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TECHNICAL TRAINING
LM6000
Basic Training
Industrial Gas Turbine
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15!"1# LM$!!! %asi& Training #
MTU Maintenance Berlin-Brandenburg
#15!"1# LM6000 Basic Training
For Training purpose only
An MTU Aero Engines Company
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystemb 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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abs Absolute
A Alternating Current
AGB A&&essory Gearbo6
AL) A,t Loo7ing 0or'ard
am% Ampere
Assy Assembly
b %ar
B beta/ 2ariable tator (osition
b"% %ra7e Horsepo'er
Blis %lade8-is& Combination
Btu %ritis+ T+ermal Unit
-egrees Centigrade )Celsius*
cc Cubi& Centimeter
Counter&lo&7'ise
3( Compressor -is&+arge (ressure
)) Compressor 0ront 0rame
1 A%%RE2IATI9N AN- ACR9N:M 185
G Center o, Gra.ity
cm Centimeter
cm4 ;uare Centimeter
cm5 Cubi& Centimeters
) Compressor Rear 0rame
)7 Compressor Rear 0rame 0lange A&&elerometer
Clo&7'ise
3 -ire&t Current
3ia -iameter
3im -imension
3L8 -ry Lo' Emission
-d(9:dt Negati.e Rate o, C+ange o, -is&+argeCompressor tati& (ressure
8U Ele&troni& Control Unit
8LB; Lean %lo'<9ut
8MU Engine Maintenan&e Unit
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) -egrees 0a+ren+eit
)! 0ull Indi&ator Reading
)M( 0uel Mani,old (ressure
);3 0oreign 9b=e&t -amage
&t 0oot or 0eet
&t4 ;uare 0oot or 0eet
)3 0or'ard
g Gram
gal Gallon
G8< GEAE (ubli&ation Identi,i&ation Number
GG Gas Generator
GT Gas Turbine
=g Mer&ury
=ori> Hori>ontal
"% Horsepo'er
=( Hig+ (ressure
=( Hig+ (ressure Compressor
=( Hig+ (ressure Compressor Rotor
1 A%%RE2IATI9N AN- ACR9N:M #85
=(9 Hig+ (ressure Compressor tator
=(T Hig+ (ressure Turbine
=(T Hig+ (ressure Turbine Rotor
"r Hour
=> Hert>
!3 Inside -iameter
!GB Inlet Gearbo6
!G=( Isentropi& Gas Horsepo'er
!G< Isentropi& Gas ?ilo'att
!G7 Inlet Guide 2ane
in In&+
in4 ;uare In&+
in5 Cubi& in&+
!(B Illustrated (arts %rea7do'n
? @oules
g 7ilogram
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An MTU Aero Engines Company
cal ?ilo&alorie
g cm ?ilogram<&entimeter
g m ?ilogram<meter
? ?ilo=oules
(a ?ilopas&al
?ilo'att
l Liter
lb (ound
lb:&t4 (ound per ;uare 0oot
l:min Liters per Minute
l:sec Liters per e&ond
L73T Linear<2ariable -i,,erential Trans,ormer
L( Lo' (resure Compressor
L(T Lo' (ressure Turbine
m Meter
m5 Cubi& Meter
mA Milliampere
Ma+ Ma6imum
Min Minimum
1 A%%RE2IATI9N AN- ACR9N:M 485
mm Millimeter
M Mega'atts
@ Ne'ton
@m Ne'ton<meter
@o Number
@GG Gas Generator peed
@;+ 96ides o, Nitrogen
@(T (o'er Turbine peed
;AT 9utside Air Temperature
;3 9utside -iameter
;G7 9utlet Guide 2ane
o> 9un&e
(a (as&al
(amb Ambient (ressure
(B (rinted Cir&uit %oard
( (ubli&ations C+ange Re;uest
(@ (art Number
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%%m (arts per Million
(rc% Hig+ (ressure Re&oup (ressure
(9 Hig+ (ressure Compressor -is&+arge tati&(ressure
(T (o'er Turbine
(T#. L( Turbine Inlet Total (ressure
(0 Gas Turbine Inlet (ressure
(2 Compressor Inlet Total (ressure
,t Buart
r%m Re.olutions per Minute
T3 Resistan&e Temperature -ete&tor
sec e&ond9G pe&i,i& Gra.ity
s"% +a,t Horsepo'er
9! Metri& ystem
9:; +uto,,
1 A%%RE2IATI9N AN- ACR9N:M 85
9tandard atm
Atmos%"ere
9ur& ur,a&e
9( ubordinate 3or7 (a&7age
Tamb Ambient Temperature
TA@ Total A&id Number
TB( To %e (ro.ided
T: T+ermo&ouple
Tem% Temperature
TGB Trans,er Gearbo6
t"eta 2 Ratio o, Measured Absolute Gas Turbine Inlet
Absolute Temperature to
tandard -ay Absolute Temperature
TM) Turbine Mid 0rame
T) Turbine Rear 0rame A&&elerometer
T)7 Turbine Rear 0rame 0lange A&&elerometer
T2 Compressor Inlet Total Temperature
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T Compressor -is&+arge Temperature
T#. L( Turbine Inlet Temperature
U7 Ultra 2iolet
v 2olt
vac 2olts/ Alternating Current
7G 2ariable<Geometry
797 2ariable tator 2anes
( 3or7 (a&7age
1 A%%RE2IATI9N AN- ACR9N:M 585
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15!"1# LM$!!! %asi& Training
MTU Maintenance Berlin-Brandenburg
15!"1# LM6000 Basic Training
For Training purpose only
An MTU Aero Engines Company
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystemb 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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AL) versus )LA
All re,eren&es to lo&ation or position on
t+e LM$!!! are based on t+e
assumption t+at t+e indi.idual is
standing be+ind t+e engine and
loo7ing ,or'ard T+is is true in all
&ases unless stated ot+er'ise
Unless ot+er 'ise stated/ all .ie's in
t+is training manual are ,rom t+e le,t
side o, t+e engine/ 'it+ t+e inta7e on
t+e obser.ers le,t and t+e e6+aust on
t+e rig+t
# GA TUR%INE %AIC
3irection o& vie*
A)T L;;<!@G );A3
);A3 L;;<!@G A)T
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# GA TUR%INE %AIC
T"e cloc %ositions
12C00
oDcloc
06C00
oDcloc
0EC00
oDcloc
0C00
oDcloc
A0T L99?ING )9R3AR-
Clo&7 positions are t+e positions o,t+e numbers o, a &lo&7 ,a&e/ as seen
,rom a,t loo7ing ,or'ardD
1#D!! o&lo&7 is at t+e top
!4D!! o&lo&7 is on t+e rig+t side
!$D!! o&lo&7 is at t+e bottom
!D!! o&lo&7 is on t+e le,t side
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LM6000
=istory o& develo%ment
Industrial Gas Turbine
# GA TUR%INE %AIC
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15!"1# LM$!!! %asi& Training 1
MTU Maintenance Berlin-Brandenburg
115!"1# LM6000 Basic Training
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TF39
LM2500 LM6000LM5000
CF6-6 CF6-50
CF6-80
# GA TUR%INE %AIC
=istory o& develo%ment
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15!"1# LM$!!! %asi& Training 15
MTU Maintenance Berlin-Brandenburg
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# GA TUR%INE %AIC
=istory o& develo%ment
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MTU Maintenance Berlin-Brandenburg
1$15!"1# LM6000 Basic Training
For Training purpose only
An MTU Aero Engines Company
# GA TUR%INE %AIC
=istory o& develo%ment
T+e LM$!!! industrial gas
turbine/ '+i&+ deri.es ,romGeneral Ele&tri&s C0$<"!
air&ra,t engine/ is used in
.ariety o, po'er generation
appli&ations
MTU +as been pro.iding
maintenan&e ser.i&es ,or
t+is type o, gas turbine
sin&e 1$
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An MTU Aero Engines Company
# GA TUR%INE %AIC
=istory o& develo%ment
Introdu&edD 1"5
Units in ser.i&eD 4/5!!
9perating +oursD 141/!!!/!!!
Introdu&edD @une 1!
Units in ser.i&eD #5
9perating +oursD 1/5$!/!!!
ReliabilityD # J
A.alabilityD J
)6-02
LM6000
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# GA TUR%INE %AIC
Gas Turbine 9tations
0
0
1
1 #.
2
2 2.'
E
E
!nlet
)ilters
8
+"aust
3uct
8
+"aust
3
i&&user
!nlet3uct
#
#
'
'
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# GA TUR%INE %AIC
Gas Turbine 9tationsK 1( 2IG2 Inlet
K # L(C Inlet
K #4 L(C 9utlet
K # L(C %ypass %leed
K #5 H(C Inlet
K #$ H(C t+ tage
K # H(C "t+ tage
K #" H(C 11t+ tage
K 4 H( C-( )Compressor -i,,user E6it*
K 4$ 0uel No>>le )0uel 0lo' and team*
K H(T 1st tage No>>le Inlet
K 1 H(T Rotor Inlet
K # H(T Rotor E6it
K " L(T Inlet
K 5 L(T E6it
K 55 L(T Rear 0rame trut Inlet
K 5$ L(T Rear 0rame trut E6it8-i,,user
Inlet
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# GA TUR%INE %AIC
Basic 8ngine and 9ystems
(o*er ycle
A! !@TA<8 ;M(899!;@ ;MBU9T!;@ 8F(A@9!;@ 8F=AU9T
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15!"1# LM$!!! %asi& Training #1
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An MTU Aero Engines Company
# GA TUR%INE %AIC
Basic 8ngine 9ystems
8nclosure:8nvironment
Ancillaries
•(o*er 3istribution•9ignal 3istribution•3rainage•Lig"ting•ater as"•Bleed Air
9ystems Monitors
•8ngine•8nvironment•)uel 9ystem•Lube 9ystem
9tarting
!gnition
Air
)uel Lubrication
8nvironmental ontrols
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Gas Turbine (acage
# GA TUR%INE %AIC
A6ial 0lo' Inlet < Con,iguration #
K T+e air inlet system s+ould be
designed 'it+ a minimum
number o, bends and
obstru&tions T+e inlet plenum in
,ront o, t+e gas turbine s+ould
be designed so t+at t+e inlet air
enters as parallel to t+e gas
turbine &enterline as possible
F T i i l
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Gas Turbine (acage
# GA TUR%INE %AIC
e.eral items must be &onsidered in t+e design o, an air inlet system ,or t+e LM$!!! gas turbine
A su&&ess,ul design 'illD
K Minimi>e inlet pressure loss be&ause o, t+e e,,e&t on gas turbine per,orman&e
K Minimi>e pressure gradients and s'irl at t+e ,a&e o, t+e .ariable inlet guide .ane )2IG2* and lo' pressure
&ompressor )L(C* to redu&e distortion and t+e ris7 o, aero<me&+ani&al e6&itation o, &ompressor ,lo'pat+
&omponents
K In&orporate an inlet s&reen a+ead o, t+e 2IG2 and L(C to prote&t t+e &ompressor ,lo'pat+ &omponents
,rom ,oreign ob=e&t ingestion T+e design o, t+e inlet s&reen is &riti&al and must &onsider air,lo' pressureloss/ s&reen me&+ani&al integrity/ and aero<me&+ani&al e6&itation o, &ompressor ,lo'pat+ &omponents due
to air ,lo' distortion ,rom s&reen stru&ture
K Utili>e ;uality inlet &omponents so as not to generate ,oreign ob=e&ts '+i&+ may be ingested by t+e
&ompressor and result in se.ere damage to ,lo'pat+ &omponents
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F T i i l
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Gas Turbine (acage
# GA TUR%INE %AIC
8+"aust 3i&&user
GT Mounts
!nlet 3uct
)uel 9ystem
Lube ;il 9ystem
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15!"1# LM$!!! %asi& Training #
MTU Maintenance Berlin-Brandenburg
#15!"1# LM6000 Basic Training
For Training purpose only
An MTU Aero Engines Company
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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4#15!"1# LM6000 Basic Training
For Training purpose only
An MTU Aero Engines Company
4 INTR9-UCTI9N T9 THE LM$!!!
K T'o +a,t Rotor ystem
K H(T dri.es H(C
K L(T dri.es L(C and load )&old or +ot end dri.e*
K No separate (o'er Turbine ne&essary
General 3escri%tion
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15!"1# LM$!!! %asi& Training 4
MTU Maintenance Berlin-Brandenburg
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For Training purpose only
An MTU Aero Engines Company
4 INTR9-UCTI9N T9 THE LM$!!!
K T+e LM$!!! Gas Turbine is a t'o s+a,t ma&+ine &apable o, dri.ing a load ,rom
eit+er t+e ,ront or rear o, t+e lo' pressure rotor )L(R*
K T+e dual<rotor gas turbine &onsists o, a .ariable inlet guide .ane )2IG2* or inlet
,rame assembly/ a 5<stage lo' pressure &ompressor )L(C*/ a 1<stage +ig+
pressure &ompressor )H(C*/ eit+er a single annular &ombustor )AC* or a dry lo'
emission &ombustor )-LE*/ a #<stage +ig+ pressure turbine )H(T*/ a 5<stage lo'
pressure turbine )L(T*/ a trans,er gearbo6 )TG%*8 a&&essory gearbo6 assembly
)AG%*/ and a&&essories/ su&+ as oil pumps/ starter motor et&
K T+e engine &ompresses t+e air to a ratio o, appro6imately 4!D1 relati.e to ambient
General 3escri%tion
For Training purpose only
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15!"1# LM$!!! %asi& Training 45
MTU Maintenance Berlin-Brandenburg
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4 INTR9-UCTI9N T9 THE LM$!!!
General 3escri%tion
For Training purpose only
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15!"1# LM$!!! %asi& Training 4$
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4 INTR9-UCTI9N T9 THE LM$!!!
General 3escri%tion
For Training purpose only
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15!"1# LM$!!! %asi& Training 4
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4 INTR9-UCTI9N T9 THE LM$!!!
General 3escri%tion
For Training purpose only
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MTU Maintenance Berlin-Brandenburg
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g p p y
An MTU Aero Engines Company
4 INTR9-UCTI9N T9 THE LM$!!!
Combustion System ALL SAC DLE
Tota En!ines 939 718 220
Tota "#e$atin!Hou$s
%9&562&93% 14,674,589 4,888,342
Hi!' Time En!ine %%3&(25 113,725 107,735
En!ines )n Se$*i+e 925 705 220
Tota "#e$atin!En!ines
(02 560 142
General 3escri%tion
status WTUI 2010
49,719
86,303
70,078
78,877
102,829
101,335
21,110
79,149
34,906
107,735
Hi!' TimeEn!ine H$s
CombustionSystem
Mo,e FEL System.o/ o nits"#e$atin!
Cumuati*eHou$s
DLE LM6000 PB Gas 13 817,544
LM6000 PD Dual 5 121,246
Gas 118 3,044,291
LM6000 PF Gas 6 33,198
SAC LM6000 PA Dual 43 2,157,048
Gas 36 2,284,544
Liquid 15 395,319
LM6000 PC Dual 135 1,941,097
Gas 309 4,772,313
Liquid 20 260,245
For Training purpose only
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15!"1# LM$!!! %asi& Training 4
MTU Maintenance Berlin-Brandenburg
415!"1# LM6000 Basic Training
g p p y
An MTU Aero Engines Company
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
For Training purpose only
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15!"1# LM$!!! %asi& Training !
MTU Maintenance Berlin-Brandenburg
!15!"1# LM6000 Basic Training
g p p y
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
For Training purpose only
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15!"1# LM$!!! %asi& Training 1
MTU Maintenance Berlin-Brandenburg
115!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Modules overvie*
For Training purpose only
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15!"1# LM$!!! %asi& Training #
MTU Maintenance Berlin-Brandenburg
#15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Modules overvie*
For Training purpose only
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15!"1# LM$!!! %asi& Training 4
MTU Maintenance Berlin-Brandenburg
415!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 5
MTU Maintenance Berlin-Brandenburg
515!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Lo* (ressure om%ressor L(/
General
T+e L(C module &onsists o, t+e )2*IG2/ L(C
stator and L(C rotor assemblies
T+e L(C is a 5<stage a6ial ,lo' &ompressor
based on t+e LM5!!! L(C '+i&+ 'as deri.ed
,rom t+e C0$<5! booster
T+e design is pro.en 'it+ demonstrated +ig+
reliability in industrial operation on t+e LM5!!!
gas turbine and +as been ,urt+er adapted ,or use
on t+e LM$!!!
To optimi>e t+e GT air inlet ,lo' a )2*IG2 module
'as added to t+e LM$!!! L(C
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15!"1# LM$!!! %asi& Training $
MTU Maintenance Berlin-Brandenburg
$15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Lo* (ressure om%ressor L(/
General contDd/
T+e L( rotor s+a,t )Mid +a,t* is bolted to t+e L(
,or'ard s+a,t and to t+e stage ! and 1 dis7s
T+e s+a,t trans,ers tor;ue ,rom t+e L(T to t+e
L(C rotor and to t+e e6ternal dri.en load
T+e &urrent model o, t+e LM$!!! employs
redesigned stator .anes and a ne' s+a,t
materialIt also employs a modi,ied L(C &ase in&luding
stator stages ! to 4 .anes and eliminating t+e
separate stg4 stator &ase as used at t+e
initial LM$!!! &on,iguration
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15!"1# LM$!!! %asi& Training "
MTU Maintenance Berlin-Brandenburg
"15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
7ariable !nlet Guide 7anes 7!G7/
K t+e 2IG2 &onsist o, 4 stationary
leading edge .anes and .ariable
trailing ,laps
K IG2 ,laps are positioned by t+e HCU
as a ,un&tion o, (4
K t+e IG2s are dri.en by t'in
+ydrauli& a&tuators at t+e 4D!! andD!! o&lo&7 positions
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15!"1# LM$!!! %asi& Training
MTU Maintenance Berlin-Brandenburg
15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
General
T+e L(C rotor is an ,i.e stage/ ,i6ed .ane/
a6ial ,lo' &ompressor T+e assembly
&onsists o, t+e stage ! dis7/ L( s+a,t/ stage
1 dis7/ stage #< spool/ stage !< blades/
,or'ard s+a,t/ blade retainer/ ,or'ard dri.e
adapter and No 1 bearing
L( otor
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15!"1# LM$!!! %asi& Training 51
MTU Maintenance Berlin-Brandenburg
5115!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
9tage 2-# s%ool
T+e stage #< spool is ma&+ined ,rom titanium 'it+ &ir&um,erential do.etail slots T+e spool
retains stages # t+roug+ blades )$ blades in ea&+ stage* lo&7ing lugs and balan&e'eig+ts Rotating air seal serrations are ma&+ined bet'een stages on t+e outside diameter
o, t+e spool T+e spool ,or'ard ,lange mates 'it+ t+e supporting stage 1 dis7
)or*ard s"a&t
T+e ,or'ard s+a,t is bolted to t+e L( ,or'ard s+a,t )Mid +a,t* and t+e stage ! and 1 dis7 T+e
s+a,t trans,ers tor;ue ,rom t+e L(T to t+e L(C rotor
Blade retainer
T+e blade retainer is bolted to t+e stage ! dis7 and ser.es as a retainer ,or t+e stage ! blades
L( otor
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15!"1# LM$!!! %asi& Training 5#
MTU Maintenance Berlin-Brandenburg
5#15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
)or*ard drive ada%ter
T+e ,or'ard dri.e adapter bolts to t+e ,or'ard
s+a,t and transmits tor;ue to t+e &ustomerinter,a&e
L( rotor blades
tage ! and 1 rotor blades are made o, A#"$
steel and stage #< are titanium T+e stage 1<
blades are retained in t+e &ir&um,erential
do.etails slots se&ured by lo&7ing lugs tage !
blades are retained in a6ial do.etails slots
se&ured by a blade retainer
L( otor
L(C tg ! %lades and 0or'ard -ri.e Adapter
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15!"1# LM$!!! %asi& Training 54
MTU Maintenance Berlin-Brandenburg
5415!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
L( 9tator
Design
T+e ,i.e<stage L(C stator assembly
&onsists o, t+e ,ollo'ing ma=or&omponentsD
K stage !<# upper and lo'er &ases )initial*
K stage 4 &ase )initial*
K stage !<4 upper and lo'er &ases )&urrent*
K stage !/ 1/ # and 4 s+roud assemblies
K stage support assembly
K stage ! t+roug+ .anes
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15!"1# LM$!!! %asi& Training 5$
MTU Maintenance Berlin-Brandenburg
5$15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
L( Mids"a&t
Mids+a,t
T+e mids+a,t transmits t+e Lo' (ressure
Turbine tor;ue and po'er to t+e L(C Rotor and.ia t+e L(C Rotor to t+e dri.en e;uipment
&onne&ted to t+e ,or'ard dri.e
T+e mids+a,t &lears t+e &omplete &ore engine
&on&entri&al 'it+out any intermediate bearings
T+e mids+a,t assembly &onsists o, # main parts/
t+e ,or'ard s+a,t and t+e mid s+a,t '+i&+ are
&onne&ted .ia splines se&ured by a lo&7 nut
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15!"1# LM$!!! %asi& Training 5"
MTU Maintenance Berlin-Brandenburg
5"15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
For Training purpose only
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15!"1# LM$!!! %asi& Training 5
MTU Maintenance Berlin-Brandenburg
515!"1# LM6000 Basic Training
An MTU Aero Engines Company
=ig" (ressure om%ressor =(/
Ma=or &omponents o, t+e LM$!!!
For Training purpose only
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15!"1# LM$!!! %asi& Training $!
MTU Maintenance Berlin-Brandenburg
$!15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
=ig" (ressure om%ressor =(/
T+e H(C is a single spool/ 1<stage .ariable
stator design/ a6ial ,lo' &ompressor It
in&orporates .ariable stator .anes )22* in
stages IG2 and 1 t+roug+ 5 to pro.ide stall<,ree
operation and +ig+ e,,i&ien&y t+roug+out t+e
starting and operating range
T+e &ompressor pro.ides se.eral bleed ports ,or
t+e GTs parasiti& air,lo' )&ooling/ sump
pressuri>ation* and optional &ustomer usage
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15!"1# LM$!!! %asi& Training $1
MTU Maintenance Berlin-Brandenburg
$115!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
=( otor
T+e H(CR is a bolted assembly o, ,i.e
ma=or stru&tural elements &onsisting o,D
K stage 1 dis7
K stage # dis7 'it+ integral ,or'ard s+a,t
K stage 4< spool
K stage 1! dis7
K 11<1 spool 'it+ integral rear s+a,t
H(C Rotor
For Training purpose only
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15!"1# LM$!!! %asi& Training $#
MTU Maintenance Berlin-Brandenburg
$#15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
=( otor contDd/
tages 1 and # blades are indi.idually
retained in a6ial do.etail slots using blade
retainers to 7eep t+e blades in pla&e
tage 1 blades are s+rouded at mid<span
,or t+e purpose o, redu&ing .ibratory
stress
All ot+er blades are &antile.ered ,rom t+e
rotor stru&ture
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15!"1# LM$!!! %asi& Training $4
MTU Maintenance Berlin-Brandenburg
$415!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
=( otor contDd/
T+e blades o, stages 4 to 1 are
+eld in &ir&um,erential do.etail
slots
T+ese ,eatures allo' indi.idual
blade repla&ement 'it+out
disassembly o, t+e rotor
For Training purpose only
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15!"1# LM$!!! %asi& Training $
MTU Maintenance Berlin-Brandenburg
$15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
=( 9tator
T+e H(C stator &onsists o, a &ast stator &ase t+at
&ontains t+e &ompressor stator .anesT+e inlet guide .anes and t+e stages 1 t+roug+ 5
.anes &an be rotated about t+e a6is o, t+eir mounting
trunnions to .ary t+e pit&+ o, t+e air,oils in t+e
&ompressor ,lo' pat+
2ane air,oils in t+e remaining stages are stationary
All ,i6ed and .ariable .anes are non<inter&+angeable
'it+ ot+er stages to pre.ent in&orre&t assembly T+e
&asing is split along t+e +ori>ontal split<line ,or ease o,
assembly and maintenan&e
H(C tator
For Training purpose only
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15!"1# LM$!!! %asi& Training $5
MTU Maintenance Berlin-Brandenburg
$515!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
=( 9tator
T+e H(C stator &asing +al.es are a mat&+ed
set/ ma&+ined ,rom ,orged material
Tren&+es ,or &ompressor rotor blades are
ma&+ined into t+e inner sur,a&e at stages 4<
1 T+ese tren&+es eliminate t+e need ,or rub
&oatings and pro.ide &learan&e ,or tip
e6&ursions during transients
T+e H(C &ases pro.ide +oles ,or bleed air
e6tra&tion at stages )only initial .ersions*/ "
and 11 )all .ersions*
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15!"1# LM$!!! %asi& Training $$
MTU Maintenance Berlin-Brandenburg
$$15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
7ariable 9tator 7anes 797/
K # le.er arms per engine
K A&tuation rings &onne&ted at 4 and
oO&lo&7
K IG2Os and 22Ps stages 1<5 are
installed to t+e &ompressor stator
&ases by assembly o, bus+ings/
spa&ers and le.er arms '+i&+ permits
t+e .anes to be rotated on t+e
longitudinal a6is
For Training purpose only
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15!"1# LM$!!! %asi& Training $
MTU Maintenance Berlin-Brandenburg
$15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
7ariable 9tator 7anes 797/
T+e H(C 2ariable tator 2anes
)22* tages IG2/ 1 and # +a.e
got Lo' %oss a&tuation bus+ings
as o, air&ra,t engine design
T+e long IG2/ stg 1 Q # .anes are
additionally supported by inner
s+rouds
T+e 22 stages 4 to 5 +a.e got
industrial design Hig+ %ossstainless steel te,lon<bonded pi.ot
bus+ings to pro.ide a longer
ser.i&e li,e
For Training purpose only
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15!"1# LM$!!! %asi& Training $"
MTU Maintenance Berlin-Brandenburg
$"15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Murp+y<proo, &ir&um,erential do.etail
slots are ma&+ined into t+e &ase ,orstage $<1#
tage 14 .anes are assembled to
insulated liners '+i&+ are bolted to t+e
&ases
Re&tangular 7eys sta7ed into groo.es
o, upper &ase +ori>ontal ,lange pre.ent
.anes $<1# ,rom migrating in t+e
do.etail slots )ant rotation*
)i+ed 9tator 7anes
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15!"1# LM$!!! %asi& Training !
MTU Maintenance Berlin-Brandenburg
!15!"1# LM6000 Basic Training
An MTU Aero Engines Company
ombustor
Ma=or &omponents o, t+e LM$!!!
For Training purpose only
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15!"1# LM$!!! %asi& Training 1
MTU Maintenance Berlin-Brandenburg
115!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
T+e AC &ombustor is ,urnis+ed 'it+ 4! e6ternally
mounted ,uel no>>les ,or li;uid distillate ,uel/ natural
gas ,uel or dual ,uel 0uel systems may also be
e;uipped ,or 'ater or steam in=e&tion ,or N9
suppression
?ey ,eatures o, t+e single annular &ombustor are t+e
rolled<ring inner and outer liners/ t+e lo'<smo7e<
emission s'irl<&up dome design/ and s+ort burning
lengt+T+e s'irl<&up design ser.es to lean<out t+e ,uel8air
mi6ture in t+e primary >one o, t+e &ombustor T+is
eliminates t+e ,ormation o, t+e +ig+<&arbon .isible
smo7e t+at &an result ,rom o.er<ri&+ burning in t+is
>one
9ingle Annular ombustor 9A/
C9M%UT9R )AC*
For Training purpose only
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15!"1# LM$!!! %asi& Training #
MTU Maintenance Berlin-Brandenburg
#15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
C9M%UT9R )AC*
T+e AC &ombustor &onsists o, a dome
assembly and t+e outer and inner liners
T+e dome and its s'irlers pro.ide mi6ing o,,uel and air and ,lame stabili>ation
T+e &ombustor liners are a series o,
o.erlapping rings =oined by 'elded and bra>ed
=oints T+ey are prote&ted ,rom t+e +ig+
&ombustion +eat by &ir&um,erential ,ilm
&ooling (rimary &ombustion and &ooling airenters t+roug+ &losely spa&ed +oles in ea&+
ring T+ese +oles +elp to &enter t+e ,lame/ and
admit t+e balan&e o, &ombustion air
9ingle Annular ombustor 9A/
For Training purpose only
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15!"1# LM$!!! %asi& Training 4
MTU Maintenance Berlin-Brandenburg
415!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
T+e triple annular &on,iguration enables t+e
&ombustor to operate in a uni,ormly mi6ed lean ,uel
air ratio )premi6ed mode* a&ross t+e entire po'er
range/ minimi>ing emissions
T+e +ead end or dome o, t+e &ombustor supports
5 segmented +eat s+ields t+at ,orm t+e t+ree
annular burning >ones in t+e &ombustor/ 7no'n as
t+e outer or A<dome/ t+e pilot or %<dome/ and t+e
inner or C<dome
Gas ,uel is introdu&ed into t+e &ombustor .ia 5
air8gas premi6ers pa&7aged in 4! e6ternally
remo.able and repla&eable modules Hal, o, t+ese
modules +a.e t'o premi6ers and t+e ot+er +al,
+a.e t+ree
3ry Lo* 8missions ombustor 3L8/
C9M%UT9R )-LE*
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MTU M i t B li B d b
For Training purpose only
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15!"1# LM$!!! %asi& Training 5
MTU Maintenance Berlin-Brandenburg
515!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
LM6000 (3C+anges in t+e -LE
&ombustor design pro.ide
in&reased air,lo' ,or ,uel
premi6ing to operate 'it+
lo'er ,lame temperature and
generate lo'er emissions
)N9*D
K 'ingless &enter +eat s+ields
K s+ort 'ing inner and outer+eat s+ields
K modi,ied premi6ers to
optimi>e ,uel to air ratio
LM6000 ()
3ry Lo* 8missions ombustor 3L8/
MTU M i t B li B d b
For Training purpose only
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15!"1# LM$!!! %asi& Training $
MTU Maintenance Berlin-Brandenburg
$15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
MTU M i t B li B d b
For Training purpose only
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15!"1# LM$!!! %asi& Training
MTU Maintenance Berlin-Brandenburg
15!"1# LM6000 Basic Training
An MTU Aero Engines Company
=ig" (ressure Turbine =(T/
Ma=or &omponents o, t+e LM$!!!
MTU Maintenance Berlin Brandenburg
For Training purpose only
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15!"1# LM$!!! %asi& Training "
MTU Maintenance Berlin-Brandenburg
"15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
=ig" (ressure Turbine =(T/
T+e LM$!!! H(T is an air<&ooled/ t'o stage
design 'it+ +ig+ e,,i&ien&y T+e H(T system
&onsists o, t+e H(T rotor and t+e stage 1 and
stage # H(T no>>le assemblies
T+e turbine rotor e6tra&ts energy ,rom t+e gas
stream to dri.e t+e H(C rotor to '+i&+ it is
me&+ani&ally &oupled
T+e turbine no>>les dire&t t+e +ot gas ,lo' onto t+erotor blades at t+e optimum angle and .elo&ity
H(T Module
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15!"1# LM$!!! %asi& Training "1
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An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
H(T %lade tg 1
H(T %lade tg 1 &ooling
=(T otor 9tage 1 Blades
T+e stage 1 blades are &ooled by
&ompressor dis&+arge air dire&ted
t+roug+ t+e blade do.etails
tg 1 blade &ooling is a &ombination o,D
K internal &on.e&tion o, t+e mid&+ord
region t+roug+ serpentine passages and
o, t+e trailing edge by air ,lo'ing o.er
pinned ,ins and t+roug+ trailing edge
e6it +oles
K internal impingement o, &ooling airagainst t+e inside sur,a&e o, t+e leading
edge
K e6ternal ,ilm &ooling by air dire&ted
t+roug+ air,oil +oles
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15!"1# LM$!!! %asi& Training "4
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Ma=or &omponents o, t+e LM$!!!
=(T @o>>le 9tage 1
T+e stage 1 H(T no>>le &onsists o, #4 t'o<
.ane segments bolted to a no>>le supportatta&+ed to t+e +ub o, t+e CR0
T+e stage 1 H(T no>>le assembly
a&&elerates and dire&ts t+e ,or&e o, +ot/
+ig+<.elo&ity/ +ig+ pressure gases
dis&+arging ,rom t+e &ombustor onto t+e
stage 1 H(T rotor blades to &ause rotation
H(T TG 1 N9LE AEM%L:
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15!"1# LM$!!! %asi& Training "5
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Ma=or &omponents o, t+e LM$!!!
T+e stage # H(T no>>le assembly &onsists o,
# t'o<.ane no>>le segments/ stages 1 and #
H(T s+rouds and s+roud supports/ H(T stator
support )&ase*/ and interstage seals
T+e stage # no>>les are supported by t+e
stage 1 s+roud support T+ey are also bolted
to t+e stage # s+roud support ,or'ard leg/
'+i&+ is atta&+ed/ by a ,lange/ to t+e outerstru&tural 'all T+e stage 1 s+roud system
,eatures segmented supports and s+roud
segments to maintain turbine &learan&e
H(T TG # N9LE
=(T @o>>le 9tage 2
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15!"1# LM$!!! %asi& Training "$
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Ma=or &omponents o, t+e LM$!!!
+eet metal air seals are inserted to slots &ast
in t+e no>>le inner and outer plat,orms to seal
t+e ,lo'pat+ to minimi>e bet'een .ane
lea7age
T+e no>>le .anes are &ooled by internal
impingement air ta7en ,rom t+e H(C 11t+
stage '+i&+ enters t+roug+ bosses in t+e outer
ends o, t+e .anes A portion o, t+e air isdis&+arged t+roug+ ports in t+e inner end o,
t+e .anes ,or interstage seal &a.ity
H(T TG # N9LE C99LING
=(T @o>>le 9tage 2
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15!"1# LM$!!! %asi& Training "
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Ma=or &omponents o, t+e LM$!!!
tage 1 or C-( air,lo' &ir&ulates
a&ross t+e stage 1 s+roud support
,rom ,ront to rear t+roug+ o.ersi>e bolt
+oles and &+annels in t+e ,langes
tage 11 air ,lo' &ir&ulates a&ross t+e
stage # s+roud support in t+e same
manner as t+e stage 1 s+roud support/
t+us &ooling t+e ,langes/ .ane support
&omponents/ stage 1 and # s+rouds/
and t+e stage # .ane segments and
interstage sealH(T TG # N9LE C99LING
=(T @o>>le 9tage 2
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15!"1# LM$!!! %asi& Training ""
U a te a ce e a de bu g
""15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 1
g
115!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
L(T (:(3 u%grade/
To in&rease long term reliability and
po'er output a ne' L(T module 'as
introdu&ed 'it+ LM$!!! .ersions (C
and (-
T+is upgrade<L(T in&ludes mainly ne'
stage 4<5 %lades/ <5 .anes and dis7s
as 'ell as a ne' stator &ase and TR0
T+e L(T outlet diameter +as been
in&reased to pre.ent gas,lo' &ausedstage 5 blade ,ailures at +ig+ po'er
operation
T+e upgrade also in&ludes a ne'
Mids+a,t to meet t+e +ig+er tor;ue
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15!"1# LM$!!! %asi& Training #
g
#15!"1# LM6000 Basic Training
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Ma=or &omponents o, t+e LM$!!!
L(T otor
T+e L(T rotor assembly dri.es t+e L(C
and t+e load eit+er t+roug+ Mids+a,t and
0or'ard -ri.e Adapter )Cold End -ri.e* or
dire&tly t+roug+ t+e Rear -ri.e Adapter
)Hot End -ri.e*
T+e L(T rotor assembly is made o, ,i.e
stages o, bladed dis7s and a s+a,tsubassembly
T+e rotor is supported by t+e No$R and
No R bearings in t+e -< and E<sump o,
t+e TR0
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15!"1# LM$!!! %asi& Training 4415!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
L(T otor
All ,i.e stages L(T blades are &ast 'it+ an
interlo&7 tip s+roud
T+ese tip s+rouds pre.ent t+e blades ,rom
t'isting and by t+e +ot gas stream
All blades are indi.idually retained in pla&e
by s+eet metal &lips '+i&+ are bent up'ard
a,ter blade installation
T+e long stage and 5 blades o, t+e older
L(T .ersions )LM$!!! (A and (%* +a.e
anti<.ibration pins installed to pro.ide
additional stru&tural support
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15!"1# LM$!!! %asi& Training 15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
T+e L(T stator assembly &onsists o, a
one<pie&e tapered &asing/ ,i.e stages o,
interlo&7ing tip s+rouds/ a turbine &ase
&ooling mani,old/ air<&ooled ,irst stage
no>>le segments 'it+ a pressure
balan&e seal/ and ,our additional stages
o, no>>le segments 'it+ interstage
seals
T+e +oney&omb tip s+rouds and
interstage seals minimi>e t+e air
lea7ages bet'een stator and rotor
All stages &ontain 14 to # no>>le
segments 'it+ $ .anes ea&+
L(T 9tator
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15!"1# LM$!!! %asi& Training 5515!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
T+e L(T stage 1 no>>le segments are air
&ooled
T+e leading edges are &ooled by eit+er
H(C stg bleed air )(A Q (% models* or
stg " bleed air )all later models*
T+e trailing edges are &ooled by H(
Re&oup air
All &ooling air is piped .ia e6ternal
mani,olds into t+e L(T stg 1 no>>les
L(T tages #<5 no>>les do not +a.e
additional &ooling
L(T 9tator
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15!"1# LM$!!! %asi& Training $$15!"1# LM6000 Basic Training
An MTU Aero Engines Company
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%/ TG%/ IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Accessory 3rive 9ystem
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15!"1# LM$!!! %asi& Training ""15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Accessory 3rive 9ystem
T+e a&&essories mounted to t+e A&&essory
Gearbo6 )AG%* are dri.en ,rom t+e +ig+
pressure rotor system by t+e Inlet Gearbo6
)IG%*/ a radial dri.e s+a,t/ and t+e Trans,er
Gearbo6 )TG%* assembly
T+e starter motor/ lube and s&a.enge pump/
2G +ydrauli& pump/ and t+e +ydrauli&
&ontrol unit are mounted and dri.en t+roug+t+e AG%
9ptionally mounted dri.en a&&essories are a
li;uid ,uel pump and8or a " gpm +ydrauli&
pump
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15!"1# LM$!!! %asi& Training 15!"1# LM6000 Basic Training
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Ma=or &omponents o, t+e LM$!!!
Trans&er Gearbo+
TGB/
T+e TG% trans,ers t+e IG% radial dri.e into
+ori>ontal dire&tion to dri.e t+e a&&essory
gearbo6 assembly
It &onsists o, a 4<pie&e &ast aluminium
&asing/ a set o, be.el gears and its
asso&iated bearings and oil =ets
t+e .erti&al be.el gear is splined to t+e radial
dri.e s+a,t/ t+e +ori>ontal one to is splined tot+e AG%s +ori>ontal dri.e s+a,t
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15!"1# LM$!!! %asi& Training 1!!1!!15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
Accessory Gearbo+
AGB/
T+e AG% pro.ides t+e dri.e inter,a&e ,or all
engine dri.en a&&essories su&+ as pumps
and &ontrol units It is also t+e starter de.i&einter,a&e to dri.e t+e GTs H( s+a,t
T+e AG% &onsists o, a 1<pie&e &ast
aluminium &asing/ aluminium adapters/ spur
gears and asso&iated bearings/ seals and oil
=ets
T+e AG% design ,eatures a plug in gear
&on&epton all a&&essory pads '+i&+ allo's
t+at an entire gear/ bearing/ seal and pad
assembly may be remo.ed and repla&ed
'it+out disassembling t+e gearbo6 module
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15!"1# LM$!!! %asi& Training 1!#1!#15!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
!nlet Gearbo+ !GB/
T+e IG% trans,ers t+e H( s+a,t dri.e ,rom
+ori>ontal to .erti&al dire&tion .ia t+e Radial
-ri.e +a,t )R-* to'ards t+e TG% 8 AG%
T+e IG% &onsists o, a &ast aluminium
&asing/ a set o, be.el gears and its
asso&iated bearings and oil =ets
T+e +ori>ontal gears+a,t is splined at t+e a,t
end to t+e integral H(C ,or'ard s+a,t stage
# dis7 T+ere is a repla&eable dri.e spline
installed to t+e H(C ,or'ard s+a,t se&ured
by a retainer
T+e .erti&al gears+a,t is splined to t+e R-
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15!"1# LM$!!! %asi& Training 1!41!415!"1# LM6000 Basic Training
An MTU Aero Engines Company
Ma=or &omponents o, t+e LM$!!!
adial 3rive 9"a&t
39/
T+e Radial -ri.e +a,t )R-* ser.es to
transmit tor;ue bet'een IG% and TG%
t+roug+ 0ront 0rame strut No
T+e R- &onsists o, # tubular steel s+a,ts/ a
+ousing and a bearing T+e # s+a,t +al.es
are &oupled 'it+ splines T+e relati.ely long
R- assembly is supported by an
intermediate ball bearing at t+e bottom end
o, t+e upper s+a,t
T+e +ousing around t+e R- is also used as
t+e A<sump lube oil s&a.enge line t+roug+
TG% and t+en ba&7 to t+e Lube and
&a.enge (ump
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15!"1# LM$!!! %asi& Training 1!51!515!"1# LM6000 Basic Training
g p y
Ma=or &omponents o, t+e LM$!!!
8ngine )rames and Air ollector
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15!"1# LM$!!! %asi& Training 1!$1!$15!"1# LM6000 Basic Training
g p y
Ma=or &omponents o, t+e LM$!!!
8ngine )rames and Air ollector
T+ree stru&tural ,rames pro.ide t+e bearing support L( and t+e H( Rotor T+e ,rame
&on,iguration pro.ides a gas turbine system 'it+ e6&ellent dynami& and me&+ani&al stability It
also &ontrols &ompressor and turbine blade and .ane tip &learan&es
Compressor 0ront
0rame < C00
Air Colle&tor < AC
Compressor Rear
0rame F CR0 )-LE*
Compressor Rear
0rame F CR0 )AC*
Turbine Rear
0rame F TR0
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15!"1# LM$!!! %asi& Training 1!1!15!"1# LM6000 Basic Training
g p y
Ma=or &omponents o, t+e LM$!!!
om%ressor )ront
)rame ))/
T+e C00 is a +ig+ strengt+ steel sand
&asting 1# e;ually spa&ed radial struts
support t+e inner +ub and t+e outer &ase)some older (A Q (% models may +a.e a $
strut &on,iguration* T+e C00 &ontains t+e A<
sump 'it+ t+e IG% and bearings No1 and #
to support t+e L(C rotor bearing No4 as t+e
H( s+a,t ,ront support
T+e GT ,ront mounts are integral to t+e C00
and t+e a6ial ,i6 points ,or t+e GT
T+e stg L(C stator &ase is part o, t+e
,rame &asting ,or added sti,,ness and L(C
&learing &ontrol
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15!"1# LM$!!! %asi& Training 1!"1!"15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
om%ressor )ront
)rame ))/
T+e C00 also &ontains 1# +ydrauli&ally
operated .ariable position bleed doors F
2ariable %leed 2al.es )2%2* F lo&ated ont+e outer &ase to dis&+arge e6&essi.e L(C
air,lo' .ia t+e air &olle&tor
T+e 2%2s are operated by $ +ydrauli&
a&tuators inter&onne&ted by an a&tuating
ring
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15!"1# LM$!!! %asi& Training 1!1!15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
Air ollector A/
T+e Air Colle&tor &olle&ts t+e bleed<o,, air
,rom t+e 1# 2%2 doors around t+e ,ront
,rame and route t+is air out o, t+e en&losure.ia a pa&7age mounted 2%2 du&t
T+e AC is mounted to t+e C00 ,ront and rear
,langes
It &ontains a&&ess panels all around to
pro.ide inspe&tion and maintenan&e a&&ess
to t+e ,ront ,rame and 2%2 &omponents
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15!"1# LM$!!! %asi& Training 11!11!15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
om%ressor ear
)rame )/
T+ere are t'o prin&ipally di,,erent CR0
&on,igurations/ one ,or AC &ombustor
models and one ,or -LE &ombustor models
T+e CR0 &onsists o, an outer &ase/ ten
struts and t+e %<C sump +ousing T+e %<C
sump &ontains bearings No R and 5R ,or
rear H( s+a,t radial support and No % ,or
H( s+a,t a6ial support T+e H(C stg 1
outlet guide .anes )9G2s*/ t+e &ombustion
&+amber and t+e H(T stage 1 no>>le are
mounted into t+e CR0 %<C sump ser.i&e
lines are &ontained in and pass t+roug+ t+e
CR0 struts
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15!"1# LM$!!! %asi& Training 11111115!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
) J 9A version
T+e AC .ersion CR0 is similar to t+e ,rame
used on t+e C0$<"!C# turbo,an engine
T+e one<pie&e outer &asing ser.es as t+estru&tural load pat+ bet'een t+e H(C &ase
and t+e H(T tage # No>>le &ase
T+e CR0 outer &ase pro.ides 1 T4
T+ermo&ouple port/ 4! 0uel No>>le ports/ #
Igniter ports/ $ &ombustor bores&ope 8 ,lame
dete&tion ports and 1 H(TN1 bores&ope
port
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15!"1# LM$!!! %asi& Training 11#11#15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
) J 3L8 version
T+e -LE .ersion CR0 +as been designed to
+ouse t+e 4 annular &ombustor and to
pro.ide t+e re;uired ports ,or (remi6ers andadditional sensors
T+e outer &asing &onsists o, t'o pie&es
)main ,rame and rear &ase* to enable
&ombustor installation
T+e CR0 outer &ase pro.ides # T4
T+ermo&ouple port/ 4! (remi6er ports/ #
Igniter ports/ # ,lame dete&tion ports/ #
a&ousti& sensor ports in t+e main ,rame and
1 H(TN1 bores&ope port in t+e rear &ase
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15!"1# LM$!!! %asi& Training 11411415!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
) J 3L8 version
T+e -LE .ersion CR0 &ase is e;uipped
'it+ +eat s+ields to minimi>e t+e
in,luen&e o, t+e en&losure .entilation&ooling e,,e&t to t+e CR0 &ase and
&ombustion &+amber
A&ousti& %a,,les are installed at t+e
(remi6er base plates at t+e ,ront part o,
t+e CR0 T+ese a&ousti& ba,,les redu&e
amplitudes o, &riti&al &ombustion
a&ousti& ,re;uen&ies
T+e installation pattern is dependent on
t+e LM$!!! -LE model
Heat +ields
LM$!!! (- LM$!!! (0
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15!"1# LM$!!! %asi& Training 111115!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
Turbine ear )rame
T)/
T+e TR0 is a one<pie&e &asting '+i&+
pro.ides t+e gas turbine e6+aust ,lo' pat+
and t+e supporting stru&ture ,or t+e -< andE<sump/ t+e L(T rotor t+rust balan&e
assembly/ t+e L(T rotor s+a,t/ and t+e a,t
dri.e adapter
1 radial struts ,un&tion as outlet guide
.anes to straig+ten t+e e6+aust air ,lo' into
t+e e6+aust di,,user ,or en+an&edper,orman&e
Lubri&ation oil supply and s&a.enge lines ,or
t+e -< and E<sumps and L(T rotor speed
sensors are routed t+roug+ t+e struts
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15!"1# LM$!!! %asi& Training 11511515!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
Turbine ear )rame
T)/
T+e TR0 -<E sump &ontains t+e bearings
No $R and R '+i&+ pro.ide L(T rotor and
rear L( s+a,t radial support
T+e TR0 also &ontains t+e stati& balan&e
piston seals '+i&+ ,orm t+e balan&e
&+amber to maintain t+e a6ial t+rust loading
o, t+e No1% bearing
T+e TR0 pro.ides 4 mounts ,or t+e # GT
rear .erti&al support lin7s and t+e anti<tor;ue
lin7
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15!"1# LM$!!! %asi& Training 11$11$15!"1# LM6000 Basic Training
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%S TG%S IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 111115!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
Bearings and 9um%s
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15!"1# LM$!!! %asi& Training 11"11"15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
All LM$!!! main bearings are eit+er roller or
ball bearings made o, M5! steel/ premium
grade
T+e roller bearings )#R/ 4R/ R/ 5R/ $R and
R* pro.ide radial rotor support T+e t'o ball
bearings pro.ide t+e a6ial t+rust load
support ,or t+e L( s+a,t )1%* and t+e H(
s+a,t )%*
T+e inner ra&es are inter,eren&e ,it to t+e
s+a,ts and se&ured ,rom &reeping by&oupling nuts
T+e outer ra&es are se&ured in pla&e by
eit+er a bolted ,lange or s;uee>ed in a
+ousing by a &oupling nut
Bearings
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15!"1# LM$!!! %asi& Training 111115!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
T+e LM$!!! roller bearings are
preloaded to pre.ent roller slip due to
too lo' tra&tion
T+is preload is a&+ie.ed by using
bilobe or trilobe bearings '+i&+
guarantee a minimum load regardless
o, t+e e6ternally applied loads
%ilobe bearings &onsist o, a a&&urately
ground pro,ile in t+e outer ra&e'ay to
gi.e a radial pin&+ at # points
Trilobe bearings are similar in &on&ept
but used i, +ig+er preloads are
re;uired T+e trilobe 4<point bearing
rings +a.e a 5<times +ig+er bending
sti,,ness .s #<point bending
Bearing %reload
N9TED
T+e inter,eren&e ,it o, t+e bilobe and trilobe bearings re;uires t+e H(T
rotor be turning during remo.al or installation to pre.ent damage o,
inner ra&e or bearing
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15!"1# LM$!!! %asi& Training 1#!1#!15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
9um% ("iloso%"y
T+e LM$!!! uses t+e dry sump system to
pro.ide lubri&ation o, t+e main bearings T+is
system in&ludes 5 subsystemsD
1 9il supply t+roug+ =ets pressuri>ed anddeli.ered by a supply pump
# 9il s&a.enge by applying su&tion to a
port in t+e lo'est point o, t+e sump by a
s&a.enge pump
4 eal pressuri>ation pro.ided by parasiti&
air bleed dire&ted to t+e sump ump .ent maintains a positi.e sump
in'ard ,lo' o, pressuri>ed air by .enting t+e
oil 'etted &a.ity out t+e top to ambient
5 eal drain &arries oil lea7ed out t+e
seals to a drainage
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15!"1# LM$!!! %asi& Training 1#11#115!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
;il 9eals
All oil seals are labyrint+ type seals
&ontaining o, a rotating and a stationary part
T+e rotating part are all o, a multiple 7ni,e
edge serration type
T+e stationary oil seals +a.e got s+roud
sur,a&es opposite to t+e 7ni,e serrations to
pro.ide a .ery small gap to let t+e
pressuri>ation air ,lo' t+roug+ to'ards t+e
sump &arrying t+e lea7ing oil ba&7 inside
T+e sump in,lo'ing pressuri>ation air isremo.ed bot+ by sump .ent system and t+e
s&a.enge oil
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15!"1# LM$!!! %asi& Training 1##1##15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
Air 9eals
All air seals are labyrint+ type seals
&ontaining o, a rotating and a stationary part
T+e rotating part are all o, a multiple 7ni,e
edge serration type
T+e stationary air seals are &ommonly
+oney&omb type -uring initial operation t+e
7ni,e serrations &ut small groo.es inside t+e
+oney&ombs &reating a labyrint+ air ,lo'
passage T+is labyrint+ 'or7s li7e an ori,i&e
&reating a ,lo' resistan&e and a pressuredrop
T+e pressuri>ation air ,lo'ing t+roug+ t+e air
seals is remo.ed t+roug+ seal .ent to
ambient or into t+e main gas pat+
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15!"1# LM$!!! %asi& Training 1#41#415!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
A-9um% ("iloso%"y
T+e A<sump &ontains bearings No1% and
#R ,or ,or'ard L( s+a,t support/ t+e IG%
and %earing No4R ,or ,or'ard H( s+a,t
support
K ump pressuri>ationD L(C dis&+arge air
K 9il supplyD separate oil =ets ,or ea&+
bearing and IG% splines
K 9il &a.engeD t+roug+ TG% to L pump
K eal drainD drains t+roug+ TG% to
s&a.enge
K eal .entD ba&7 into L(C spool
K ump .entD to pa&7age air oil separation
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15!"1# LM$!!! %asi& Training 1#1#15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
A-9um% ("iloso%"y
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15!"1# LM$!!! %asi& Training 1#51#515!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
B--9um% ("iloso%"y
T+e %<C<sump &ontains bearings NoR
and % ,or mid se&tion H( s+a,t support
and bearing No5R ,or rear H( s+a,t
support
K ump pressuri>ationD L(C dis&+arge air
)e6ternally piped*
K 9il supplyD separate oil =ets ,or ea&+
bearing
K 9il &a.engeD # separate oil pipes to
L pump ,or % and C s&a.enge
K eal drainD drain pipe to drain tan7
K eal .entD into en&losure ambient
K ump .entD to pa&7age air oil separation
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15!"1# LM$!!! %asi& Training 1#$1#$15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
B--9um% ("iloso%"y
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15!"1# LM$!!! %asi& Training 1#"
1#"15!"1# LM6000 Basic Training
Ma=or &omponents o, t+e LM$!!!
3-8-9um% ("iloso%"y
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15!"1# LM$!!! %asi& Training 1#
1#15!"1# LM6000 Basic Training
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%S TG%S IG%*
g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 14!
14!15!"1# LM6000 Basic Training
5 (arasiti& Air,lo'
(arasitic Air&lo*
GT air,lo's e6tra&ted ,rom primary or
se&ondary ,lo' ,or internal &ooling and
pressuri>ation is &onsidered parasiti&
upon t+e GTs po'er output T+ese
,lo's pro.ide sump pressuri>ation/
lo&ali>ed &ooling/ t+rust &+amber
pressuri>ation and passi.e &learan&e
&ontrol
(ortion o, t+e parasiti& air,lo' 'ill re<enter t+e GT primary or se&ondary
,lo' ome ,lo' 'ill be .entilated
dire&tly to ambient
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15!"1# LM$!!! %asi& Training 141
14115!"1# LM6000 Basic Training
L( 3isc"arge !(/ Air&lo* : 9um% (ressuri>ation
L(C dis&+arge or Compressor Inlet
(ressure )CI(* air is e6tra&tedD
K t+roug+ t+e gap bet'een t+e L(Cspool and t+e stg stator ,or
pressuri>ation o, t+e -<E<sump .ia
t+e mids+a,t )a&&elerated by t+e
K t+roug+ C00 inner +oles ,or
pressuri>ation o, t+e A<sump
K t+roug+ C00 e6ternal ports ,or
pressuri>ation o, %<C<sump .ia
e6ternal piping
L(C dis&+arge e6tra&tion and A<ump
%<C<ump -<E<ump
5 (arasiti& Air,lo'
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15!"1# LM$!!! %asi& Training 144
14415!"1# LM6000 Basic Training
9um% 7ent
ump .ent air is an air8oil .apor
routed e6ternally o,,< engine to a
&ustomer supplied air8oil separator
,or ma6imum oil re&lamation
A< and %<C<sumps are mani,olded
toget+er and t+en routed o,,<engine
'+ile -<E<sump .ent air routes to
air8oil separator .ia independent
piping
A<ump
%<C<ump -<E<ump
5 (arasiti& Air,lo'
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15!"1# LM$!!! %asi& Training 14
1415!"1# LM6000 Basic Training
9um% 7ent
5 (arasiti& Air,lo'
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15!"1# LM$!!! %asi& Training 145
14515!"1# LM6000 Basic Training
t" 9tage Bleed Air
H(C stage " bleed air is routed e6ternally
a,t to &ool t+e leading edge o, t+e stage 1
L(T no>>le .anes E6iting t+e .anes t+e
,lo' &ools t+e balan&e seal bolted to t+e
inner plat,orm o, t+e no>>le and t+en .ents
o,, t+roug+ t+e rear L(T spool into t+e
primary ,lo'
At -LE models stg " bleed is also used
,or &ombustion &ontrol regulated by a
&ontrol .al.e
At AC models stg " bleed &an be used at
&ustomers option
L(T No>>le 1
leading edge &ooling
5 (arasiti& Air,lo'
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14$15!"1# LM6000 Basic Training
t" 9tage Bleed Air
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1415!"1# LM6000 Basic Training
11t" 9tage Bleed Air
H(C stage 11 bleed air is routed e6ternally
a,t to &ool t+e H(T stage # no>>le .anes
e6ternal tubes &arry t+e air to t+e H(T stator
&ase E6iting t+e .anes t+e ,lo' .ents o,, into
t+e primary ,lo'
tage 11 bleed air is also routed e6ternally to
t+e TR0 into t+e t+rust balan&e &a.ity ,ormed
by a balan&e piston dis7 and t+e stationary
balan&e piston seal T+e +ig+ pressure air
pus+es t+e balan&e piston dis7 ,or'ard
&ontrolling t+e a6ial t+rust on t+e No1%
bearing T+e t+rust balan&e pressure &an be
ad=usted by eit+er ori,i&es or a &ontrol .al.e
H(T No>>le # &ooling
No1% T+rust %alan&e
5 (arasiti& Air,lo'
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14"15!"1# LM6000 Basic Training
11t" 9tage Bleed Air
5 (arasiti& Air,lo'
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15!"1# LM$!!! %asi& Training 14
1415!"1# LM6000 Basic Training
3( Air
Compressor -is&+arge (ressure )C-(* air is
used ,or H(T rotor &ooling/ H(T No>>le tg 1
&ooling/ No% t+rust balan&e and %<C sump
.enting C-( air lea7s t+roug+ t+e gap bet'een
H(C rotor spool and stg 1 stator into t+e
,or'ard pressure &+amber C-( inner &ombustor
is routed t+roug+ H(TN1 support +oles to t+e
H(T rotor and balan&e &+amber/ outer C-( air is
used ,or rear H(TN1 &ooling At -LE models
C-( bleed is regulated and used ,or &ombustion&ontrol At dual ,uel models C-( &an be used at
&ustomers option )eg gas mani,old purging*
C-( air ,lo'
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15!"1# LM$!!! %asi& Training 11
1115!"1# LM6000 Basic Training
@o.#B bearing t"rust balance
T+e C-( air pressuri>ing t+e H(T rotor
&a.ity is also lea7ing a,t a&ross t+e
pressure balan&e seal into t+e H(T t+rust
balan&e &+amber Air,lo' into t+e &+amber
is +ig+er t+an t+e air,lo' es&aping t+roug+
stg1 rotor blade 'ing seal T+is &auses a
pressure built up 'it+in t+e &+amber and
loading t+e H(T rotor a,t/ assisting No%
absorbing t+e t+rust load ,or'ard An
in&reasing H( Re&oup pressure due to+ig+er seal lea7ages 'ould bring a ,or'ard
load onto t+e H(CR .ia t+e C-( seal T+is
,or'ard load &an&els a part o, t+e t+rust
balan&e in&reasing t+e a6ial load to No%
C-( eal
(ressure
%alan&e eal
(ressure %alan&eC+amber
H( Re&oup
C+amber
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1#15!"1# LM6000 Basic Training
=( ecou%
T+e H( re&oup air,lo' de.elops ,rom C-(
air lea7ing t+roug+ t+e ,ront C-( seal and
rear balan&e piston seal T+e H( re&oup airis routed e6ternally ,or L(T tage 1 No>>le
.ane trailing edge &ooling and t+en .ented
into t+e primary ,lo' A part o, t+e H(
re&oup air lea7s t+roug+ seals into t+e L(
re&oup air &+amber and is t+en .ented o,,
into t+e GT en&losure
T+e H( re&oup air pressure is also
in,luen&ing t+e No% bearing t+rust
balan&e H( Re&oup and L(T No>>le
1 trailing edge &ooling
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15!"1# LM$!!! %asi& Training 14
1415!"1# LM6000 Basic Training
=( ecou%
5 (arasiti& Air,lo'
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15!"1# LM$!!! %asi& Training 1
115!"1# LM6000 Basic Training
)rame 7ent and L( ecou%
T+e %<C<sump L( re&oup air,lo' de.elops
,rom lea7ing H( Re&oup air and sump
pressuri>ation air T+e L( re&oup air is.ented o,, into t+e GT en&losure
T+e -<E<sump ,rame .ent air,lo' de.elops
,rom lea7ing sump pressuri>ation air T+e
,rame .ent is .ented o,, into t+e GTen&losure
-<E<sump ,rame .ent
%<C<sump L( Re&oup ,rame .ent
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1515!"1# LM6000 Basic Training
)rame 7ent and L( ecou%
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1$15!"1# LM6000 Basic Training
L(T case cooling and (assive learance ontrol (/
L(C dis&+arge air is e6tra&ted at t+e ,ront
,rame and routed t+roug+ e6ternal tubing to
t+e L(T &ooling mani,old tubing t+at
surrounds t+e L(T &ase T+ere t+e air isdis&+arged t+roug+ small +oles to &ool t+e
s7in temperature o, t+e L(T stator &ase T+e
&ooling air redu&es t+e &ase t+ermal gro't+
and de&reasing t+e L(T blade &learan&e
resulting in in&reased turbine e,,i&ien&y
T+e system is &alled (assi.e Clearan&eControl )(CC* as t+e air,lo' is not &ontrolled
by an additional .al.e 2al.e &ontrolled A&ti.e
Clearan&e Control )ACC* is used at t+e
Turbo,an C0$<"! L(T &ooling (CC<7it
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115!"1# LM6000 Basic Training
L(T case cooling and (assive learance ontrol (/
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115!"1# LM6000 Basic Training
Lubrication 9ystem
T+e GT lubri&ation system &onsists
o, an AG% dri.en lube oil supply
and s&a.enge pump T+e lube oil is
used to lubri&ate and &ool allengine bearings/ seals/ sumps and
t+e GT gearbo6es T+e lube oil is
also used to operate t+e 2ariable
Geometry )2G* system and8or
additionally mounted +ydrauli&
pumps ,or &ontrol .al.e operation
T+e lube oil system in&ludes oil and
.ent piping/ temperature sensors
and &+ip dete&tors
$ Au6iliary E;uipment and ystems
MTU Maintenance Berlin-Brandenburg
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$ A iliar E; ipment and stems
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15!"1# LM$!!! %asi& Training 15!
15!15!"1# LM6000 Basic Training
Lube ircuit
T+e L pump primes lube oil ,rom tan7
.ia a su&tion line into lube supply inlet
port L1 A gear pump t+en pressuri>es
and supplies t+e oil t+roug+ lube oil
dis&+arge port L# A portion o, t+e oil is
bypassed to ,ill and pressuri>e t+e GT
+ydrauli& system T+e main portion o, t+e
oil is pumped t+roug+ t+e oil inlet ,ilters
into t+e GT lube oil supply mani,old
'+ere it is separated to t+e di,,erentsumps and gearbo6es T+e oil is
s&a.enged o,, t+e dry sumps by su&tion
o, t+e separate gear pump elements o,
t+e L pump
In t+e pump t+e s&a.enge oil is merged
toget+er and pumped t+roug+ t+e
s&a.enge ,ilter and oil &ooler ba&7 into t+e
tan7 Lube oil supply and s&a.enge
pressures are measured eit+er at L
pump pressure taps or at pa&7age lube oil
lines Lube oil supply and s&a.enge
temperatures are measured by L pump
installed RT-s 9ptional ea&+ sump
s&reen &ontains an ele&tri&al8magneti&&+ip dete&tor
$ Au6iliary E;uipment and ystems
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15!"1# LM$!!! %asi& Training 15#
15#15!"1# LM6000 Basic Training
T+e L pump is a element
)1 supply and $ s&a.enge* positi.e
displa&ement pump At ea&+ port 8 element
o, t+e pump are inlet s&reens T+e s&reens
are non<bypassing and able to trap parti&les
bigger t+an !!4 in&+ 8 !$ mm T+e pump
also &ontains a relie, .al.e 'it+ 4!! psid 8
#! bard &ra&7ing pressure ),ull bypass ,lo'
at !! psid 8 #$ bard* ,or supply pressure
limiting T+e pump pro.ides a total oil ,lo'
,rom tan7 to GT o, appro6imately 1 gpm 8
$ l8min T+e s&a.enge elements are not
e;uipped 'it+ relie, .al.es/ t+e ma6imum
s&a.enge pressure is 1"! psig 8 1# barg
'it+ a ,lo' o, 1 gpm 8 $ l8min
Lube and 9cavenge (um%
$ Au6iliary E;uipment and ystems
MTU Maintenance Berlin-Brandenburg
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15!"1# LM$!!! %asi& Training 154
15415!"1# LM6000 Basic Training
Lube and 9cavenge (um%
$ Au6iliary E;uipment and ystems
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15!"1# LM$!!! %asi& Training 15
1515!"1# LM6000 Basic Training
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%S TG%S IG%*g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 155
15515!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
7ariable Geometry 7G/ 9ystem
T+e 2G system &onsists o, t+e 2G +ydrauli&
pump/ t+e Hydrauli& Control Unit )HCU*/ #
2IG2/ $ 2%2 and # 22 a&tuators
T+e 2G +ydrauli& pump is a ,i6ed
displa&ement pump pro.iding +ydrauli&
pressure up to 1/!! psig 8 $5 barg T+e
oil is pumped internally into t+e HCU T+e
HCU +ouses tor;ue motor positioned
+ydrauli& ser.os ,or porting ,luid at regulated
pressure/ '+i&+ is ma6 1/#!! psig 8 "#barg ,or 2%2 and 5! psig 8 51 barg ,or
2IG2 and 22
(ositioning o, t+e 2G system is s&+eduled
by GT &ontrol system ele&tri&al inputs to t+e
HCU ser.os
T+e re;uired position ,eedba&7 is gi.en by
t+e a&tuator internal L2-Ts o, bot+ 2IG2</
bot+ 22< and t'o o, t+e si6 2%2<a&tuators
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15!"1# LM$!!! %asi& Training 15$
15$15!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
7ariable Geometry 7G/ 9ystem
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15!"1# LM$!!! %asi& Training 15
1515!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
7ariable Geometry 7G/ 9ystem
HCU +ydrauli& line &onne&tions2G system &ontrol s&+edules
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15!"1# LM$!!! %asi& Training 15"
15"15!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
7ariable Geometry 7G/ 9ystem
22
2%22IG2
22<a&tuators
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15!"1# LM$!!! %asi& Training 15
1515!"1# LM6000 Basic Training
TECHNICAL TRAINING
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%S TG%S IG%*g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 1$!
1$!15!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
)uel 9ystems
All ,uel systems &ontain 4! 0uel No>>les )AC*
or (remi6ers )-LE*
AC gas and steam mani,olds and all -LE ,uel
mani,olds are not supported by t+e gas turbine
but installed in t+e GT en&losure 0uel
No>>les8(remi6ers and mani,olds are &onne&ted
.ia ,le6ible +oses T+is &on,iguration pro.ides
t+e ,uel system 'eig+t being un&oupled ,rom t+e
GT AC models 'ater and li;uid ,uel mani,olds
are GT<mounted and &onne&ted to t+e 0uel
No>>les .ia ,i6ed tubes
3+ene.er t+e GT +as to be mo.ed or s+ipped
t+e mani,olds re;uire additional supports
LM$!!! (- 'it+ mani,old
transport support
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15!"1# LM$!!! %asi& Training 1$11$115!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
9A Gas )uel
T+e natural gas 8 'ater system &onsists
o, 4! gas ,uel no>>les/ 4! gas ,uel +oses
and a gas mani,old
T+e mani,old is a split ring type T+e ,uel
no>>les are a simple ori,i&e type and
indi.idually remo.able
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15!"1# LM$!!! %asi& Training 1$#1$#15!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
9A Gas )uel *it"
ater !n$ection
T+e natural gas 8 'ater system pro.ides
additional 'ater in=e&tion t+roug+ t+e ,uel
no>>les into t+e &ombustor to lo'er t+e
,lame temperature and 'it+ it t+e N9
emissions .alue T+e 'ater in=e&tion
&auses a lo'er T" at t+e same gas ,uel
,lo' T+is T" margin and t+e +ig+er
mass ,lo' result in a &a #<4M3 +ig+er
ma6imum po'er output
Additional to t+e gas system &omponents
a 'ater mani,old/ 4! ,eeder tubes/ and
gas8'ater ,uel no>>les are re;uired
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15!"1# LM$!!! %asi& Training 1$41$415!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
%ot+ t+e gas and 'ater &ir&uits &ontain
metering and s+uto,, .al.es
3ater ,or N9 suppression 'ill bein=e&ted ,rom &a 1! M3 o, load
I, no 'ater is in=e&ted t+e 'ater mani,old
'ill be purged 'it+ natural gas ,lo'ing
ba&7 ,rom t+e ,uel no>>le tips
T+e 'ater system is se&ured ,rom ba&7
,lo'ing gas by non return and8or s+uto,,
.al.es
9A Gas )uel *it"
ater !n$ection
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$ Au6iliary E;uipment and ystems
9A Gas )uel *it"
9team !n$ection
T+e natural gas 8 steam system pro.ides
additional steam in=e&tion t+roug+ t+e ,uel
no>>les into t+e &ombustor to lo'er t+e
,lame temperature and 'it+ it t+e N9
emissions .alue T+e steam in=e&tion
&auses a lo'er T" at t+e same gas ,uel
,lo' T+is T" margin and t+e +ig+er
mass ,lo' result in a &a #<4M3 +ig+er
ma6imum po'er output
Additional to t+e gas system &omponents
a steam mani,old/ 4! ,le6 +oses/ and
gas8steam ,uel no>>les are re;uired
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15!"1# LM$!!! %asi& Training 1$51$515!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
9A Gas )uel *it"
9team !n$ection
%ot+ t+e gas and steam &ir&uits &ontain
metering and s+uto,, .al.es
team ,or N9 suppression 'ill bein=e&ted ,rom &a 1! M3 o, load
I, no steam is in=e&ted t+e steam mani,old
'ill be purged 'it+ engine C-( air '+i&+
is ta7en o,, t+e GTs C-( bleed ports at
t+e CR0
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15!"1# LM$!!! %asi& Training 1$$1$$15!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
9A Li,uid )uel *it" or
*it"out ater !n$ectionT+e li;uid ,uel system is a.ailable eit+er
'it+ or 'it+out N9 redu&tion 'ater
in=e&tion T+e system &onsists o, a
primary and a se&ondary &ir&uit/ ea&+
'it+ 1 mani,old and 4! ,eeder tubes T+e
primary &ir&uit +as a lo'er ,lo' &apa&ity
and supplies t+e ,uel no>>les ,or t+e GT
start T+e se&ondary &ir&uit pro.ides ,ull
,lo' &apa&ity ,or load operation 3ater
'ill be additionally in=e&ted t+roug+ t+e
se&ondary &ir&uit At positions and #
spe&ial ,uel no>>les 'it+ +ig+er primary
,lo' are installed to pro.ide su,,i&ient U2<
,lame indi&ation at start up
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$ Au6iliary E;uipment and ystems
%ot+ t+e li;uid and 'ater &ir&uits &ontain
metering and s+uto,, .al.es
T+ere is only one metering .al.es ,or bot+li;uid ,uel &ir&uits A ,lo' di.ider .al.e
al'ays pro.ides ,lo' to t+e primary &ir&uit
but opens t+e se&ondary &ir&uit only '+en
a &ertain ,uel pressure is rea&+ed
3ater ,or N9 suppression 'ill be
in=e&ted ,rom &a 1! M3 o, load
I, no 'ater is in=e&ted t+e 'ater system is
blo&7ed by a non return .al.e ,rom li;uid
,uel ba&7 ,lo'
9A Li,uid )uel *it" or
*it"out ater !n$ection
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$ Au6iliary E;uipment and ystems
9A 3ual )uel *it" or
*it"out ater !n$ectionT+e dual ,uel system is a.ailable eit+er
'it+ or 'it+out N9 redu&tion 'ater
in=e&tion T+e system &onsists o, bot+ t+e
gas ,uel and li;uid ,uel system
&omponents and enables operation 'it+
di,,erent ,uel types T+e ,uel &an be
&+anged during operation at all loads
3ater ,or N9 redu&tion 'ill be
additionally in=e&ted t+roug+ t+e
se&ondary li;uid &ir&uit At positions and
# spe&ial ,uel no>>les 'it+ +ig+er
primary ,lo' are installed to pro.ide
su,,i&ient U2<,lame indi&ation at start up
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$ Au6iliary E;uipment and ystems
T+e dual ,uel 8'ater system is a mi6 o,
t+e gas and li;uid ,uel 8 'ater systems
T+e li;uid mani,olds are purged 'it+ gas'+en not in use %ot+ li;uid ,uel and
'ater systems are blo&7ed by non<return
or s+uto,, .al.es to pre.ent ba&7 ,lo' o,
gas I, operation on li;uid ,uel t+e gas
mani,old 'ill be purged 'it+ C-( air to
pre.ent ba&7,lo' o, +ot gases and to &oolt+e ,uel no>>le tips additionally to t+e
s+roud air ,lo'
9A 3ual )uel *it" or
*it"out ater !n$ection
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15!"1# LM$!!! %asi& Training 1!1!15!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
3L8 Gas )uel
T+e -LE gas ,uel system &ontains o, 4!
(remi6ers/ 4 )(-* or 5 )(0* ,uel
mani,olds/ 11 )(-* or 14 )(0* staging
.al.es and 4! ,uel +ose assemblies
Ea&+ o, t+e 4 or 5 mani,olds is &ontrolled
by a separate ,uel metering .al.e
T+e staging .al.es open or s+ut mani,old
segments to enable t+e re;uired burner
modes and ,uel ,lo's depending on t+eload o, t+e engine
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15!"1# LM$!!! %asi& Training 111115!"1# LM6000 Basic Training
$ Au6iliary E;uipment and ystems
3L8 Gas )uel (remi+er
T+e -LE system &ontains 4! premi6ers/
15 #<&up and 15 4<&up T+e t+ree burner
rings &ontain all toget+er 5 burners/ 4!
,or t+e outer A<ring/ 4! ,or t+e pilot %<ring
and 15 ,or t+e inner C<ring
All premi6ers +a.e got t+ree ,uel gas
&onne&tions T+e t+ird &onne&tion ,or t+e
#<&up premi6ers supplys t+e %<&up elbo
,lo' passage
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15!"1# LM$!!! %asi& Training 1#1#15!"1# LM6000 Basic Training
y ; p y
3L8 Gas )uel Ma%%ing
T+e -LE ,uel system operates in
di,,erent burner modes dependent on
t+e GT load T+ese burner modes in
&on=un&tion 'it+ t+e bleed air system
pro.ide t+e &orre&t ,uel air mi6ture ,ora lo' N9 and C9 &reating ,lame
temperature T+e ad=ustment o, t+ese
burner modes are &alled &ombustor
mapping
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15!"1# LM$!!! %asi& Training 141415!"1# LM6000 Basic Training
y ; p y
3L8 3ual )uel
LM$!!!(- and (0 &an be supplied 'it+ a
dual ,uel system
T+e dual ,uel -LE system allo' redu&ed
N9 and C9 emissions operating t+e GT
'it+ eit+er gas or li;uid ,uel 'it+out
additional in=e&tions
T+e dual ,uel -LE system &ontains
additional li;uid ,uel lines/ staging .al.es
and dual ,uel premi6ers
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15!"1# LM$!!! %asi& Training 1115!"1# LM6000 Basic Training
y ; p y
9(!@T 9ystem
(RINT is optionally a.ailable ,or po'er
en+an&ement ,or inlet temperatures abo.e
4!0 )11C* (RINT operates as an
inter&ooler by in=e&ting a ,ine mist into t+e
&ompressor air,lo' and redu&es t+e
temperature o, t+e air as it e.aporates in t+e
,ront &ompression system T'o (RINT
systems are used H( (RINT in=e&ts 'ater
mist into t+e H(C inlet .ia no>>les mounted
in t+e C00 L( (RINT pro.ides additional
e.aporati.e &ooling during +ot<day operation
by in=e&ting mist into t+e L(C .ia no>>les
mounted in t+e inlet du&t L( (RINT is
disabled belo' 50 )#C* to pre.ent i&ing
&onditions
H( (RINT
L( (RINT
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15!"1# LM$!!! %asi& Training 151515!"1# LM6000 Basic Training
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%S TG%S IG%*g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 1$1$15!"1# LM6000 Basic Training
y ; p y
9tarting 9ystem
T+e starting system pro.ides speed to t+e
GT H(<s+a,t to enable ,iring up t+e gas
turbine T+e starter motor is &onne&ted to
t+e H( s+a,t .ia AG%/ TG%/ Radial -ri.e
+a,t and IG% T+e L( s+a,t 'ill turn
automati&ally as t+e air and gas ,lo's
in&rease during t+e start
All types o, starters &ontain o, a &lut&+ and
t+e a&tual dri.e motor T+e &lut&+ pro.ides
t+e starter motor to disengage '+en its
speed is o.errun by t+e GT speed A part o,
t+e &lut&+ stays turning during t+e GTs
operation and re;uires &ontinuous
lubri&ation
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15!"1# LM$!!! %asi& Training 1115!"1# LM6000 Basic Training
y ; p y
9tarting 9ystem
T+e starting system +as t+e ,ollo'ing tas7sD
K A&&elerate t+e H( rotor to ignition speed
K Help t+e H( rotor to a&&elerate to sel,<sustaining speed
K -is&onne&t ,rom GT automati&ally
K -ri.e t+e H( rotor at lo' speed during
'ater 'as+
K -ri.e t+e H( rotor during slo' roll )&ooldo'n period* in t+e stop pro&edure
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15!"1# LM$!!! %asi& Training 1"1"15!"1# LM6000 Basic Training
y ; p y
(neumatic 9tarter
T+e pneumati& starter &an be eit+er supplied
'it+ &ompressed air or &ompressed natural
gas
T+e starter motor &ontains a single stage
a6ial ,lo' turbine '+i&+ dri.es t+e dri.e s+a,t
.ia a planetary redu&tion gear and a rat&+et
type o.er<running &lut&+
T+e dis&+arge air or gas is .ented o,,
t+roug+ a s+rouded e6+aust
T+e starter is &onne&ted to t+e GT supply
and s&a.enge oil system
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15!"1# LM$!!! %asi& Training 1115!"1# LM6000 Basic Training
y ; p y
=ydraulic 9tarter
T+e +ydrauli& starter &onsists o, a .ariable
displa&ement<type +ydrauli& motor 'it+
piston stro7e &ontrolled by a 'obble plate
-ispla&ement is &ontrolled by .arying t+e
angle o, t+e 'obble plate by means o, a
pressure &ompensator T+e starter is
e;uipped 'it+ an o.errunning &lut&+ to
disengage ,rom GT '+en t+e H( s+a,t
rea&+es /$!! rpm
T+e ma6imum supply pressure is 4$5 bar at
a ,lo' o, #!" l8min
;il in
;il out to reservoir obble (late
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15!"1# LM$!!! %asi& Training 1"!1"!15!"1# LM6000 Basic Training
=ydraulic 9tarting 9ystem
T+e +ydrauli& starting system &onsists o, an
o,,<engine starter module and an on<engine
starter motor An E<motor dri.es 4 pumps/ a
&ontrollable main pump to supply oil to t+e
starter motor/ a boost pump to ,ill and&ontinuously ,lus+ t+e +ydrauli& system and
a pilot pump ,or main pump &ontroller
pressure T+e boost pump &+arge oil ,lo'
,rom t+e tan7 into t+e H( system on t+e
main pumps su&tion side and .ia a relie,
.al.e ba&7 into t+e reser.oir 9il ,rom main
loop 'ill +eat up and 'ill be returned to t+e
reser.oir .ia an internal relie, .al.e and an
oil &ooler
A t+ pump is re;uired ,or t+e starter &lut&+
lubri&ation loop '+i&+ is &ommonly operating
'it+ t+e same +ydrauli& oil )not s+o'n in
s&+emati&*
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15!"1# LM$!!! %asi& Training 1"11"115!"1# LM6000 Basic Training
!gnition 9ystem
T+e ignition system &onsists o, t+e ignition
e6&iters/ leads and spar7 igniters/ T+e
purpose is to ignite t+e ,uel<air mi6ture 'it+in
t+e &ombustor during t+e start &y&le
T+e e6&iters operate on 115 2AC $!H>
input and dis&+arge t'o #!/!!! 2-C pulses
per se&ond t+roug+ &oa6ial s+ielded leads to
t+e igniters A # 2-C input .ersion is also
a.ailable
T+e spar7 igniters are a gap ,iring type T+esur,a&e gap 'ill ioni>e at "/5!! .olts T+e
dis&+arge energy is # =oules
T+e ignition system is energi>ed parallel 'it+
energi>ing o, t+e starter )1/#!! < /!! rpm*
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15!"1# LM$!!! %asi& Training 1"#1"#15!"1# LM6000 Basic Training
1. Abbreviations and acronyms
2. Gas turbine basics
. !ntroduction to t"e LM6000
#. Ma$or com%onents o& t"e LM6000
a Lo' (ressure Compressor )L(C*
b Hig+ (ressure Compressor )H(C*
& Combustor
d Hig+ (ressure Turbine )H(T*
e Lo' (ressure Turbine )L(T*
, A&&essory -ri.e )AG%S TG%S IG%*g Engine 0rames )C00/ CR0/ TR0*
+ %earings and umps
'. (arasitic Air )lo*
6. Au+iliary e,ui%ment and system
a Lubri&ation ystem
b 2ariable Geometry ystem
& 0uel/ 3ater and team ystems
d tarting ystem
e Instrumentation
Table o& contents
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15!"1# LM$!!! %asi& Training 1"41"415!"1# LM6000 Basic Training
!nstrumentation inter&ace
0i.e inter,a&e panels are
pro.ided at LM$!!! GTs
,or &onne&tion o, o,,<engine
signal lines to t+e on<
engine instrumentation
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15!"1# LM$!!! %asi& Training 1"1"15!"1# LM6000 Basic Training
=( otor 9%eed 9ensors F@2'/
T'o H( rotor speed sensors are lo&ated at
t+e LH side o, t+e AG% T+ese are magneti&
relu&tan&e type sensors/ t+e speed signal is
produ&ed by sensing t+e passing gear teet+
on an AG% spur gear
T+e sensors re;uire gap setting '+en
installed T+e gap is &+e&7ed t+roug+
inspe&tion +oles at t+e ,or'ard side o, t+e
AG%/ ad=usted by t+reading in or out andse&ured by a lo&7<'ired =amnut T+e
t+reads +a.e to be &oated 'it+ RT2 sili&on
to pro.ide sealing o, t+e AG% sump
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15!"1# LM$!!! %asi& Training 1"51"515!"1# LM6000 Basic Training
L( otor 9%eed 9ensors F@2/
T'o L( rotor speed sensors are lo&ated at
bot+ L(C stator &ase sides )4 and o&lo&7*
T+ese are eddy &urrent type sensors/ t+e
speed signal is produ&ed by sensing t+e
passing L(C stage ! rotor blades
T+e sensors re;uire gap setting '+en
installed T+e gap is ad=usted by pealing
laminated s+im pa&7s 0or ad=ustment t+e
a.erage stage ! blade tip &learan&e +as tobe determined by measuring ea&+ blade
gap
N# sensors are not used anymore at ne'er
LM$!!! .ersions
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15!"1# LM$!!! %asi& Training 1"$1"$15!"1# LM6000 Basic Training
L( otor 9%eed 9ensors F@93/
T'o L( rotor speed sensors are lo&ated at
t+e L(T TR0 T+ese are magneti&
relu&tan&e type sensors/ t+e speed signal is
produ&ed by sensing ring lands o, a slotted
ring installed in ,ront o, t+e No R bearing
inner ra&e
T+e sensors do not re;uire gap setting
As one o, t+e " slotted ring lands is 'ider/ it
produ&es a stronger pulse '+i&+ &reates a18re. signal t+at &an be used ,or L( rotor
trim balan&ing
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15!"1# LM$!!! %asi& Training 1"1"15!"1# LM6000 Basic Training
om%ressor !nlet 9ensorsT2:(2 and T2':(2'/
0or L( and H( &ompressor inlet
temperatures and pressures t'o &ombined
(8T probes are used T+e L(C<one is
installed in 2IG2 +ousing t+e H(C<one in
t+e C00
T+e (8T sensor probe &ontains a duple6
RT- type temperature sensor 'it+ an
integral lead and a pressure probe 'it+ a
port to &onne&t an o,,<engine pressuretransmitter
T# and T#5 temperatures are mainly
re;uired ,or speed &orre&tions to &ontrol t+e
2G system &omponents
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15!"1# LM$!!! %asi& Training 1""1""15!"1# LM6000 Basic Training
om%ressor 3isc"argeTem%erature T/
T+e &ompressor dis&+arge temperature T4
sensor is a dual<element type ?
)&+romel8alumel* t+ermo&ouple 'it+ an
integrated lead Ea&+ element +as a
separate read<out &apability -LE .ersion
use # sensors/ AC .ersions one sensor All
o, t+em are installed at t+e CR0 =ust be+ind
t+e H(C<CR0 ,lange
T+e T4 sensor is re;uired ,or po'erlimitation and ,or ,lame temperature
&al&ulations at -LE .ersions
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15!"1# LM$!!! %asi& Training 1"1"15!"1# LM6000 Basic Training
L(T !nlet Tem%eratureT#/
T+ere are eig+t dual<element type ?
)&+romel8alumel* T" t+ermo&ouples T+ere
are # internal t+ermo&ouples in ea&+ sensor
to sense t+e outer and inner temperature
pro,ile/ T+ese # t+ermo&ouples are
&onne&ted in line to gi.e an a.erage
temperature ,or ea&+ sensor T'o ,le6ible
+arnesses/ ea&+ &onne&ted to ,our sensors
are routed to &onne&tors on t+e TR0
inter,a&e panel
T+e " indi.idual temperature readouts are
also used to sense a temperature spread in
t+e +ot gas pat+
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15!"1# LM$!!! %asi& Training 1!1!15!"1# LM6000 Basic Training
L(T !nlet (ressure (#/
T+e L(T inlet pressure (" is used ,or
po'er &al&ulation and &omparisons A probe
to sense t+e total pressure is installed
t+roug+ t+e D4! o&lo&7 position port at t+e
,or'ard L(T &ase in t+e same area '+ere
t+e T" probes are lo&ated T+e probe +as
,our ports dire&ted to'ards t+e engine inlet
to enable pressure a.erage sensing o, t+e
'+ole L(T inlet pro,ile T+e probe +ousing
internal mani,old is &oiled to absorb .ibration
and t+ermal gro't+ ,or&es E6ternally t+e
probe +as got a pressure tap to &onne&t an
o,,<engine transmitter or gage
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15!"1# LM$!!! %asi& Training 111115!"1# LM6000 Basic Training
Lube ;il Tem%erature 9ensors
T+e standard lube system instrumentation
&onsists o, dual<element (T1!! type RT-s
e.en RT-s are installed to measure t+e
AG%/ TG%<A/ %/ C/ - and E sump s&a.enge
temperatures as 'ell as t+e supply oil
temperature
All RT-s are lo&ated at t+e Lube and
&a.enge (ump mani,olds
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15!"1# LM$!!! %asi& Training 1#1#15!"1# LM6000 Basic Training
Lube ;il "i% 3etectors
T+e standard lube system &+ip dete&tion
&onsists o, el&tri&8magneti& remote readout
&+ip dete&tors ,or t+e t+rust bearing
&ontaining sumps TG%8A )No1%* and %
sump )No %* as 'ell as in t+e &ommon
s&a.enge return line 9ptional all remaining
sump s&a.enge lines &an also be e;uipped
'it+ &+ip dete&tors All &+ip dete&tors are
t+readed into t+e L pump s&a.enge ,inger
s&reens T+e remote indi&ation 'ill be
a&ti.ated '+en t+e resistan&e a&ross t+e
dete&tor is belo' 1!! o+ms T+e dete&tor
input .oltage is # 2-C at ! mAmps
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15!"1# LM$!!! %asi& Training 141415!"1# LM6000 Basic Training
7ibration 9ensors
T+e gas turbine is e;uipped 'it+ t'o +ig+
temperature a&&elerometers to dete&t t+e
GT .ibrations Ea&+ sensor monitors t+e
.ibration 'ideband ,re;uen&y T+e t'o
signals 'ill t+en be band ,iltered in t+e
monitoring system ,or bot+ t+e L( and H(
s+a,t ,re;uen&ies T+is &reates .ibration
readings )L( ,or'ard and a,t Q H( ,or'ard
and a,t*
T+e a&&elerometers are 1<a6is pie>oele&tri&
&rystal type '+i&+ produ&e a .oltage output
t+at measures t+e GT .ibrations
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15!"1# LM$!!! %asi& Training 1115!"1# LM6000 Basic Training
U7 )lame 3etectors
T'o U2<type ,lame dete&tors are pro.ided
'it+ integral leads and air &ooling =a&7ets as
standard e;uipment ,or ,ast indi&ation o,
presen&e or loss o, ,lame in t+e GT
&ombustion system
To sapp+ire .ie'ing 'indo' assemblies
),lame eyes* are installed in t+e CR0 T+e
,lame sensors are positioned radially ,rom
&ombustion se&tion in line 'it+ t+e a6is o,symmetry o, t+e ,lame eyes and dete&t t+e
,lame by sensing t+e U2<radiation T+e
sensors +a.e got a &ooling &an to enable
&ooling 'it+ &ooling air
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15!"1# LM$!!! %asi& Training 151515!"1# LM6000 Basic Training
Acoustic 9ensors (F6/
T'o A&ousti& sensors are installed at
LM$!!! -LE .ersions mounted at t+e CR0
&ase T+ese sensors &ontrol and monitor t+e
&ombustor dynami& pressure
T+e a&ousti& sensors are pie>o<ele&tri&
&+arge de.i&es similar to t+e .ibration
a&&elerometers
Ea&+ sensor +as an integral lead 'it+
&onne&tor
ensor
Integral Lead
Housing
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Gas Turbine (ressure Ta%s
T+e ,ollo'ing taps are pro.ided ,or o,,<
engine pressure sensing de.i&esD
K at GT lube oil supply line
K at GT lube oil s&a.enge line
K at CR0 ,or C-( )(4*/ 1 at AC/ # at -LE
K at ea&+ ,uel mani,old )gas and li;uid*
K at C00 ,or H(C inlet stati& pressure )(#5*
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