TEICAL MANUAL FOR TURBINE ENGINE …...The hydraulic starter is used to start gas turbine engines....

TEICAL MANUAL

FOR

TURBINE ENGINE HYDRAULIC STARTER

MODELS53WK57016-153WK5701753WK57018

53WK57015-453WK57008-453WK57008-653WK57008-553WK57004-4

MANUFACTURED BY:

JACKSON, MISSISSIPPICAGE: 62983

DMEnergy +7 (499) 992-09-90 https://dm.energy

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TABLE OF CONTENTS

SECTION 1 GENERAL INFORMATION ............................... 1-1

1-1 INTRODUCTION.1-1

1-2 PURPOSE OF EQUIPMENT .1-1

1-3 EQUIPMENT SUPPLIED.1-1

1-4 OTHER EQUIPMENT SUPPLIED ......................... 1-1

1-5 STARTER PERFORMANCE CHARACTERISTICS .......... 1-1

SECTION 2 DESCRIPTION ........................................ 2-1

2-1 SYSTEM DESCRIPTION .2-1

2-2 VARIABLE DISPLACEMENT HYDRAULIC STARTER ....... 2-2

SECTION 3 INSTALLATION ........................................ 3-1

3-1 HYDRAULIC STARTERS .................................... 3-1

3-2 HYDRAULIC INTERCONNECTIONS ...................... 3-1

3-3 CLEANLINESS ............ 3-2

SECTION 4 OPERATION ................... 4-1

4-1 OPERARING CONTROLS ....... ............ 4-1

4-2 ENGINE START-UP ................... 4-1

4-3 ENGINE CRANKING ................... 4-1

4-4 ENGINE CRANKING WATER WASH LOW SPEED ..... 1..... 41

SECTION 5 MAINTENANCE ...................................... 5-1

5-1 PREVENTIVE MAINTENANCE ............ ............... 5-1

5-2 WEEKLY MAINTENANCE ................................ 5-1

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TABLE OF CONTENTS (continued)

5-3 QUARTERLY MAINTENANCE ............................ 5-1

5-4 ANNUAL MAINTENANCE ................................ 5-1

5-4.1 HYDRAULIC FLUID SAMPLE ............................ 5-1

5-4.2 LUBRICATION ..................................... 5-2

5-4.3 SYSTEM OPERATIONAL CHECK ........... .............. 5-2

5-5 TROUBLE SHOOTING .................................. 5-3

5-6 STARTER PRESSURE COMPENSATOR CONTROLADJUSTMENT ................................... 5-6

5-7 REPAIR OF HYDRAULIC STARTER .......... ............. 5-6

5-7.1 HYDRAULIC STARTER - REPLACEMENT OF ...... ....... 5-6SHAFT SEAL ASSEMBLY

5-7.2 HYDRAULIC STARTER - REPLACEMENT OFCOMPENSATOR CONTROL GASKET .5-8

5-7.3 HYDRAULIC STARTER - REPLACEMENT OFTRUNNION COVER GASKET ....... 5-11

SECTION 6 REPAIR AND REPLACEMENT PARTS ........ ............ 6-1

6-1 LIST OF REPAIR AND REPLACEMENT PARTS ...... ...... 6-1

SECTION 7 ILLUSTRATED PARTS BREAKDOWN ........ ............ 7-1

7-1 GENERAL ............... ..................... 7-1


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LIST OF ILLUSTARTIONS

FIGURE PAGE

1-1 TYPICAL HYDRAULIC STARTER .1-1

2-1 TYPICAL CLOSED LOOP HYDRAULIC STARTER . . 2-1

3-1 INSTALLATION OF MODEL 53WK57016-1,53WK57017 AND 53WK57018 .3-3

3-2 INSTALLATION OF MODEL 53WK57015-4,AND 53WK57004-4. 3-5

3-3 INSTALLATION OF MODEL 53WK57008-6,AND 53WK57008-4 .3-7

3-4 INSTALLATION OF MODEL 53WK57008-5 .3-7

4-1 ENGINE STARTING TORQUE .4-2

5-1 REMOVING COUPLING RETAINER AND SPLINECOUPLING.......................................... 5-7

5-2 REMOVING SHAFT SEAL RETAINER ..................... 5-7

5-3 REMOVAUREPLACEMENT OF SHAFT ZEAL ANDSPRING ASSEMBLIES ............................ 5-7

5-4 SHAFT SEAL ASSEMBLY REMOVED ...................... 5-7

5-5 REMOVING RETAINER RINGS AND CLEVIS PIN,HYDRAULIC STARTER COMPENSATOR CONTROL .... 5-9

5-6 COMPENSATING CONTROL REMOVED FROMHYDRAULIC STARTER ................ 5-9

7-1 TYPICAL VARIABLE DISPLACEMENT STARTEREXPLODED VIEW ............ 7-3

7-2 TYPICAL STARTER COMPENSATING CONTROLASSEMBLY EXPLODED VIEW .7-11

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LIST OF TABLES

TABLE NO. PAGE

1-1 MODEL TO ENGINE APPLICATION ......... ........... 1-2

3-1 LINE REQUIREMENTS ............................... 3-1

3-2 LUBRICATING TABLE ................................ 3-2

4-1 ENGINE STARTING TORQUE CHART ......... ......... 4-2

5-1 TROUBLE SHOOTING CHART ............. ........... 5-4

* 5-1 TROUBLE SHOOTING CHART (continued) ...... ....... 5-5

6-1 LIST OF RECOMMENDED REPAIR ANDREPLACEABLE PARTS ............................. 6-1

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GENERAL INFORMATION

1-1 INTRODUCTION

This technical manual provides installation, operation, maintenance instructions, anda list of spare and replaceable parts for the 53WK570 series hydraulic starter manufac-trued by VIckers Incorporated.

1-2 PUPPOSE OF EQUIPMENT

The hydraulic starter is used to start gas turbine engines. Precise starter configura-tion and performance will vary sightly depending upon which engine is to be started. Forlist of starter to engine application see table 1-1.

1-3 EQUIPMENT SUPPLIED BY VICKERS INCORPORATED

One variable displacement hydraulic starter will be mounted on each turbine engineto be started.

1-4 OTHER EQUIPMENT REQUIRED

A source of hydraulic fluid, at the spceified pressures and flow rates, will be requiredto operate the starter.

1-5 STARTER PERFORMANCE CHARACTERICTICS

Refer to the applicable model number block on the applicable starter installationdrawing for performance specifications such as fluid pressure and flows, output torques,etc.

Figure 1-1. Typical Hydraulic Starters

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Table 1-1. Model to Engine Application

MODELS PART No. APPLICATION

53WK570016-1 939699 Turbine engine starterfor Pratt & Whitney FT-8Engine

53WK57017 940281 Turbine engine starterfor Pratt & Whitney FT-8Engine

53WK57018 940282 Turbine engine starterfor Pratt & Whitney FT-8Engine

53WK57015-4 893934 Turbine engine starterfor Allison 571-KF Engine

53WK57008-4 940693 Turbine engine starterfor G. E. EngineLM2500/LM5000

53WK57004-4 940694 Turbine engine starterfor Pratt & WhitneyFT-3/FT-4/FT-8 Engines

53WK57008-5 940695 Turbine engine starterfor G. E. EngineLtM2500/LM5000

53WK57008-6 973306 Turbirie engine starterfor G. E. EngineLM2500/LM5000

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DESCRIPTION

2-1 SYSTEM OPERATION

The Vickers starter is used in a closed loop hydraulic circuit. High pressure fluidflows directly from a supply pump to the starter as illustrated in Figure 2-1. This basiccircuit is modified by the addition of filters, gages, check valves, and valving necessaryfor the particular application.

Fluid flows and pressures to the starter will vary as dictated by the model and speed.

One starter is mounted on each turbine engine to be started. Hydraulic pressure isapplied to any one of the hydraulic starters. The starter converts the high pressure fluidpower to shaft torque to motor the engine during starting. The starter discharges the fluidto the low pressure side of the system for return to the supply pump(s).

CASE LEAKAGE FLOW

r \ r-----9---- -- I \\rS

PUMP ) (A) 4 STARTER

I RESERVOIRICHARGEUMP' RE'R-' I . HI-PRESS

, < | .j , RELIEF VALVEMAKE UP FLOW

LO-PRESSRELIEF VALVE =

Figure 2-1. Typical Closed Loop Hydraulic Transmission

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2-2 VARIABLE DISPLACEMENT HYDRAULIC STARTER

The variable displacement hydraulic starter contains a rotating group consisting of acylinder block and nine axially mounted piston assemblies that rotate between the valveplate on one side and the cam plate on the other side. The flat face of the cylinder blockrotates in contact with the hydrostatically balanced valve plate, while the hydrostaticallybalanced piston assemblies rotate in contact with the inclined flat face of the cam. Sincethe hydraulic reaction force is carried on the hydrostatically balanced surfaces on bothsides of the cylinder block, bearing thrust load is reduced to a minimum. As both camand valve plate are located in the housing, the full amount of hydraulic pressure isapplied to the housing.

The cylinder block is allowed to pivot on the spherical surface of the crowned spline,which also serves as the driven member so that the block aligns itself with the valve plateto ensure that the sealing surface is in full contact, thereby reducing leakage to aminimum. A spring inside the cylinder blocks keeps the block in contact with the valveplate during starting ( maximum load ) and standby ( no load ). Porting is accomplishedby the interconnection of properly timed passages in the cylinder block and valve plate.

The starter utilizes a pressure compensating control to regulate displacement ( camangle ). The pressure compensator control setting is adjusted at a pressure level slightlybelow the pressure level of the system supply pump ( rated inlet pressure ). The starterwill remain in full angle ( full displacement until a speed is attained which uses the fulloutput flow (rated inlet flow ) from the pump.

Rated fluid flow is limited by a flow control valve or supply pump flow output limit.Pressure will decrease with further starter acceleration initiatirg starter compensatorcontrol action. For operation from attainment of rated flow speed tQ cut-out speed, thepressure compensator control decreases the cam angle with increasing speed,maintaining a constant flow rate. At maximum attainable speed ( cut-off speed),minimum cam angle is realized, preventing further increase in starter speed. ( Anyincrease in speed would require a flow rate in excess of the flow control valve or pumpcapacity).

The maximum cam angle is typically set at 6 CIR full displacement with minimumcam angle approximately 50% of full displacement.

An overrunning clutch allows the engine to operate without rotation of the mainelements of starter after the starting cycle is complete. The maximum and minimum camangles are set by stops. The overrunning clutch is a caged, sprag type assemblysupported in anti- friction bearings.

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The clutch allows the engine to accelerate from the starter cut-out speed ( 4000 rpmapproximately ) up to engine idle speed and operate without further rotation of the mainelements of the starter. During overrunning, only the small inner shaft of the starter isdriven by the engine.

The unit is direct mounted to the engine gear box and drives the engine through afloating spline coupling. The starter is self-lubricated by the system fluid. A case drainport is provided and is connected to the reservoir in the accessory skid. The seal drainport is open to a drip pan, but sees no flow under normal operations.

The starter control may be equipped with a "soft start" feature if desired. With this -feature the starter output torque ramps up to maximum level at initiation of the start cycleover a 3 (three) second period. This compares to a build up time of 1.25 second with thestandard control. Operation after this initial condition is unchanged from standard control.This feature is incorporated in starter model 53WK57016-1,53WK57017 and53WK5701 8.

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SECTION 3

INSTALLATION

3-1 HYDRAULIC STARTERS

REFER TO FIGURE 3-1 THROUGH 3-9 FOR HYDRAULIC STARTERINSTALLATION DRAWINGS FOR ENVELOPE AND MOUNTING REQUIREMENTS.rHE DATA TABLES ON BOTTOM OF DRAWING GIVE OPERATING PARAMETERS'FLOW, PRESSURES, AND SPEEDS, ETC.).

Install starters on the engine gear box pads, positioning them so that the starter/ertical centerline is as shown in the applicable starter installation drawing. Check thatJirection of rotation of engine gearbox is the same as the starter. Rotation facing3earbox pad should be same as rotation facing starter cover.

#AUTION: DO NOT LIFT STARTER BY EXTERNAL HOSE OR FITTINGS.

Secure starter to mounting pad with locknut or by lockwiring nuts. Concentricity andingularity of starter coupling connection must be within limits of the mounting padspecification. Pitch and diameter of spline shall run concentrically with pilot diameterWithin 0.006 inch TIR and square with mounting face within 0.004 inch TIR.

Lubricate splined coupling prior to installation per Table 3-2.

3-2 HYDRAULIC INTERCONNECTION

Refer to applicable installation drawings (Figure 3-1 through 3-9 ) for port locationsmd connection of units. Hydraulic lines to~starter must bd large enough to prevent)xcessive pressure drops. If Teflon tape or other point sealants are used at connectingittings, care should be taken to keep sealant from entering system. These sealants clogliter elements causing undue pressure loss and possible system malfunction.

Table 3-1 lists all connecting lines required for plumbing the hydraulic starter.

TABLE 3-1LINE REQUIREMENTS

LINES TO DESIGN FOR MAXIMUN FLUIDSTARTER OPERATING PRESSURE PSIG* TEMPO MAX.HIGH PRESSURE 5300 250LOW PRESURE 900 250CASE DRAIN 100 250

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3-3 CLEANLINESS

CAUTION: TO ENSURE EFFICIENT, TROUBLE-FREE OPERATION OF THEHYDRAULIC STARTER. IT IS IMPERATIVE THAT ALL HYDRAULIC SYSTEMCOMPONENTS AND FLUID BE FREE OF DIRT, WATER, AND OTHERCONTAMINANTS. THE STARTER HAS BEEN THROUGHLY CLEANED AND ALLPARTS SEALED BY THE MANUFACTURER BEFORE SHIPMENT. EXTREME CAREMUST BE TAKEN TO ELIMINATE THE POSSIBILITY OF THE HYDRAULICINTERCONNECTING LINES AND FITTINGS CARRYING CONTAMINATION INTOSYSTEM.

All hydraulic interconnecting lines should be cleaned (steam cleaned, pickled, etc. ) afterall fabrication work (bending, welding, etc.) has been completed.

The system should then be flushed using a separate flush pump with a largefilter. A restrictor valve ( manual shut off ) with jumper hoses, if required,should be installed at starter location. System should be flushed at varyingpressures and flows up to rated conditions. Filter should be checkedperiodically and flushing continued until no contaminates are found in theelement.

All connecting pipe and subassemblies shall be flushed so that a fluid sample,extracted per ISO 4021 and analyzed for contamination per ISO 3938, shall satisfy solidparticle contamination levels per ISO 4406, CLASS 1613.

TABLE 3-2STARTER LUBRICATING TABLE

PART LUBRICANT APLICATIONLUBRICATED TYPE QUANITY METHOD FREQUENCY

SPLINED APPROVED COVER BY HAND AT INSTALLATIONCOUPLING NLGI GRADE SPLINES CHECK, YEARLY

#3 GREASE ADD AS REQUIRED

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21 NOTE:CD 1. PORTS NUMBERED FOR IDENTIFICATION WHEREC INCORPORATED IN HYDRAUUC CIRCUIT.

2. STARTER ROTATION COOUNTER-CLOCKWISEFACING FLANGE, AS SHOWN. 23

C(, 3. THIS UNIT DESIGNED TO MEET THE REQUIREMENTS SEAL DRAIN PORTSET FORTH IN SPEC. MIL-S-901 SHOCKPROOF 1/4 O.D. TUBE PORTEQUIPMENT; CLASS HI (HIGHIMPACT) -GRADE A". 7116 2OUNF 284. THIS STARTER INCLUDES INLET ADAPT ER SAE J514CONVERTING FROM CODE 61 TO 62.

6. CASE DRAIN FITTING ADDED:-. PARKER F60X-12 OR EQUIVALENT.

. . 9 g t 5. 1 8 t wROTATION

:3 --= n+4 - 27+8AEROQUIP CORP. HOSE ASSEMBLY I+ - PARTIAL VIEW A-A

* _PFLANGEAPORTNO.AI0 R 112

9 ~ ~ ~ ~ ~ ~ ~ ~~~~~A 13 SPU FLNG 8

M 32 2~~~~~~~~~~~~~~ AMPAE3 . N 00 YP I- RV

QO 2

(J1 53WK57018 24 800 4500 200 4840 300 2900@ ~~~940282 6.0 MIL-L-17672 20-200 TOOTH LB-FT 595 616 PSIG PSIG GPM 60°F LB-FT RPM RPM 85.0 86.0 |4400!50

T R53WK57017 24 800 4500 200 48.0 300 29009940269 6.0 MIL-L-17672 20-200 TOOTH LB-FT 595 616 PSIG PSG GPM 80°F LB-FT RPM RPM 850 880 4400±50

MODEU DISPL FLUID TEMP. SPLINE SHEAR DRY FULL INLET OUTLET INLET INLET OUTPUT CUTOUT OVERRUNNING DRY FULL COMP

CD ~~PART NO. CU. IN. RANGE SUCTION NMLBNPRESS PRESS FLOW TEMP. TORGUE SPEED SPEED WEIGHT CONTROL |

CD -L _ _ _ I~~~~~~~~~~~I SEhO CO ~ ~ ~ ~ ~ ~~~~~~FAG


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CAD. i]Z 1 NOTE:

1. PORTS NUMBERED FOR IDENTIFICATION WHEREINCORPORATED IN HYDRAULIC CIRCUIT. 2

2. STARTER ROTATION COOUNTER-CLOCKWISE 2-yj PFACING FLANGE, AS SHOWN. 23: Q-. 3. THIS UNIT DESIGNED TO MEET THE REQUIREMENTS 1 .- SEAL DRAIN PORTCO SET FORTH IN SPEC. MIL-S-61 SHOCKPROOF 7116 0.UBF 2P

EQUIPMENT, CLASS Hi (HIGH-IMPACT) GRADE A". ME 37' STRAIGHT THD.:@ - 33 J PER SAE J514

SAE 1" SPLIT FLANGE PORT(USE 0-RING SIZE 219)

DETAIL A'1; - 9 U tl DETAILA a g_ §+JflROTATION

Jp,) -4331+116 _ . - ~~~~~~~~~~~~7g+1 .AEROQUIP CORP. HOSE ASSEMBLY 1 + T _ARTIAL VIEW A-APART NO.M AP66A-4-11 112PERAN

0

0 O_

t.Jl .. 4.O.ATUE PORT

p;~~ ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .1 123N F2+

k SA~~~~~~~~~~~~~~~~~~~~~~~~~~~E 370 STRAIGHT THO.5

C' 4

2 MOUNTING ~~~PAD PER AND 10262f ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~~~~~~~~1,1TYPE XII TO MATE WITH

OUTLET PORT NA 29±~~~~~~~~~~~~~3 -1 MS-3327-OS DRIVE

co

01

-53W7015-4 24 a00 4000 150 41.0 170 4200 3925±5089394 6.0 MIL-L-17672 20-200 TOOTH LB-FT PSIG P510G GPM 80 OF LB-FT RPM RPM6.0 MIL-L17672 20-00 24 S80 4000 150 41.0 1275 3000 ±950

94094 6. MI-L1772 0-00TOOTH LB-FT PSIG P510 GPM 80 OF LB-FT RPM RPM 92MODELI DISPL. FLUID TEMP. SPLINE SHEAR DRY FULL INLET OUTLET INLET INLET OUTPUT CUTOUT OVERRUNNING DRY FULL COMPPART NO. CU. IN. RANGE SUCTION OVERAN PRESS PRESS FLOW TEMPRTORQUE SPEED SPEED WEIGHAT CONTROL

OF TORQUE NOM. LB-IN RATING LOS. MAX PRESSURE PSIG


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23SEAL DRAIN PORT114 OD. TUBE PORT7116 2CUNff29

NOTE: AC37" STRAIGHT THD.1. PORTS NUMBERED FOR IDENTIFICATION WHERE PER SAE J514

INCORPORATED IN HYDRAULIC CIRCUIT.21 2. STARTER ROTATION COOUNTER-CLOCKWISE(0 FACING FLANGE, AS SHOWN..r 2 THIS UNIT DESIGNED TO MEET THE REQUIREMENTS

SET FORTH IN SPEC. MIL-SO1 SHOCKPROOF i ROTATIONEQUIPMENT, CLASS Hi (HIGH-IMPACT) -GRADE A-.

C 4. PORT SHALL BE CLOSED WITH METAL PLUG ANDGASKET SUITABLE FOR OPERATIONAL USE.

PARTIAL VIEW A-A

(n0- 31 .§. AEROQUIP CORP. HOSE ASSEMBLY

-4 31 PART NO. A 1660-4-11 112 7131 63. . /,2.75 MOUNTING PAD AND A

O / j _ DRIVE SPLINE PER 43°t1°

FLANGE TYPE C

0

AIO >X __6UNC-28 7SPLINE DATA:

PER AS4738,

OUTLET PORT _~~~~~NLT OR

> OUTILET PORT Et 3 § ~~~~~~~~~~ 3 § ~~ 5 3i + 1_CIRCULATION SYSTEM INLET PORT_ 7 1g 1 11161I2UNF-2BSTRAIGHTTHREAD

(31 11 g * 6 r -n SEE NOTE 4.

CA

zp S3WKS7008-6 26 800 4300 1S0 55.0 - 300 4000973306 6.0 MIL-L-17672 20-200 TOOTH LB-FT P510 PSIG GPM 80 °F LB-FT RPM 7700 RPM 92.0 4300430693 6.0 MlL-L-17672 20-200 TOOTH LB-FT PStG PSIG GPM 60°F LB-PT RPM 7700 RPM 92.0 4200 ! 50

MODEU DISPL FLUID TEMP. SPLINE SHEAR DRY FULL INLET OUTLET INLET INLET OUTPUT CUTOUT OVERRUNNING DRY FULL COMPt~i PART NO. CU. IN. RANGE SUCTIORQUE N PRESS PRESS FLOW TEM. TOROUE SPEED SPEED WE GHT CONTROL

OD NN~~~~~~0TOQUPOM. LB-INEJ5 RATIN LBS MAXN PRSSR P


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23(D ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~SEAL DRAIN PORT

114 OD. TUBE PORT7116 20UNF 28

NOTE: SAE 3J1 STRAIGHT THD.1. PORTS NUMBERED FOR IDENTIFICATION WHERE PER SAE J514

INCORPORATED IN HYDRAUUC CIRCUIT.2. STARTER ROTATION COOUNTER-CLOCKWISE 2 0- 4X 3-16UNC-28THRU

FACING FLANGE, AS SHOWN. _~~3. THIS UNIT DESIGNED TO MEETTHE REQUIREMENTS 1031SET FORTH IN SPEC. MIL-S-901 SHOCKPROOF ROTATION

-.- EQUIPMENT. CLASS Hi (HIGH-IMPACT) -GRADE A". ¶v §_4. PORT SHALL BE CLOSED WITH METAL PLUG AND 0.515

GASKET SUITABLE FOR OPERATIONAL USE. 1.031PARTIAL VIEW AA

PORT DETAIL B

.CD

31 1 _ 4439 AEROQUIP CORP. HOSE ASSEMBLY1 4 =2 tR 4 33 / PART NO. A 1660-4-11 112 1 7

4.33 7 32±-O+275 MOUNTING PAD AND A

3 SAE 1- SPLITDRIVE SPLINE PER 430 ±1r0

.. ~~~~~~~~~~~~~~~~~~~~~~~~~~A .h. A LNETP S78

CO

SPLINE DATA:26 TOOTH

- 20 .940965 6.0 MIL-L-176 1 20-200 TOOTH LB-FT PSIG I PSIG I GPM 80 °F LB-FT RPM 7700RTYPE C.MOE ISL FUI ER PIEHA DYF INLET | OUTLET|INLETINLETINLET PORT C

PTO CA SAEUI' SPMT FLANGE P. I

112 23 ~ ~ ~ ~ IPORT PER SAE J5`1 a

co T 314 O.D. TUBE PORT I11I16 12UNF 28 SAE 370 STRAIGHT THD.

NAMEPLATE

3 f~~~~~~~~~g 3 ~~~~~~~37 I CIRCULATION SYSTEM INLET PORTOUTLET PORT 7 .1 - 11116 I12UNF-2B STRAIGHT THREAD

SAE 1" SPLIT FLANGE L- 9 3 SEENOTE 4.PORT PER SAE J51lSa14911"

53WK57006.I 26 SW0 4300 15 5.030 40III940365 I6.0 IMI-L-1 7672 2-2001 TTHIL-FT I PSIG IPSIG I P 0 F LBT RPI 70RMII42±5

MODEL/ DISPL. FLUID TEMP. SPLINE SHEAR I RY IFULLI INLET IOUTLET INE IN LE UPTCTU VRUNN R UL CMPART-NO. Cu. IN. RANGE SUCTION PRSSPES FOyTMP ORUESEEHSEDAEIH CNTO

OF TRUNM.L-NRATING*LSMAPRSUEPG


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OPERATION

4-1 OPERATING CONTROLS

The starter control pressure is adjusted at the factory and should not require anyfurther regulating unless the complete control assembly has been removed.

(SEE FIG. 4-1, FOR ENGINE STARTING TORQUE RELATIONSHIPS)

1-2 ENGINE START-UP

Start-up is initiated when the supply pump provides maximum flow and pressure tothe starter. This flow will accelerate the starter ( and engine.) to engine light off speed,and continue to assist the engine after light off to cut-out speed. At cut-out speed thesupply pump must be de-stroked and the supply pump control valve closed. This, intum, stops rotation of the motoring portion of the starter. The clutch integrated in thestarter freewheels and allows the engine to overrun the starter.

4-3 ENGINE CRANKING

Cranking operation is initiated the same way as for engine start-up with the supplysump in the maximum flow and pressure mode. The starter ( and engine ) accelerates:hrough the engine light-off speed, however the engine is not started. The speed willteak and hold at a level where starter input torque and engine drag torque are balanced.rhis condition is sometimes used for water wash, check out engine lube, etc. Normalstart-up operation can be achieved by ignition of the engine at which time acceleration toout-off will occur.

t-4 ENGINE LOW SPEED WATER WASH CYCLE

When this cycle is selected by using the Start Pac pump control valves, the supply)ump provides partial flow to the starter. The starter will crank the turbine at a reducedspeed as desired. This speed is lower than the engine light off speed. Normal start upan be achieved by putting supply pump in maximum flow and pressure mode.

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ENGINE STARTING TORQUE

STARTER-EFFECTIVEa. PRESSUREUr

MpI

PUMP CONTROL STARTER CONTROL

STARTER SzTORQUE|

\ ~~~~CRANKINGIt Xi~~~ OPERATION |

\ | / K ; ~~~STARTER-J\ i / \\ | CUT-OUT

\\SPEEDLOW SPEED ENGINE

lLF (N) / O CRANKIN SELF-SUSTAININGD OPERATIONas

a MIN. TORQUEO IH-F REQUIRED

0 SPEED |

( ) < ENGINE DRAG 0 E EGIN ASSISTING

SPEED, RPM

Figure 4-1. Engine Starting Torque Chart

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SECTION 5

MAINTENANCE

5.1 PREVENTIVE MAINTENANCE

5.2 WEEKLY INSPECTION (IDLE SYSTEM)

A. Inspect all connections at starter for fluid leakage. Tighten all fittings asrequired.

B. Check fluid level at reservoir. Add new, clean hydraulic fluid as required.C. Keep hydraulic starter clean at all times.

5.3 QUARTERLY INSPECTION

A. Perform weekly inspection (idle speed) outlined in paragraph 5.2.B. Check the operation of the hydraulic starter by monitoring engine cranking

(paragraph 4.3). Check that the system high pressure is rated pressureand at starter compensator pressure level given on the installation drawingtable as shaft speed builds up to cranking ( no light off) operation speed.

5.4 ANNUAL MAINTENANCE

Annual maintenance requirements are listed in paragraphs 5-4.1 through 5-4.3.AUTION: WHEN PERFORMING MAINTENANCE ON tHE SYSTEM, TAKE EVERY

PRECAUTION TO PREVENT DIRT, DUST, OR OItHER CONTAMINANTSFROM ENTERING THE SYSTEM.

i-4.1 HYDRAULIC FLUID SAMPLE

JOTE: If facilities are not available to test fluid sample, it is recommended that thesystem fluid be changed every two years.

A. Operate system in the cranking mode for at least five minutes.

B. Draw a sample of fluid from the system. Follow the instructions in HydraulicStart Pac manual which explains the proper method for taking oil samples.

IOTE: System fluid is MIL-H-17672, Grade 2075TH, Mineral base Hydraulic Oil,or other fluids recommended by Dynapower.

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C. Test fluid per applicable specification to determine if viscosity, acidity, watercontent, etc., are within limits for continued use in system.

D. If fluid sample does not meet requirements, drain and refill the system.

5-4.2 LUBRICATION

A. Starter spline drive coupling

NOTE: Do not disconnect hydraulic lines from starter unless necessary for freedomof movement of unit.

1. Remove starter from engine gearbox pad to expose the splinedcoupling.

2. Remove coupling retainer ( 2, Figure 7-1 ) from starter shaft byprying out carefully with a screwdriver.

3. Remove coupling (3, 3A OR 3B) from starter shaft. Clean couplingand shaft cavities of old lubricant.

4. Cover splines liberally with new lubricant per table 3-2.

5. Reinstall coupling in starter shaft, install coupling retainer by tappinginto shaft cavity with a soft head hammer. Retainer will snap intogroove when properly installed.

6. Mount starter on engine gearbox pad and secure with self lockingnuts of lockwire.

5-4.3 SYSTEM OPERATIONAL CHECK

Perform system operational checks as described in paragraph 5-3.

A. Inspect all fittings on starters for leaks. If leaks cannot be stopped bytightening fittings, disconnect fittings and replace preformed packing.

B. Check starters under full load ( cranking the engine ) for vibration andincrease in noise level.

C. If excessive vibration or noise is present, check for loose or broken coverand case bolts. If the trouble cannot be remedied, the unit is internallydefective and must be replaced.

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5-5 TROUBLE SHOOTING

The hydraulic starter is designed and built to provide long, trouble free service.Construction is rugged, and each starter has been adjusted and tested by Vickersto meet operating requirements. Most problems that may occur will be of a minornature and can easily be diagnosed and remedied by service technicians. Table5-1, Trouble Shooting Chart, which follows, can be used to diagnose and remedystarter problems.

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Table 5-1. Trouble Shooting Chart

PROBABLE METHOD OFTROUBLE CAUSE DETECTION REMEDY

Failure of engine 1. Component failure 1. System builds up 1.Replace starter.to rotate (Pres- in starter rotating high pressure butsure does not group or starter pressure is notbuild up to rated control. stable.PSIG.

2. System isolation 2. Manually check 2. Open valves.valves closed handle position(if any). of all valves to be

in the openposition.

3. Excessive leakage 3. Leakage of fluid 3. Check all fittings.at hydraulic at starter. Tighten orfittings. replace fittings.

Leakage at starter 1. Failure of starter 1. Visual presence 1. Replace startershaft seal or shaft assembly or of fluid on external shaft seal orcontrol housing. control gasket. surfaces. control gasket as

outlined inparagraph 5-7.1and 5-7.2.

Leakage at starter 1. Preformed packing 1. Visual presenje 1. Replaceport connection. failure. of fluid on external preformed

surfaces. packing.

System does not 1. Failure of starter 1. Operational check 1. Replace starter.accelerate engine or starter control. of system does notto proper speed. build to proper high

pressure level withsupply pumpoperating.Pressure may beunstable. Systemoperates properlywhen starting otherengine(s). Startermay be excessivelynoisy and vibrate.

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Table 5-1. Trouble Shooting Chart (continued)

PROBABLE METHOD OFTROUBLE CAUSE DETECTION REMEDY

System does not 2. Excessive internal 2. Insert flow meter 2. Replace starter.accelerate engine leakage in starter in case drain lineto proper speed. causing excessive between starter(CONT'D) loss of fluid from and Hydraulic Start

system Pac, flow should betransmission loop. less than two (2)

G.P.M.

3. Starter control set 3. System is sluggish 3. Check fortoo high/system during start up, with excessivepressure level too slow engine pressure droplow. Starter re- acceleration. No in system lines.duces displace- defined change Causes maybement before full from pump control dirty filter, valvesystem flow speed pressure level to partially closed,is attained result- starter control excessive lineing loss of torque pressure level is loss due toand marginal observed. cold fluid,performance. fittings, etc.

Raise supplypump controlsetting, reliefvalve setting,lower startercontrol.

4. Starter control set 4. Engine acceleration 4. Raise startertoo low. Pressure good until full control setting.level and torque system flow speedlow during full is attained, atsystem flow speed which time anrange. excessive drop in

system pressure isnoted with a lossof performance.

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5-6 STARTER PRESSURE COMPENSATOR CONTROL ADJUSTMENT USING ADYNAMOMETER.

A. Refer to proper installation drawing, Figure 3-1 to 3-4, for rated pressures.

B. Loosen jam nut (25, Figure 7-2 and adjust setscrew (26) with conditions asfollows.

1. Provide rated starter flow and pressure from supply pump.

2. Limit fluid temperature to 1400F.

C. Adjust starter load to limit shaft speed to value approximately 1000 RPMabove light off speed. This speed will use full flow from supply pump.Adjust setscrew (26) for proper inlet pressure (compensator control setpressure.

D. Check starter control for stability over starter speed range of 1000 RPM tomaximum obtainable by varying load on output shaft.

5-7 REPAIR OF HYDRAULIC STARTER

CAUTION: THE HYDRAULIC STARTERS HAVE BEEN ADJUSTED AND TESTED BYVICKERS TO MEET OPERATING REQUIREMENTS. FAILURESISOLATED TO THE HYDRAULIC STARTER SHOULD BE CONSIDERED ACOMPONENT FAILURE AND RETURNED AS A COMPONENT FORREPAIR TO ITS ORIGINAL CONDITION.

5-7.1 HYDRAULIC STARTER-REPLACEMENT OF SHAFT SEAL ASSEMBLY

(See Figures 5-1 through 5-4)

NOTE: For replacement of the shaft seal assembly on the hydraulic starter, use KitPart No. listed in table 6-1.

A. Disconnect all hydraulic lines at the starter. Plug the ports and cap the linesto prevent dust or dirt from entering the hydraulic system.. Tag the fittingson the hydraulic lines with their respective pump port numbers to insureproper connection.

B. Remove the starter from its mounting pad and place it on a clean workbench.

C. Use a screwdriver to release the coupling retainer, remove the splinecoupling. (See Figure 5-1).

D. Remove safety wire from the shaft seal retainer socket head mounting headbolts.

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Figure 5-1. Removing Coupling Retainer Figure 5-2. Removing Shaft Seal Retainerand Spline Coupling (Hydraulic Starter) (Hydraulic Starter)

RETANER SAT

FACE SEAL &RETAbJNING RING

GASKET Be

Figure 5-3. Removal/Replacement Face Seal Figure 5-4. Shaft Seal Assembly Removedand Spring Assemblies (Hydraulic Starter) (Hydraulic Starter)


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E. Remove four 1/4" socket head mounting bolts and washers and removeshaft seal retainer, gasket and preformed packing assembly.

F. Remove the shaft seal and the spring and spring seat from shaft.

G. Discard all parts removed except the shaft seal retainer, mounting blots andwashers.

H. Assemble the new spring and spring seat with the shaft seal and place theassembled parts on the starter shaft.

I. Lubricate the preformed packing and its retainer with hydraulic fluid andposition it in the shaft seal retainer.

J. Lubricate the new gasket with hydraulic fluid and position it on the shaft sealretainer.

K. Install the shaft seal retainer, gasket, and preformed packing assembly onthe starter shaft with the four mounting bolts and washers. Tighten themounting bolts to 125 inch lbs. torque and lockwire.

L. Clean the internal spline and spline coupling and grease with "Plastilube".

M. Install the spline coupling and coupling retainer.

N. Mount the starter on its mounting pad.

0. Examine preformed packings in hydraulic interconnection fittings, replacingany that show signs of wear or deterioration.

P. Reconnect all hydraulic lines.

a. Operate the starter and inspect fittings for leaks. Tighten as required.

5-7.2 HYDRAULIC STARTER - REPLACEMENT OF COMPENSATING CONTROLGASKET.

(See Figure 5-5 and 5-6).

NOTE: For replacement of compensating control gasket on hydraulic starter, useKit Part No. listed in table 6-1..

A. Remove the hydraulic starter from its mounting pad as described inparagraph 5-7.1, steps A and B.

B Remove the sensing tube (5, Fig. 5-6). Replace if damaged.


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Figure 5-5. Removing Retaining Rings and Clevis Pin, Hydraulic Starter Compensating Control

5 <_ 2

3 4 ~ ~ ~ t

1. HYDRAULIC STARTER HOUSING 5. SENSING TUBE2. COMPENSATING CONTROL HOUSING 6. GASKET3. RETAINING RING 7. MOUNTING BOLTS (6)4. CLEVIS PIN AND RETAINING RING

Figure 5-6. Compensating Control Removed from Hydraulic Starter

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C. Remove the six socket head bolts and lockwashers (5) that mountcompensating control to the hydraulic starter housing.

D. Break the gasket seal between the starter housing and the compensatingcontrol assembly.

E. Lift the compensating control assembly and turn it sideways to expose theclevis pin and retaining ring. (See Figure 5-5).

CAUTION: BEFORE REMOVING THE RETAINING RING AND CLEVIS PIN, PLACE ACLEAN CLOTH OVER THE STARTER OPENING TO PREVENT THESESMALL PARTS FROM FALLING INTO THE STARTER HOUSING.

F. Remove the retaining ring (3, Fig. 5-5/5-6) and push out the clevis pin (7)with one retaining ring attached.

G. Lift the compensating control away from the starter housing.

H. Remove the gasket (6).

1. Thoroughly clean the mounting surfaces of the compensating control andstarter housing.

J. Discard the old gasket (6) and the retaining ring (3).

K. Apply a thin coating of lubricating fluid on a new gasket and position it onthe starter.

L. Position the compensating control assembly on the starter housing.

CAUTION: BEFORE INSTALLING THE CLEVIS PIN AND RETAINING RINGS, COVERTHE STARTER OPENING WITH A CLOTH TO PREVENT THESE SMALLPARTS FROM FALLING INTO THE STARTER HOUSING.

M. Push the clevis pin through the clevis and install the second retaining ringwith the retaining ring installation tool. Make sure the retaining ring isseated in the groove of the clevis pin.

N. Remove the cloth covering the opening in the starter housing.

0. Secure the compensating control assembly to the starter housing with thesix socket head bolts and lockwashers. Tighten the bolts to 85 inch lbs.torque.

P. Install the sensing hose.

Q. Install the starter on its mounting pad and reconnect hydraulic lines asdescribed in paragraph 57.1, steps N through Q.

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S-7.3 HYDRAULIC STARTER - REPLACEMENT OF TRUNNION COVER GASKET

(See Figure 7-1, Item No. 29)

MOTE: For replacement of trunnion gasket on starter, use gasket Part No. 940320.

A. Remove four (4) socket head cap screws (28 or 28A, Figure 7-1.) holdingtrunnion cover (27) to starter housing (31).

B. Remove trunnion cover and trunnion gasket; discard gasket.

C. Lubricate a new trunnion gasket and position it on the starter housing.

D. Replace trunnion cover on the starter houcing with the four (4) socket headcap screws. Tighten screws to 132 inch lbs. torque. Lockwire screws.



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SECTION 6

REPAIR AND REPLACEABLE PARTS

-1 LIST OF RECOMMENDED REPAIR AND REPLACEABLE PARTS

KIT NUMBER NOMENCLATURE MAINT. QTY. END USE

914864 KIT, Sealing 1 53WK57016-1914865 KIT, Sealing 1 53WK57017914866 KIT, Sealing 1 53WK57018914862 KIT, Sealing 1 53WK57015-4914859 KIT, Sealing 1 53WK57008-4914875 KIT, Sealing 1 53WK57004-4914860 KIT, Sealing 1 53WK57008-5914859 KIT, Sealing 1 53WK57008-6



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SECTION 7

ILLUSTRATED PARTS BREAKDOWN

7-1 GENERAL

This section of the manual contains an Illustrated Parts Breakdown for HydraulicStarter Assemblies: Part Nos. 939699. 940281, 940282, 893934, 940693, 940694,940695 and 973306 with Starter Controls: Part Nos. 940283 and 940690. All startersare of the same basic design as illustrated in the exploded view with changes limited topad and port configurations.

All part numbers listed for the hydraulic starter and control are Vickers part numbers.A drawing number has not been assigned for parts listed as "No Number" in the partnumber column.

The exploded views and parts list are provided for reference only, as this technicalmanual does not include instructions for disassembly or overhaul of the starter or control.Although most parts are common for a 53WK570 series starters, there are slightvariations, depending upon the exact model number

Explanation of Effectivity Codes

Difference between two or more similar assemblies listed in the Detail Parts List -are indicated in the Effectivity Code column by the use of code letters as shown in'the accompanying Effectivity Code Table.

The letters in the Effectivity Code column identify detail parts and subassemblieswhich are used in the Hydraulic Starter Assemblies indicated by the same letter.Parts and subassemblies for which the Effectivity dode column is blank arecommon and used in all Hydraulic Starter Assemblies listed.

EFFECTIVITY CODE TABLE

Hydraulic Starter AssembliesPART NUMBER MODEL NUMBER EFFECT CODE

939699 53WK57016-1 A940281 53WK57017 B940282 53WK57018 C893934 53WK57015-4 D940693 53WK57008-4 E940694 53WK57004-4 F940695 53WK57008-5 G973306 53WK57008-6 H

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EFFECTIVITY CODE TABLE (cont'd)

Starter Compensator ControlPART NUMBER EFFECT CODE

940283 A940690 B

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55~~~~~~-911~~~~~~~~~~~73A~~~~~4

242

99~~~~~~~~~~~~~~~~~~~~19

5319 4~~~~~~~449~~~8

3B ~ ~ ~ ~ ~ ~ ~~~2 28

FiurA-1Tpca 3Aral DispAceetStre34EpoddVe

3 32~ ~ ~~~~~~~~~~ae-


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Fig. & Units UsableIndex Description Per OnNo. Part No. 1234567 Assy Code

1 939699 Starter, Hydraulic, Variable Displacement AModel 53WK57016-1

1A 940281 Starter, Hydraulic, Variable Displacement BModel 53WK57017

1 B 940282 Starter, Hydraulic, Variable Displacement CModel 53WK57018

1C 893934 Starter, Hydraulic, Variable Displacement DModel 53WK57015-4

1 D 940693 Starter, Hydraulic, Variable Displacement EModel 53WK57008-4

1 E 940694 Starter, Hydraulic, Variable Displacement FModel 53WK57004-4

1 F 940695 Starter, Hydraulic, Variable Displacement GModel 53WK57008-5

1 G 973306 Starter, Hydraulic, Variable Displacement HModel 53WK57008-6

2 940348 RETAINER, Coupling 13 940347 COUPLING, Drive 1 A,B,F3A 936800 COUPLING, Drive I 1 D3B 935575 COUPLING, Drive 1 E,G,H4 940283 ASSEMBLY, Control, Starter, Compensator 1 A,B,C

(See Figure 7-2 for Exploded View)4A 940690 ASSEMBLY, Control, Starter, Compensator 1 D,E,F,

(See Figure 7-2 for Exploded View) G,H(ATTACHING PARTS)

5 940326 PIN, Clevis 16 940542 RING, Retainer 27 939840 SCREW, Socket Head Cap 2 A,B,C,

(NAS1352N4H12) D,FG7A 935370 SCREW, Socket Head Cap 2 E,H

(NAS1352-4H1-2P)8 939800 SCREW, Socket Head 2 A,B,C,

Cap(NAS1353N4H32) D,FG8A 935371 SCREW, Socket Head Cap 2 E,H

(NAS.1353-4H32P)

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No. Prtn No. 1246 Ass~; s{ uy Code

9 939801 SCREW, Socket Head Cap 2 A,B,C,(NAS1352N4H64) D,G,F

9A 935372 SCREW, Socket Head Cap 2 E,H(NAS1352-4H64P)

10 920547 WASHER, Plain 6

11 940352 Gasket, Starter CompensatorControl 112 940191 PLATE, Valve 113 940674 FITTING, Adjustable 114 940607 PREFORMED, Packing 215 940682 PREFORMED, Packing 216 940683 PREFORMED, Packing (Not shipped with 2 A,G

unit, order as spare part)16A 940601 PREFORMED, Packing (Not shipped with 2 B,C,D,

unit, order as spare part) F17* No Number COVERASSEMBLY, Starter 1

(ATTACHING PARTS)18 935253 SCREW, Socket Head Cap 2 A,B,C,

(NAS1352-6H20P) D,F18A 939796 SCREW, Socket Head Cap 2 E.G,H

(NAS1352N6H20)19 935369 SCREW, Socket Head Cap 4 A,B,C,

(NAS1352-6H44P) D,F19A 939797 SCREW, Socket Head Cap 4 E,G,H

(NAS1352N6H44)*

20 940184 COVER, Starter 121 940656 BEARING, Roller 1

22 940518 GASKET, Cover 1

23* No Number LEVER ASSEMBLY, Cam Control 1(ATTACHING PARTS)

24 940580 SCREW, Socket Head Cap (NYLOK) 2

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25 940356 LEVER, Cam Control 126 940328 PLUG, 1/4 inch OD Tube Port27 940473 TRUNNION, Cam 2


(NAS1352-4H1-4P) D,F28A 939799 SCREW, Socket Head Cap 8 E,G,H

(NAS1352N4H14)*

29 940320 GASKET, Trunnion Cover 230 940319 BEARING, Cam Thrust 231 940183 HOUSING, Starter 1


(NAS1352-5H20P) D,F32A 939803 SCREW, Socket Head Cap 8 E,G,H

(NAS1352N5H20)33 920004 WASHER 8 A,B,C,

.I D,F33A 939804 WASHER 8 E,G,H

*

34 940201 BLOCK, Cylinder 135 940370 PLATE, Piston Return 1 A,B,C,

D,F35A 940735 PLATE, Piston Return 1 E,G,F

(ATTACHING PARTS)36 940557 BOLT, Finished Hex 437 940374 WASHER, Tab Lock 438 940512 CLIP, Return Plate 2


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N. Part No. 1 234 567 Assy Code

39 940511 BEARING, Return Plate Guide 2*

40 940383 SPACER, Guide 4

41 940310 PISTON ASSEMBLY 9

42 940475 PLATE, Cam Wear A,B,C

42A 940376 PLATE, Cam Wear 1 D,F

42B 843095 PLATE, Cam Wear 1 E,G,H

43 940186 CAM 1

44 940573 BEARING, Trunnion 2

45 940538 PIN, Roll 1

46 940545 RING, Retaining 1

47 940318 RETAINER, Spring, Outer 1

48 940317 SPRING, Block, Cylinder 1

49 940465 RETAINER, Spring Shaft 1

50 940346 PLATE, Seal 1

(ATTACHING PARTS)

51 935053 SCREW, Socket Head Cap I 4 A,B,C,(NAS1352-4H10P) D,F

51A 939798 SCREW, Socket Head Cap 4 E,FG(NAS1352N4H10)

52 920547 WASHER 4 A,B,C,D,FG

52A 939805 WASHER 4 E,H

53 940357 GASKET, Plate Seal 1

54 940625 SEAL, Starter Shaft 1

55 940235 SHAFT, Starter 1

7o5-56 No Number SHAFT, Inner Race Assembly q92 Y55 1

57* 940382 SHAFT, Inner Race 1

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58* 940597 BEARING, Ball 159* 940380 SPACER, Bearing 160* 940599 CLUTCH, One Way 161 * 940379 SPACER, Bearing 162* 940598 BEARING, Ball 163 940378 SPRING, Bearing Pre load 164 940381 RETAINER, Bearing 165 940345 BEARING, Thrust 166 940671 PREFORMED, Packing 167 940355 PLATE, Cam Stop 1 A,B,C,

E, FG,H

67A 843135 PLATE, Cam Stop 1 D(ATTACHING PARTS)

68 940549 BOLT, Finished Hex 269 940374 WASHER, Tab Lock

70 940541 PIN, Roll 171 940360 STOP, Starter Cam 1 A,E,F,

G,H71A 843208 STOP, Starter Cam 1 BDC718B 843150 STOP, Starter Cam 1 D

(ATTACHING PARTS)72 940555 Bolt, Finished Hex 273 940331 WASHER, Tab Lock 2

74 940299 FLANGE, ASSEMBLY, Starter 1 A,B,C,D,F

74A 940298 FLANGE, ASSEMBLY, Starter 1 E,G,H75* 940277 FLANGE, Starter 1 A,B,C,

D,F


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Fig. & Units Usable.Index Description Per OnNo. Part No. 1234567 Assy Code

75A* 940207 FLANGE, Starter 1 E,G,H76* 940539 PIN, Roll 277* 940394 RETAINER, Bearing 178* 940192 PIN, Roll 179 940596 BEARING, Roller 180 935756 PLATE, Identification 1

(ATTACHING PARTS)81 920870 SCREW, Drive 4 A,C,D81A 940158 SCREW, Drive 4 B,E,F,

G,H

82 935607 PLUG, Hollow Hex 183 940610 PREFORMED, Packing 1 A,B,C84 854124 ADAPTER, Inlet Port 1 A,B,C85 935253 SCREW, Socket Head 4

(NAS1352-4H 10P)86 940620 LOCKWASHER 487 940368 ADAPTER, Inlet Port I 1 D,FG88 935253 CAP, Screw 4

(NAS1352-4H10P)89 940354 ADAPTER, Outlet Port 1 D,H90 935768 SCREW, Socket Head 4

(NAS1352-6H.16P))91 871219 PREFORMED, Packing 192 940315 PLATE, Shipping 193 940316 GASKET, Shipping 194 940620 BOLT, Shipping Plate 495 940620 BOLT, Shipping Plate 496 940315 PLATE, Shipping 1

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97 940316 GASKET, Shipping 1

98 871967 STRAIGHT, Thread Adapter 1 A,B,C99 940686 PREFORMED, Packing 1

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46A5

_46 43 c

24

39~~~~~~~~4

31~~~~~~~~3

26j~~~~~~~~~~~~~~~Pg 7-11

32 ~ ~ ~ 42;

28~~~~~~~~~~~~~~

18 42 173

24~~~~~~~~

1 7 ~ Pg 71


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1 940283 CONTROL, Starter Compensator REF A(See Figure 7-1, item 4 for NHA)

1A 940690 CONTROL, Starter Compensator REF B(See Figure 7-1, item 4A for NHA)(ATTACHING PARTS)

2 940626 . HOSE ASSEMBLY 13 935372 . SCREW, Socket Head Cap REF A

(NAS1352-4H64P)3A 939801 . SCREW, Socket Head Cap REF B

(NAS1352N4H64)4 935370 . SCREW, Socket Head Cap REF A

(NAS1352-4H1-2P)4A 939840 . SCREW, Socket Head Cap REF B

(NAS1352N4H112)5 935371 . SCREW, Socket Head Cap REF A

(NAS1352-4H32P)5A 939800 . SCREW, Socket Head Cap REF B

(NAS1352N4H32)6 920547 . WASHER, Plairi 67 940542 . RING, Retaining 28 940326 PIN, Clevis 29 940352 . GASKET, Starter Control 1

10 940302 . . FITTING ASSEMBLY 1No Number ... FITTING, Tube 1No Number ... PIN, Roll 1

11 940367 . . PLUG, Pressure Reducer 112 940608 . . PREFORMED, Packing 113 940366 . . STOP, Pressure Reducer 114 940365 . . SPRING, Pressure Reducer 115 940364 . . SEAT, Spring 116 940363 . . SPOOL, Pressure Reducer 117 940622 . . PLUG, Pipe 1

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No. Part No. 1246 Assyzv Code sS

18 940362 CAP, End 1

(ATTACHING PARTS)

19 935070 SCREW,'Socket Head Cap 3 A

19A 939839 SCREW, Socket Head Cap 3 B

20 940372 GASKET, Booster 1

21 940586 PIN, Dowel 1

22 940373 .. SPACER 1

23 843249 SPOOL, Valve 1 A

23A 940358 SPOOL, Valve 1 B

24 940359 SLEEVE, Valve 1

25 940612 RING, Retaining 1

26 940587 NUT, Jam 1

27 940615 SCREW, Set 1

28 940350 COVER, Cylinder 1

(ATTACHING PARTS)

29 935063 SCREW, Socket Head Cap 6 A

29A 939799 SCREW, Socket Head Cap 6 B

30 920547 WASHER, Plain 6 A

30A 939805 WASHER, Plain 6 B

31 940361 GASKET, Cylinder Cover 1

32 940342 RETAINER, Spring 8

33 940591 PREFORMED, Packing 1

34 940341 SPRING, Control 1

35 940329 RETAINER, Spring, Front 1

36 940630 NUT, Self-locking 1

37 940570 WASHER, Plain 1

38 940332 PISTON, Actuator 1

39 940592 PREFORMED, Packing 1

40 940602 RING, Piston 1

41 940300 ROD ASSEMBLY, Control 1

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42 940353 . . PLUG, Orifice 143 940621 . . PLUG, Pipe (flush seating, 1/8") 144 940209 . . HOUSING ASSEMBLY, Control 1

940208 ... HOUSING, Control 1940218 ... BUSHING, Control 1940416 ... BUSHING, Control 1

45 940402 . . NAMEPLATE, Control 146 920870 . . SCREW, Drive 4 A46A 940158 . . SCREW, Drive 4 B

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TEICAL MANUAL FOR TURBINE ENGINE …...The hydraulic starter is used to start gas turbine engines....

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