New Holland E385B Operational Priciple

OPERATIONAL PRINCIPLE

OPERATIONAL PRINCIPLE E385B

SECTION AND GROUP CONTENTS

Section 1 GENERALGroup 1 Specifications

Section 2 SYSTEMGroup 1 Mechatro Control SystemGroup 2 Hydraulic SystemGroup 3 Electrical System

Section 3 COMPONENT OPERATIONGroup 1 Hydraulic Pump AssyGroup 2 Pilot ValveGroup 3 Control ValveGroup 4 Swing DeviceGroup 5 Travel DeviceGroup 6 Swing JointGroup 7 CylindersGroup 8 Air Conditioner

SECTION 1 E385B

GENERAL

CONTENTS

Group 1 - SpecificationsMain components .............................. T1-1-1Hydraulic components ...................... T1-1-5Excavator performance ..................... T1-1-8Digging data (Monoblock Version).... T1-1-9Digging data (Triple Articulation Version) ............................................. T1-1-10Digging data (BEH Version).............. T1-1-11Transporting dimensions (Monoblock Version).......................... T1-1-12Transporting dimensions (Triple Articulation Version) ............... T1-1-13Transporting dimensions (BEH Version).................................... T1-1-14Bucket applications as a function of the arms ........................................ T1-1-15

T1-1-1

SPECIFICATIONS E385B

MAIN COMPONENTS

SM1767

1

2

3

4

5

6

7

8

9

10 1112

13

14

15

16

18

19

17

2021222324

25

26

27

29

28

1 - Bucket2 - Bucket link3 - Idler link4 - Bucket cylinder5 - Arm6 - Arm cylinder7 - Boom8 - Boom cylinder9 - Cab10 - Swivel joint

11 - Swing motor12 - Fuel tank13 - Hydraulic oil tank14 - Control valve15 - Engine muffler16 - Hydraulic pump17 - Engine18 - Counterweight19 - Engine radiator20 - Travel motor

21 - Track link22 - Batteries23 - Upper roller24 - Track guide25 - Lower roller26 - Air cleaner27 - Crawler adjuster28 - Front idler29 - Shoe plate

E385B SPECIFICATIONS

T1-1-2

Main Components – Upper Structure

1

2

43

6

5

7

8

SM1768

1 - Control Cab2 - Proportional Solenoid Valve Block3 - Radiators4 - Engine

5 - Hydraulic Pump6 - Control Valve7 - Swing Motor Unit8 - Center Joint

T1-1-3


Main Components – Under Carriage

section A - A

12

3

SM0013

4

5

1 - Right Travel Motor Unit2 - Left Travel Motor Unit3 - Center joint

4 - Swing Gear5 - Front Idler Assy


T1-1-4

Main Components – Front Attachment

SM0014

1

2

3

1

2

3

4

5

6

7

78

1 - Boom cylinder2 - Arm cylinder3 - Bucket Cylinder4 - Positioning Cylinder (Triple Articulation

Version)

5 - Monoblock Boom6 - Boom (Triple Articulation Version)7 - Arm8 - Positioner (Triple Articulation Version)

T1-1-5


HYDRAULIC COMPONENTS

HYDRAULIC PUMP

NOTE: The max. input power and the max. input torque of the main pump include those of the gear pump.

Item Main pump Gear pump for pilotPump K5V140DTP1KLR-YTOK-HV ZX10LGRZ2-07G

TypeVariable displacement plunger pump: regulator attached type

Fixed displacement type gear pump

Max. displacement capacity cm3 140 x 2 10

Revolution Rated

rpm(Clockwise seen from shaft end)

2100 ←

PressureRated

MPa (psi)34.3 (4980)

5.0 (725)ATT boost 37.8 (5480)

Max. flow L/min (gal/min)

294 (78) x 2 at 7.8 MPa(1130 psi)

21 (5.5)

Max. input Power (at 2000 rpm) kW (PS) 195 (265) 3.4 (4.6)

Max. input torque (at 1200 rpm)

N m(lbf·ft) 886 (653) 14.7 (10.8)

Regulator

Model KR3S-YTOK-HVControlfunction

Electric flow control, positive flow control, total power control at emergency mode and power shift control

OthersWith solenoid proportional reducing valve (KDRDE5K-31/

30C50)Mass kg (lbs) 143 (315)

CONTROL VALVEItem STD VALVE

Model KMX15YD / B44071

Max. flow rate L/min(gal/min) 294 (78) x 2

Main relief valve set pressure MPa 34.3 (4970) at 135 x 2 L/min (35.7x2 gal/min)When power boost pressure 37.8 (5480) at 125 x 2 L/min (33x2 gal/min)

Over load relief valve set pressure MPaBoom H, Bucket H, Arm R (psi) 39.7 (5760) at 30 L/min (8 gal/min)Boom R, Bucket R, Arm H 37.8 (5480) at 30 L/min (8 gal/min)

Mass kg (lbs) 235 (518)

Item OPT VALVEModel KADV22Y / 501103AOver load relief valve set pressure MPa

Positioner R (psi) 39.7 (5760) at 30 L/min (8 gal/min)Positioner H 37.7 (5480) at 30 L/min (8 gal/min)

Mass kg (lbs) 11 (24.2)


T1-1-6

PILOT VALVEATTACHMENT TRAVEL

Model PV48K2004 6TH6NRZPrimary pressure 5.0 MPa (725 psi) 4.9 MPa (710.5 psi)

Secondary pressure0.6 ~ 3.2 MPa(87~464 psi)

0.54 ~ 2.35 MPa(78.3~340.7 psi)

Rated flow 20 L/min (5.3 gal/min) 25 L/min (6.6 gal/min)Mass Approx. 2 kg (4.4 lb) Approx. 8 kg (17.6 lb)

SWING MOTOR UNIT

Hyd

rayl

ic m

otor

Model M5X180CHB–10A–60C/295

TypeSwash-plate type, fixed-displacement plunger

motor

Displacement cm3 (in3) 180.1 (11.0)

Working pressure MPa (psi) 32.4 (4700)

Max. flow L/min(gal/min)

294(78)

Braking torque Nm (lbf·ft) 860~1121 (634~827)

Release pressure MPa (psi) 2.4~5.0 (348~725)

Relief set pressure MPa (psi) 29 (4205)

Mass kg (lbs) 72.5 (160)

Antireactionvalve block

Type 2KAR6P72/240-712

Mass kg (lbs) 2.5 (5.5)

Hydraulic motor assy mass kg (lbs) 75 (165)

Red

uctio

n un

it

Speed reduction type Planetary 2-stage

Reduction ratio 27.143

Lubicate oil Gear oil SAE90 (API class GL–4 grade)

Lubicate oil volume L (gal) 7.4 (1.96)

Grease Extreme pressure lithium base # 2 grease

Grease volume kg (lbs) Approx. 1.7 (3.7)

Mass kg (lbs) 364.8 (804.4)

Total mass kg (lbs) Approx. 440 (970.2)

T1-1-7


TRAVEL DEVICE

Reduction gear unit Epicycloidal, two-stage planetary type

Gearbox ratio 40.467

Travel motor Two speed, axial piston swash plate type

Model M4V290/170F-RG6.5F

Displacementhigh speed 290.7 cm3/rev

low speed 170.1 cm3/rev

Max. flow 370 L/min (98 gal/min)

Max. gearbox output torquehigh speed 37600 Nm (27730 lbf·ft)

low speed 64260 Nm (47392 lbf·ft)

Parking brake torque 902 Nm (665 lbf·ft)

Min. pressure parking brake release 1.54 MPa (223 psi)

Relief valve set pressurecracking 35.8~37.8 MPa (5191~5481 psi)

total flow 34.3 MPa (4974 psi)

Mass 399 kg (880 lbs)

CYLINDERS

UseCylinder bore /

Rod Dia.

(mm)

Stroke

(mm)

Center distanceof pins

Full extend B /Full retract A

(mm)

Cushion Mass

kg (lbs)

Boom Ø 140 / Ø 100 1550 3651 / 2101 With cushionon rod side 295 (650)

Arm Ø 170 / Ø 120 1788 4281 / 2493 With cushionon both sides 504 (1111)

Bucket Ø 145 / Ø 95 1250 3085 / 1835 With cushionon rod side 257 (566)

Bucket(BEH version)

Ø 150 / Ø 100 1250 3085 / 1835 With cushionon rod side 270 (595)

Positioning Ø 170 / Ø 110 1334 3355 / 2021 Without cushion 392 (864)


T1-1-8

EXCAVATOR PERFORMANCE

GRADEABILITY ......................................................................................................................................... 70%

TRAVEL SPEED

ENGINE DATA

MAIN SPECIFICATIONS- Manufacturer ....................................................................................................................... HINO MOTORS- Model ........................................................................................................................................EB-J08E-TM- Type ..................................................................................... Diesel, 4 stroke, direct injection, turbocharged- Number of cylinder ...........................................................................................................................6 in-line- Bore ................................................................................................................................................. 112 mm- Stroke............................................................................................................................................... 130 mm- Total displacement .........................................................................................................................7684 cm3

- Compression ratio .................................................................................................................................. 18:1- Net power at flywheel (at 2100 rpm) (ISO 14396/ECE R120)........................................................... 209 kW- Torque (at 1600 rpm) ........................................................................................................................998 Nm- Engine idle at no-load .................................................................................................................... 1000 rpm

INJECTION PUMP- Type ................................................................................................................. High pressure Common Rail- Injection order ............................................................................................................................. 1-4-2-6-3-5

BATTERY- Voltage - Capacity............................................................................................................. 2 x 12 V - 160 Ah

STARTER MOTOR- Manufacturer ............................................................................................................................... SAWAFUJI- Voltage - Output .......................................................................................................................... 24V - 5 kW

ALTERNATOR- Manufacturer ............................................................................................................................... SAWAFUJI- Type .................................................................................................................................................. JP0146- Voltage - Output ............................................................................................................................ 24V - 60A

ExcavatorE385B

SpeedFirst speed 3.3 km/hSecond speed 5.6 km/h

T1-1-9


DIGGING DATA (Monoblock Version)

(Dimensions in mm)

Arm 2330 2600 3300 4150

A 10300 10600 11200 11930

A’ 10090 10390 11000 11740

B 6510 6780 7480 8330

B’ 6300 6600 7320 8190

C 10100 10360 10550 10740

D 6970 7200 7390 7600

E 4410 4500 4370 4430

NH0504

D

B‘

C

B

E

A‘

A


T1-1-10

DIGGING DATA (Triple Articulation Version)

(Dimensions in mm)

Arm 2330 2600 3300 4150

A 10376 10671 11304 12077

A’ 10153 10455 11101 11887

B 5981 6269 6937 7751

B’ 5873 6165 6842 7665

C 12022 12315 12821 13422

D 8738 9047 9554 10142

E 3050 3007 2784 2980

NH0505

D

B‘

C

B

E

A‘

A

T1-1-11


DIGGING DATA (Version BEH)

(Dimensions in mm)

Arm 2150

A 9470

A’ 9230

B 5660

B’ 5460

C 9730

D 6550

E 3830

NH0506

D

B‘

C

B

E

A‘

A


T1-1-12

TRANSPORTING DIMENSIONS (Monoblock Version)

Arm: (dimensions in mm)(1) 2330 mm(2) 2600 mm(3) 3300 mm(3) 4150 mm

(*) With arm 3300 mm and bucket 1.6 m3

VERSIONS A B C D E F G H I L

E385BEL 4048 4959 1183 3500

(1) 11372 (1) 3656

2950 3195 1047 528(2) 11271 (2) 3615(3) 11177 (3) 3349(4) 11213 (4) 3484

E385BLC 4048 4959 1183 3500

(1) 11372 (1) 3656

2950 3195 1047 528(2) 11271 (2) 3615(3) 11147 (3) 3349(4) 11213 (4) 3484

E385BEL E385BLC

M Track shoe width (mm) 600 700 800 600 700 800 900

N Gauge (mm) 2990 3090 3190 3190 3290 3390 3490

(*) Working weight (kg) 35656 36117 36607 35739 36200 36690 37180

Spec. ground pres. (bar) 0.72 0.62 0.55 0.72 0.62 0.55 0.50

M

N

L

G

A

B

C

D

E

FH

I

NH0500

T1-1-13


TRANSPORTING DIMENSIONS (Triple Articulation Version)

Arm: (dimensions in mm)(1) 2330 mm(2) 2600 mm(3) 3300 mm(3) 4150 mm

(*) With arm 3300 mm and bucket 1.6 m3


E385BEL 4048 4959 1183 3500

(1) 11314 (1) 3373

2950 3195 1047 528(2) 11204 (2) 3388(3) 11167 (3) 3344(4) 11190 (4) 3629

E385BLC 4048 4959 1183 3500

(1) 11314 (1) 3373

2950 3195 1047 528(2) 11208 (2) 3388(3) 11167 (3) 3344(4) 11190 (4) 3629

E385BEL E385BLC

M Track shoe width (mm) 600 700 800 600 700 800 900

N Gauge (mm) 2990 3090 3190 3190 3290 3390 3490

(*) Working weight (kg) 36244 36706 37196 36328 36789 37279 37769

Spec. ground pres. (bar) 0.73 0.63 0.56 0.73 0.64 0.56 0.51

M

N

L

G

A

B

C

D

E

FH

I

NH0501


T1-1-14

TRANSPORTING DIMENSIONS (BEH Version)

(dimensions in mm)


E385BEH 4048 4959 1183 3500 10655 3798 2950 3195 1047 528

E385BEH

M Track shoe width (mm) 600 700 800

N Gauge (mm) 2990 3090 3190

(*) Working weight (kg) 35388 35849 36339

Spec. ground pres. (bar) 0.71 0.62 0.55

M

N

L

G

A

B

C

D

E

FH

I

NH0502

T1-1-15


BUCKET APPLICATIONS AS A FUNCTION OF THE ARMS E385B Monoblock

E385B Triplice Articolazione

General digging work (specific weight of material < 1.8 t/m3)

Slightly heavy digging work (specific weight of material < 1.5 t/m3)

Loading work (specific weight of material < 1.2 t/m3)

BUCKETS E385BEL E385BLC

Width(mm)

Capacity (dm3)

SAE J296(ISO 7451)

Mass(kg)

Arm (mm) Arm (mm)

2330 2600 3300 4150 2330 2600 3300 4150

850 735 892

1000 910 947

1200 1250 1069

1350 1450 1143

1500 1600 1248

1700 1850 1375

BUCKETS E385BEL E385BLC

Width(mm)

Capacity (dm3)

SAE J296(ISO 7451)

Mass(kg)

Arm (mm) Braccio penetrazione (mm)

2330 2600 3300 4150 2330 2600 3300 4150

850 735 892

1000 910 947

1200 1250 1069

1350 1450 1143

1500 1600 1248

1700 1850 1375


T1-1-16

E385B BEH

General digging work (specific weight of material < 1.8 t/m3)

BUCKETS E385BEH

Width(mm)

Capacity (dm3)

SAE J296(ISO 7451)

Mass(kg)

Arm(mm)

2150

850 735 892

1000 910 947

1200 1250 1069

1350 1450 1143

1500 1600 1248

1700 1850 1375

1830 2200 1390

New Holland E385B Operational Priciple

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