New Holland E385B Operational Priciple

Copyright © New Holland

OPERATIONAL PRINCIPLE

Copyright © New Holland

Copyright © New Holland

OPERATIONAL PRINCIPLE

E385B

SECTION AND GROUP CONTENTS Section 1

GENERAL

Group 1

Specifications

Section 2

SYSTEM

Group 1 Group 2 Group 3

Mechatro Control System Hydraulic System Electrical System

Section 3

COMPONENT OPERATION

Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 Group 8

Hydraulic Pump Assy Pilot Valve Control Valve Swing Device Travel Device Swing Joint Cylinders Air Conditioner

Copyright © New Holland

SECTION 1

GENERAL

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

Copyright © New Holland

E385B

Copyright © New Holland

Copyright © New Holland SPECIFICATIONS

E385B

MAIN COMPONENTS

6 7

5

4

3 10

11

12

14

2

13 15

8 9 29

1

16 17

28

18

27 26 25

19 24

12345678910 -

Bucket Bucket link Idler link Bucket cylinder Arm Arm cylinder Boom Boom cylinder Cab Swivel joint

11 12 13 14 15 16 17 18 19 20 -

23

22

Swing motor Fuel tank Hydraulic oil tank Control valve Engine muffler Hydraulic pump Engine Counterweight Engine radiator Travel motor

T1-1-1

20

21

SM1767

21 22 23 24 25 26 27 28 29 -

Track link Batteries Upper roller Track guide Lower roller Air cleaner Crawler adjuster Front idler Shoe plate

Copyright © New Holland E385B

SPECIFICATIONS

Main Components – Upper Structure

1

8

7

2

6

5

4

3

SM1768

1-

Control Cab

5-

Hydraulic Pump

2-

Proportional Solenoid Valve Block

6-

Control Valve

3-

Radiators

7-

Swing Motor Unit

4-

Engine

8-

Center Joint

T1-1-2

Copyright © New Holland SPECIFICATIONS

E385B

Main Components – Under Carriage

5

4

1

2

3

section A - A SM0013

1-

Right Travel Motor Unit

4-

Swing Gear

2-

Left Travel Motor Unit

5-

Front Idler Assy

3-

Center joint

T1-1-3

Copyright © New Holland E385B

SPECIFICATIONS

Main Components – Front Attachment

2

7

5

1 3

6

4

2

8

7

3

1

SM0014

1-

Boom cylinder

5-

Monoblock Boom

2-

Arm cylinder

6-

Boom (Triple Articulation Version)

3-

Bucket Cylinder

7-

Arm

4-

Positioning Cylinder (Triple Articulation Version)

8-

Positioner (Triple Articulation Version)

T1-1-4

Copyright © New Holland SPECIFICATIONS

E385B

HYDRAULIC COMPONENTS HYDRAULIC PUMP Main pump

Gear pump for pilot

Pump

Item

K5V140DTP1KLR-YTOK-HV

ZX10LGRZ2-07G

Type

Variable displacement plunger pump: regulator attached type

Fixed displacement type gear pump

140 x 2

10

2100

←

Max. displacement capacity

cm3

Revolution

rpm (Clockwise seen from shaft end)

Pressure

Rated Rated ATT boost

34.3 (4980)

MPa (psi)

5.0 (725)

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)

Nm (lbf·ft)

886 (653)

14.7 (10.8)

Model Regulator

Mass

KR3S-YTOK-HV

Control function

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

Others

With solenoid proportional reducing valve (KDRDE5K-31/ 30C50)

kg (lbs)

143 (315)

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

STD VALVE

Model

KMX15YD / B44071 L/min (gal/min)

Max. flow rate Main relief valve set pressure

MPa

When power boost pressure Over load relief valve set pressure Boom H, Bucket H, Arm R

MPa (psi)

Item

KADV22Y / 501103A MPa (psi)

Positioner H Mass

235 (518) OPT VALVE

Model Positioner R

39.7 (5760) at 30 L/min (8 gal/min) 37.8 (5480) at 30 L/min (8 gal/min)

kg (lbs)

Over load relief valve set pressure

34.3 (4970) at 135 x 2 L/min (35.7x2 gal/min) 37.8 (5480) at 125 x 2 L/min (33x2 gal/min)

Boom R, Bucket R, Arm H Mass

294 (78) x 2

39.7 (5760) at 30 L/min (8 gal/min) 37.7 (5480) at 30 L/min (8 gal/min)

kg (lbs)

T1-1-5

11 (24.2)

Copyright © New Holland E385B

SPECIFICATIONS

PILOT VALVE Model Primary pressure Secondary pressure Rated flow Mass

ATTACHMENT

TRAVEL

PV48K2004

6TH6NRZ

5.0 MPa (725 psi)

4.9 MPa (710.5 psi)

0.6 ~ 3.2 MPa (87~464 psi)

0.54 ~ 2.35 MPa (78.3~340.7 psi)

20 L/min (5.3 gal/min)

25 L/min (6.6 gal/min)

Approx. 2 kg (4.4 lb)

Approx. 8 kg (17.6 lb)

Hydraylic motor

SWING MOTOR UNIT

Antireaction valve block

Model

M5X180CHB–10A–60C/295

Type

Swash-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)

Type Mass

Hydraulic motor assy mass

2KAR6P72/240-712 kg (lbs)

2.5 (5.5)

kg (lbs)

75 (165)

Speed reduction type

Planetary 2-stage

Reduction unit

Reduction ratio

Total mass

27.143

Lubicate oil Lubicate oil volume

Gear oil SAE90 (API class GL–4 grade) L (gal)

Grease

7.4 (1.96) Extreme pressure lithium base # 2 grease

Grease volume

kg (lbs)

Approx. 1.7 (3.7)

Mass

kg (lbs)

364.8 (804.4)

kg (lbs)

Approx. 440 (970.2)

T1-1-6

Copyright © New Holland SPECIFICATIONS

E385B

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

Displacement

high speed

290.7 cm3/rev

low speed

170.1 cm3/rev

Max. flow

370 L/min (98 gal/min)

Max. gearbox output torque

high 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 pressure

cracking

35.8~37.8 MPa (5191~5481 psi)

total flow

34.3 MPa (4974 psi)

Mass

399 kg (880 lbs)

CYLINDERS

Cushion

(mm)

Center distance of pins Full extend B / Full retract A (mm)

Ø 140 / Ø 100

1550

3651 / 2101

With cushion on rod side

295 (650)

Arm

Ø 170 / Ø 120

1788

4281 / 2493

With cushion on both sides

504 (1111)

Bucket

Ø 145 / Ø 95

1250

3085 / 1835

With cushion on rod side

257 (566)

Bucket (BEH version)

Ø 150 / Ø 100

1250

3085 / 1835

With cushion on rod side

270 (595)

Positioning

Ø 170 / Ø 110

1334

3355 / 2021

Without cushion

392 (864)

Cylinder bore / Rod Dia.

Stroke

(mm) Boom

Use

T1-1-7

Mass kg (lbs)

Copyright © New Holland E385B

SPECIFICATIONS

EXCAVATOR PERFORMANCE GRADEABILITY ......................................................................................................................................... 70% TRAVEL SPEED Excavator Speed

E385B

First speed

3.3 km/h

Second speed

5.6 km/h

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

T1-1-8

Copyright © New Holland SPECIFICATIONS

E385B

DIGGING DATA (Monoblock Version)

A A‘ E

C D

B B‘

NH0504

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 (Dimensions in mm)

T1-1-9

Copyright © New Holland E385B

SPECIFICATIONS

DIGGING DATA (Triple Articulation Version)

C D

E

B‘

B

A‘ A NH0505

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 (Dimensions in mm)

T1-1-10

Copyright © New Holland SPECIFICATIONS

E385B

DIGGING DATA (Version BEH)

A A‘ E

C D

B

B‘

NH0506

Arm

2150

A

9470

A’

9230

B

5660

B’

5460

C

9730

D

6550

E

3830

(Dimensions in mm)

T1-1-11

Copyright © New Holland E385B

SPECIFICATIONS

TRANSPORTING DIMENSIONS (Monoblock Version) E G

D

F

H C

I

L M

A B

N

NH0500

VERSIONS

E385BEL

E385BLC

A

4048

4048

B

4959

4959

C

D

1183

1183

3500

3500

E

F

(1) 11372

(1) 3656

(2) 11271

(2) 3615

(3) 11177

(3) 3349

(4) 11213

(4) 3484

(1) 11372

(1) 3656

(2) 11271

(2) 3615

(3) 11147

(3) 3349

(4) 11213

(4) 3484

G

H

I

L

2950

3195

1047

528

2950

3195

1047

528

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

(dimensions in mm)

E385BEL

E385BLC

M Track shoe width

(mm)

600

700

800

600

700

800

900

N

(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

Gauge

(*) With arm 3300 mm and bucket 1.6 m3

T1-1-12

Copyright © New Holland SPECIFICATIONS

E385B

TRANSPORTING DIMENSIONS (Triple Articulation Version) E G

D

F

H C

I

L M

A B

N

NH0501

VERSIONS

E385BEL

E385BLC

A

4048

4048

B

4959

4959

C

D

1183

1183

3500

3500

E

F

(1) 11314

(1) 3373

(2) 11204

(2) 3388

(3) 11167

(3) 3344

(4) 11190

(4) 3629

(1) 11314

(1) 3373

(2) 11208

(2) 3388

(3) 11167

(3) 3344

(4) 11190

(4) 3629

G

H

I

L

2950

3195

1047

528

2950

3195

1047

528

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

(dimensions in mm)

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

(*) With arm 3300 mm and bucket 1.6 m3

T1-1-13

Copyright © New Holland E385B

SPECIFICATIONS

TRANSPORTING DIMENSIONS (BEH Version) E G

D

F

H

I

L

C

M

A B

N

NH0502

VERSIONS

A

B

C

D

E

F

G

H

I

L

E385BEH

4048

4959

1183

3500

10655

3798

2950

3195

1047

528

(dimensions in mm)

E385BEH M Track shoe width

(mm)

600

700

800

N

(mm)

2990

3090

3190

(*) Working weight

(kg)

35388

35849

36339

Spec. ground pres.

(bar)

0.71

0.62

0.55

Gauge

T1-1-14

Copyright © New Holland SPECIFICATIONS

E385B

BUCKET APPLICATIONS AS A FUNCTION OF THE ARMS E385B Monoblock BUCKETS Width (mm)

Capacity (dm3) SAE J296 (ISO 7451)

Mass (kg)

850

735

892

1000

910

947

1200

1250

1069

1350

1450

1143

1500

1600

1248

1700

1850

1375

2330

E385BEL

E385BLC

Arm (mm)

Arm (mm)

2600

3300

4150

2330

2600

3300

4150

E385B Triplice Articolazione BUCKETS Width (mm)

Capacity (dm3) SAE J296 (ISO 7451)

Mass (kg)

850

735

892

1000

910

947

1200

1250

1069

1350

1450

1143

1500

1600

1248

1700

1850

1375

2330

E385BEL

E385BLC

Arm (mm)

Braccio penetrazione (mm)

2600

3300

4150

2330

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)

T1-1-15

2600

3300

4150

Copyright © New Holland E385B

SPECIFICATIONS

E385B BEH BUCKETS

E385BEH

Width (mm)

Capacity (dm3) SAE J296 (ISO 7451)

Mass (kg)

850

735

892

1000

910

947

1200

1250

1069

1350

1450

1143

1500

1600

1248

1700

1850

1375

1830

2200

1390

Arm (mm) 2150

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

T1-1-16