John Deere Forwarder 1210E Harvester Head Hydraulic Schematic Manual - PDF DOWNLOAD

Forwarder Serial Number WJ1210E001426 F675128 F649965 - C1

Hydraulic Schematics John Deere Forwarder 1210E (English)

Worldwide Construction And Forestry Division Published in Finland

Contents

Boom Hydraulics ............................................................................... 4 Work Hydraulics ................................................................................ 6 Work Hydraulics ................................................................................ 8 Drive Hydraulics .............................................................................. 10 Brake Hydraulics ............................................................................. 12 Brake Hydraulics ............................................................................. 14 Options Hydraulics 1 ....................................................................... 16 Options Hydraulics 2 ....................................................................... 18 Options Hydraulics 3 ....................................................................... 20 Options Hydraulics 4 ....................................................................... 22 Options Hydraulics 5 ....................................................................... 24 Options Hydraulics 5 ....................................................................... 26 Appendix: Boom valve LS pressures ............................................ 28

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Contents

All information, illustrations and specifications in this manual are based on the latest information available at the time of publication. The right is reserved to make changes at any time without notice.

COPYRIGHT © 2008 DEERE & COMPANY Moline, Illinois All rights reserved

iii

BOOM HYDRAULICS

Hydraulic Schematics

Boom Hydraulics Component

Description

Position

Cylinder

Lift

100

Cylinder

Jib

101

Cylinders

Frame steering

102

Cylinders

Boom slew

103

Hydraulic motor

Rotator

104

Cylinder

Grapple

105

Cylinder

Extension

106

Pilot valve

Frame steering

110

Pressure reliefs

Boom slew

111

Boom valve

K170 directional valve sections

120

Boom valve

L90 directional valve sections

121

Boom valve

Inlet section

122

Check valve

Counter pressure

123

Pressure reducing valve

Pilot pressure

124

Boom valve

Pilot valves

125

Pressure relief valve

126

Orifice

Signal line

127

Measuring point

Pilot pressure

131

Pressure relief valve

Boom slew

135

Pressure relief valve

Rotator

143

Pressure relief valve

Steering

145

Pressure relief valve

Grapple

147

Pressure relief valve

Grapple

148

5

WORK HYDRAULICS

Hydraulic Schematics

Work Hydraulics Component

Description

Work pump

Position 200

Regulator

Work pump's pressure difference, Delta P

201

Regulator

Work pump's maximum pressure

202

Hydraulic tank

210

Sensor

Oil level

211

Sensor

Oil temperature

212

Bleeding screw

Oil return case

213

Breather

214

Return filters

215

Pressure switch

Return filter congestion

216

Quick coupler

Filling of hydraulic oil

217

Thermostat block

218

Thermostat valve

219

Off-line filter

220

Pressure switch

Off-line filter congestion

221

Bleeding screw

Filters

222

Valve block

Oil sampling

223

Valve

Oil sampling

224

LS valve block

230

Measuring point

Work pressure

231

Pressure sensor

Work pressure

232

Measuring point

Optional LS-signal

233

Measuring point

Brake valve LS-signal

234

Measuring point

Boom valve LS-signal

235

Measuring point

Highest LS-signal

236

Sensor

LS signal pressure

237

Shuttle valve

For optional equipment

239

Solenoid valve

Constant pressure

240

7

WORK HYDRAULICS

Hydraulic Schematics

Work Hydraulics Component

Description

Auxiliary valve block

Position 250

Differential lock

Front

251

Differential lock

Rear

252

High/low gear

253

Rear wheel drive release

254

Pressure sensor

Parking brake

255

Hydraulic fan pump

Main cooling fan

260

Regulator

Fan pump maximum pressure

261

Regulator

Fan pump stand-by pressure

262

Measuring point

Fan pump pressure

263

Directional valve

Hydraulic fan direction

264

Hydraulic fan motor

Main cooling fan

265

Oil cooler

Main cooler

266

9

DRIVE HYDRAULICS

Hydraulic Schematics

Drive Hydraulics Component

Description

Drive pump

Position 300

Pressure relief valve

Drive pressure

301

Pressure relief valve

Drive pressure

302

Pressure relief valve

Charge pressure

303

Pressure cut-off

Drive pump maximum pressure

304

Directional valve

Drive direction and pump displacement

305

Filter

Charge pump

306

Measuring block

Drive hydraulics

310

Measuring point

Charge pressure

311

Pressure sensor

Charge pressure

312

Measuring point

Drive pressure A

313

Pressure sensor

Drive pressure A

314

Measuring point

Drive pressure B

315

Pressure sensor

Drive pressure B

316

Orifice

Hydraulic motor flushing

317

Drive motor

320

Pulse sensor

Drive motor

321

Directional valve

Motor displacement

322

Flushing valve

323

Pressure relief valve

Motor

324

Measuring point

Control pressure of drive motor

325

11

BRAKE HYDRAULICS

Hydraulic Schematics

Brake Hydraulics Component

Description

Brake valve

Position 400

Valve

Input unit

401

Solenoid valve

Prevents loading of accumulators at start

402

Regulator

14.5 … 16 Mpa (Accumulator loading)

403

Non-return valves

404

Valve

Work brake

405

Valve

Brakes

406

Pressure accumulator

407

Pressure accumulator

408

Measuring point

Accumulator for front brake

409

Measuring point

Accumulator for rear brake

410

Pressure switch

Brake charge pressure

411

Pressure switch

Brake light

412

Orifice

413

Measuring point

Braking pressure

414

Measuring point

Braking pressure

415

Brake pedal

416

Container

Brake fluid

417

Cylinders

Front axle

418

Cylinders

Rear axle

419

Valve

Cabin rotation

420

Hydraulic motor

Cabin rotation

421

13

BRAKE HYDRAULICS

Hydraulic Schematics

Brake Hydraulics Component

Description

Position

Pressure accumulator

Feed pressure

430

Measuring point

Feed pressure

431

Brake

Cabin rotation

432

One-way orifice

Feed pressure accumulator

433

Measuring point

Cabin brake pressure

434

Pressure reducing valve

Cabin rotation and brake pressure

435

Manual pump

Cabin lift

440

Directional valve

Cabin lift

441

Electric pump

Cabin lift

442

Cylinder

Cabin lift

443

Load hold check valve

Cabin lift

444

Cylinder

Frame lock

450

Pressure reducing valve

Frame lock

451

15

OPTIONS HYDRAULICS 1

Hydraulic Schematics

Options Hydraulics 1 Component

Description

Position

Valve

Cabin rotation and levelling

500

Hydraulic motor

Cabin rotation

501

Levelling cylinder

Left

502

Levelling cylinder

Right

503

Load-hold valve

Left levelling cylinder

504

Load-hold valve

Right levelling cylinder

505

Pressure accumulator

Feed pressure

506

Measuring point

Feed pressure

507

Brake

Cabin rotation

508

One-way orifice

Feed pressure accumulator

509

Measuring point

Cabin brake pressure

510

Pressure reducing valve

Cabin rotation and brake pressure

511

Directional valve

Dozerblade

520

Pilot valves

Dozerblade

521

Load hold valve

With dozerblade floating function

522

Shut off valve

523

Cylinders

Dozerblade

524

Pressure accumulator

Lift damping

530

Cylinder

Slew damping

540

Pressure accumulator

Slew damping

541

Pressure accumulator

Slew damping

542

Pump

Hydraulic oil filling

550

Quick coupling

Hydraulic oil filling

551

Vacuum pump Check valve

560 Vacuum limiter

Compressed air valve Breather

561 562

Vacuum pump

Breather

563 564

Cylinder

Stairs

570

Directional valve

Stairs

571

17

OPTIONS HYDRAULICS 2

Hydraulic Schematics

Options Hydraulics 2 Component

Description

Position

Valve

Load space expansion

600

Cylinders

Load space expansion

601

Cylinders

Headboard expansion

602

Block

Flow dividing

603

Valve

Headboard lift and move

620

Cylinder

Headboard lift

621

Cylinder

Headboard move

622

Valve

Headboard lift

630

Cylinder

Headboard lift

631

Valve

Headboard move

640

Cylinder

Headboard move

641

Directional valve

Hydraulic power take-off

650

Directional valve

Hydraulic power take-off

651

Quick couplers

Hydraulic power take-off

652

19

OPTIONS HYDRAULICS 3

Hydraulic Schematics

Options Hydraulics 3 Component

Description

Position

Cylinder

Frame lock

700

Cylinder

Headboard lift

701

Cylinder

Headboard move

702

Cylinders

Loadspace widening

703

Cylinders

Headboard widening

704

Cylinders

Boom tilt

705

Pressure reducer valve

Frame lock

706

Quick couplers

Hydraulic power take-off

707

21

OPTIONS HYDRAULICS 4

Hydraulic Schematics

Options Hydraulics 4 Component

Description

ALS valve

Position 800

Pressure sensor

ALS cylinders, right side

801

Pressure sensor

ALS cylinders, left side

802

Measuring point

ALS cylinders, right side

803

Measuring point

ALS cylinders, left side

804

Pressure accumulator

Right side load space damping

805

Pressure accumulator

Left side load space damping

806

Cylinders

ALS load space

807

Orifice

Working flow (SD1)

808

Orifice

Reset speed (SD2)

809

Measuring point

Extendable stakes

810

Pressure reducing valve

811

Cylinders

Extendable stakes

812

Pressure reducing valve

Extendable stakes

813

Check valve

821

Pressure relief valve

822

Orifice

823

Shut-off valve

824

Cylinder

Headboard expansion

825

Cylinder

Headboard lift

826

Cylinder

Headboard move

827

Measuring point

Headboard expansion and lift

828

23

OPTIONS HYDRAULICS 5

Hydraulic Schematics

Options Hydraulics 5 Component

Description

Drive pump

Position 900

Pressure relief valve

Drive pressure

901

Pressure relief valve

Drive pressure

902

Pressure relief valve

Charge pressure

903

Pressure cut-off

Drive pump maximum pressure

904

Directional valve

Drive direction and pump displacement

905

Filter

Charge pump

906

Measuring block

Drive hydraulics

910

Measuring point

Charge pressure

911

Pressure sensor

Charge pressure

912

Measuring point

Drive pressure A

913

Pressure sensor

Drive pressure A

914

Measuring point

Drive pressure B

915

Pressure sensor

Drive pressure B

916

Orifice

Hydraulic motor flushing

917

Orifice

Hydraulic motor flushing

918

Drive motor

920

Pulse sensor

Drive motor

921

Directional valve

Motor displacement

922

Flushing valve

923

Pressure relief valve

Motor

924

Measuring point

Control pressure of drive motor

925

25

OPTIONS HYDRAULICS 5

Hydraulic Schematics

Options Hydraulics 5 Component

Description

Drive motor

Position 930

Pulse sensor

Drive motor

931

Directional valve

Motor displacement

932

Flushing valve

933

Pressure relief valve

Motor

934

Measuring point

Control pressure of drive motor

935

Variospeed clutch control valve

940

Pressure reducing valve

941

Measuring point

942

Pressure accumulator

943

Measuring point

Clutch pressure

944

Pressure sensor

Clutch pressure

945

Cylinder

Variospeed clutch

950

27

APPENDIX: BOOM VALVE LS PRESSURES