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TYM T233 HST, Service Manual

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TYM T233 HST Service Manual Download Page 228

US gal

0

1

2

3

4

5

6

7

8

9

US gal

Liters

Liters

Liters

Liters

Liters

Liters

Liters

Liters

Liters

Liters

0

0.000

3.785

7.571

11.356

15.142

18.927

22.712

26.498

30.283

34.069

0

10

37.854

41.639

45.425

49.210

52.996

56.781

60.566

64.352

68.137

71.923

10

20

75.708

79.493

83.279

87.064

90.850

94.635

98.420

102.206

105.991

109.777

20

30

113.562

117.347

121.133

124.918

128.704

132.489

136.274

140.060

143.845

147.631

30

40

151.416

155.201

158.987

162.772

166.558

170.343

174.128

177.914

181.699

185.485

40

50

189.270

193.055

196.841

200.626

204.412

208.197

211.982

215.768

219.553

223.339

50

60

227.124

230.909

234.695

238.480

242.266

246.051

249.836

253.622

257.407

261.193

60

70

264.978

268.763

272.549

276.334

280.120

283.905

287.690

291.476

295.261

299.047

70

80

302.832

306.617

310.403

314.188

317.974

321.759

325.544

329.330

333.115

336.901

80

90

340.686

344.471

348.257

352.042

355.828

359.613

363.398

367.184

370.969

374.755

90

100

378.540

382.325

386.111

389.896

393.682

397.467

401.252

405.038

408.823

412.609

100

Liters

0

1

2

3

4

5

6

7

8

9

Liters

US gal

US gal

US gal

US gal

US gal

US gal

US gal

US gal

US gal

US gal

0

0.000

0.264

0.528

0.793

1.057

1.321

1.585

1.849

2.114

2.378

0

10

2.642

2.906

3.170

3.435

3.699

3.963

4.227

4.491

4.756

5.020

10

20

5.284

5.548

5.812

6.077

6.341

6.605

6.869

7.133

7.398

7.662

20

30

7.926

8.190

8.454

8.719

8.983

9.247

9.511

9.775

10.040

10.304

30

40

10.568

10.832

11.096

11.361

11.625

11.889

12.153

12.417

12.682

12.946

40

50

13.210

13.474

13.738

14.003

14.267

14.531

14.795

15.059

15.324

15.588

50

60

15.852

16.116

16.380

16.645

16.909

17.173

17.437

17.701

17.966

18.230

60

70

18.494

18.758

19.022

19.287

19.551

19.815

20.079

20.343

20.608

20.872

70

80

21.136

21.400

21.664

21.929

22.193

22.457

22.721

22.985

23.250

23.514

80

90

23.778

24.042

24.306

24.571

24.835

25.099

25.363

25.627

25.892

26.156

90

100

26.420

26.684

26.948

27.213

27.477

27.741

28.005

28.269

28.534

28.798

100

Volume                                                           Gallons ( U.S)  to  Liters

Volume                                                           Gallons ( U.S)  to  Liters

Volume                                                           Gallons ( U.S)  to  Liters

Volume                                                           Gallons ( U.S)  to  Liters

                                                           Liters   to Gallons ( U.S)

                                                           Liters   to Gallons ( U.S)

                                                           Liters   to Gallons ( U.S)

                                                           Liters   to Gallons ( U.S)

                                                             Gallons ( IM P.)  to Liters

                                                             Gallons ( IM P.)  to Liters

                                                             Gallons ( IM P.)  to Liters

                                                             Gallons ( IM P.)  to Liters

11-12

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7

8

9

Imp. gal

Liters

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Liters

Liters

Liters

Liters

0

0.0000

4.5460

9.0920

13.6380

18.1840

22.7300

27.2760

31.8220

36.3680

40.9140

0

10

45.4600

50.0060

54.5520

59.0980

63.6440

68.1900

72.7360

77.2820

81.8280

86.3740

10

20

90.9200

95.4660

100.0120

104.5580

109.1040

113.6500

118.1960

122.7420

127.2880

131.8340

20

30

136.3800

140.9260

145.4720

150.0180

154.5640

159.1100

163.6560

168.2020

172.7480

177.2940

30

40

181.8400

186.3860

190.9320

195.4780

200.0240

204.5700

209.1160

213.6620

218.2080

222.7540

40

50

227.3000

231.8460

236.3920

240.9380

245.4840

250.0300

254.5760

259.1220

263.6680

268.2140

50

60

272.7600

277.3060

281.8520

286.3980

290.9440

295.4900

300.0360

304.5820

309.1280

313.6740

60

70

318.2200

322.7660

327.3120

331.8580

336.4040

340.9500

345.4960

350.0420

354.5880

359.1340

70

80

363.6800

368.2260

372.7720

377.3180

381.8640

386.4100

390.9560

395.5020

400.0480

404.5940

80

90

409.1400

413.6860

418.2320

422.7780

427.3240

431.8700

436.4160

440.9620

445.5080

450.0540

90

100

454.6000

459.1460

463.6920

468.2380

472.7840

477.3300

481.8760

486.4220

490.9680

495.5140

100

Liters

0

1

2

3

4

5

6

7

8

9

Liters

gal

gal

gal

gal

gal

gal

gal

gal

gal

gal

0

0.0000

0.2200

0.4400

0.6600

0.8800

1.1000

1.3200

1.5400

1.7600

1.9800

0

10

2.2000

2.4200

2.6400

2.8600

3.0800

3.3000

3.5200

3.7400

3.9600

4.1800

10

20

4.4000

4.6200

4.8400

5.0600

5.2800

5.5000

5.7200

5.9400

6.1600

6.3800

20

30

6.6000

6.8200

7.0400

7.2600

7.4800

7.7000

7.9200

8.1400

8.3600

8.5800

30

40

8.8000

9.0200

9.2400

9.4600

9.6800

9.9000

10.1200

10.3400

10.5600

10.7800

40

50

11.0000

11.2200

11.4400

11.6600

11.8800

12.1000

12.3200

12.5400

12.7600

12.9800

50

60

13.2000

13.4200

13.6400

13.8600

14.0800

14.3000

14.5200

14.7400

14.9600

15.1800

60

70

15.4000

15.6200

15.8400

16.0600

16.2800

16.5000

16.7200

16.9400

17.1600

17.3800

70

80

17.6000

17.8200

18.0400

18.2600

18.4800

18.7000

18.9200

19.1400

19.3600

19.5800

80

90

19.8000

20.0200

20.2400

20.4600

20.6800

20.9000

21.1200

21.3400

21.5600

21.7800

90

100

22.0000

22.2200

22.4400

22.6600

22.8800

23.1000

23.3200

23.5400

23.7600

23.9800

100

                                                           Liters   to Gallons ( IM P)

                                                           Liters   to Gallons ( IM P)

                                                           Liters   to Gallons ( IM P)

                                                           Liters   to Gallons ( IM P)

Summary of Contents for T233 HST

Page 1: ...TYM TYM TYM TYM Service manual for tractors Model T233 T273 604 9 Namsan dong Changwon city Kyungnam Korea TEL 82 55 279 4379 FAX 82 55 279 4447 www tym co kr...

Page 2: ...hapter 3 Engine accessories Chapter 4 HST system Chapter 5 Transmission Chapter 6 Front axle 4WD 01 02 03 04 05 06 Chapter 7 Rear axle and Brakes Chapter 8 Power steering system Chapter 9 Hydraulic sy...

Page 3: ...AL SYMBOLS SECTION 1 TRACTOR TYPES AND PUNCHED IDENTIFICATION MARKS SECTION 2 SPECIFICATIONS SECTION 3 GEAR TRAIN DIAGRAMS 1 01 1 02 1 04 1 05 1 10 1 13 1 14 1 16 1 19 SECTION 4 PRECAUTIONS FOR TRACTO...

Page 4: ...d reassembly are outlined The mechanic is relied upon to decide how far disassembly must be carried when complete overhaul is not required Study unfamiliar service procedures thoroughly and clearly un...

Page 5: ...lyte It contains sulfuric acid which is a poison and can cause blindness Avoid it contacting eyes skin or clothing sulfuric acid will eat through and can cause blindness Avoid it contacting eyes skin...

Page 6: ...eline is stopped before making adjustment connections or cleaning out PTO drive equipment SERVICE TIRES SAFELY Tire changing can be dangerous and should be done by trained personnel using proper tools...

Page 7: ...EANING OF SIGN DANGER Serious hazard with a very high level of risk of either serious injury or death WARNING Hazard or unsafe practice that can lead to severe injury or death CAUTION Hazard or unsafe...

Page 8: ...good condition Replace RECOGNIZE SAFETY INFORMATION This symbol Safety Alert Symbol means ATTENTION YOUR SAFETY IS INVOLVED The message that follows the symbol contains important information about sa...

Page 9: ...rn during machine operation when the machine is equipped with a certified ROPS Failure to do so will reduce or eliminate protection for the operator in the event of a roll over PRECAUTION TO AVOID TIP...

Page 10: ...ohibited by state or local regulations Use slow moving vehicle SMV sign when driving on public road during both day night time unless prohibited by law 1 7 during both day night time unless prohibited...

Page 11: ...ection and acid proof hand gloves 3 Avoid breathing direct fumes when electrolyte is added 4 Do not add water to electrolyte as it may splash off 1 8 4 Do not add water to electrolyte as it may splash...

Page 12: ...nal only when the HST is neutral and the PTO switch is off and the brake pedal is depressed 2 If any condition is unsatisfied the engine can not start and CHECK lamp on instrument panel is flashed Do...

Page 13: ...ntrols Start engine only from Operator s seat with depressed clutch pedal transmission in the neutral PTO disengaged and hydraulic control in lower position Slow down on turns rough ground and slopes...

Page 14: ...1 11...

Page 15: ...1 12...

Page 16: ...or minimum Setting Engine coolant temperature Warning Hare fast or maximum setting Fuel level Hazard warning Transmission oil pressure Engine Stop control Neutral Turn signal 1 13 control Lights Fan T...

Page 17: ...ine type and number on the top of Engine body Manufacturer s tractor Sr No punched on plate on the L H S of Axle bracket 1 MODEL NAME PLATE The plate indicates the model and type of the tractor Model...

Page 18: ...engines in the current production is as follows Example Coded designation Displacement S3L 1 125 liters 68 7 cu in S3L2 1 318 liters 80 4 cu in S4L 1 500 liters 91 5 cu in S4l2 1 758 liters 107 3 cu...

Page 19: ...rder 1 3 2 1 3 2 Injection Pump Bosch M Lubrication type Force feed by trochoid pump Cooling system Forced cooling Coolant Capacity Approximate liter US gal 5 6 1 5 1 16 Air Cleaner Dry Type with Pape...

Page 20: ...oint Hitch Type SAE Category Control Position Position Lift Control At lift points 1 653lb 750kg At 24 in behind Lift point 1 213lb 550 kg Dimensions Overall length 94 48 in 2 400mm 1 17 Dimensions Ov...

Page 21: ...Traveling speeds Km h Mile h Range shift Model T233HST T273HST R1 L 0 7 2 0 8 1 H 0 16 78 0 18 88 R3 R4 L 0 7 2 0 7 2 H 0 16 78 0 16 78 1 18...

Page 22: ...SECTION 3 GEAR TRAIN DIAGRAMS FIG 1 3 GEAR TRAIN DIAGRAM 1 19...

Page 23: ...on the monitor array will light when the main switch is turned from OFF to ON All lights on the panel go out automatically when the engine is started and its speed is increased to a specific level Do...

Page 24: ...e engine starts if the oil pressure is correct If it comes on while the engine is running stop the engine and get expert advice Charge lamp This lamp will go off as soon as the engine starts to run to...

Page 25: ...Brake Pedals Parking Brake Lever Differential Lock Pedal Front Wheel Drive 4WD Lever Range Shift Lever PTO Lever Speed Control Pedals Joy stick Lever Hand Throttle Lever Position Control Lever Lowerin...

Page 26: ...ar 12X16 5 4PR 12X16 5 4PR R4 Std Front 23X8 50 12 4PR 23X8 50 12 4PR Rear 12X16 5 6PR 12X16 5 6PR Tire size and inflation TABLE 1 8 1 RADIATOR Fresh clean Water L L C 5 2 1 37US gal 2 ENGINE API CD C...

Page 27: ...evel on the dipstick Oil filter Air cleaner Radiator coolant Check daily top up if required Radiator Check daily for damages leakage Radiator fins screen Clean if required Fuel Fill tank Fuel filter 1...

Page 28: ...hours Wheel nut fastening torque Check daily Operation of the instrument Check daily Grease each nipple Replenish every 50 hours everyday in dusty conditions Check Top up or adjust Replace Clean or wa...

Page 29: ...EASSEMBLY BY MAJOR BLOCKS SECTION 3 SEPARATION OF MAJOR COMPONENTS 2 1 2 1 2 1 2 4 2 5 SECTION 3 SEPARATION OF MAJOR COMPONENTS 1 Separation of the front axle and axle bracket 2 Separation of the engi...

Page 30: ...entification number faces in a direction for easy visual identification All the 5 To prevent oil or water leaks use the liquid gasket as required 6 When lifting up only the front or rear part of the t...

Page 31: ...d be driven in properly as tightly 2 Spring pins should be installed so that their seams should face the direction from which the load is applied 3 The roll pins installed in the transmission or other...

Page 32: ...a direction that will provide easy access for a grease gun 4 Each contact surface should be coated with an adhesive THREE BOND TB 1215 and tightened evenly with bolts Adhesive coated surfaces should...

Page 33: ...SECTION 2 OPERATION CHART FOR DISASSEMBLY AND REASSEMBLY BY MAJOR BLOCKS 2 4...

Page 34: ...the pivot metal bolts 5 Remove the front axle assembly forward Note When working on the 4WD version the drive shaft should be removed ahead of time 2 Installation 1 Install the front axle assembly FIG...

Page 35: ...r than the engine can be removed if required 3 Open the front grille 4 Detach the head light wiring 5 Remove the pin that hold the engine Hood 6 Disconnect the positive and negative battery cables FIG...

Page 36: ...f the right hand pivot metal support ahead of time 16 At this stage the power steering unit can be removed by disconnecting both right hand and left hand tie rods and removing the unit mounting bolts...

Page 37: ...and other harness 9 Connect the ground strap and the battery cables 10 Install the engine hood 11 Fill the radiator with coolant 3 SEPARATION OF THE ENGINE AND THE TRANSMISSION Parts which can be ins...

Page 38: ...ng lever side and transmission 9 Remove the mounting bolts and dismounting the FIG 2 18 8 Disconnect the hydraulic hose from the power steering orbitrol FIG 2 17 Note Lift up the panel set and disconn...

Page 39: ...F REMOVAL 1 Install the engine on the front axle bracket 2 Retightening the right hand pivot metal tightening bolts 3 Connect hoses FIG 2 20 FIG 2 21Wedging 12 Remove the clutch housing and engine tig...

Page 40: ...diff lock installed will be explained here 1 Drain the transmission case of oil 2 Lift up the transmission and remove the rear wheel on the diff lock side 4 Remove the brake rods 5 Remove the 3 point...

Page 41: ...rts 5 Mount the rear wheel 4 Refill the transmission with oil up to the specified level Level up to fill the oil can be sought from the rear side of rear transmission case Window 6 Support the floor p...

Page 42: ...lever and related parts from the bracket 5 Remove the back panel 6 Remove the tank cover 7 Remove the wiring for the rear combination lamps and trailer socket coupler 8 Drain the fuel of fuel tank 9 R...

Page 43: ...case assembly from the rear transmission 6 SEPARATION OF THE TRANSMISSION AND CYLINDER CASE FIG 2 32 operator s seat 2 Installation Reassemble the reverse order of disassemble 1 Tighten the cylinder c...

Page 44: ...ion of each part 6 Radiator reassembly 7 Daily inspection 8 Trouble shooting SECTION 2 AIR CLEANER SYSTEM 3 1 3 1 3 2 3 3 3 3 3 3 3 5 3 5 3 6 3 7 SECTION 2 AIR CLEANER SYSTEM 1 General description 2 D...

Page 45: ...a uniform and fast warm up period Once the engine has reached operating temperature the thermostat opens and coolant is pumped from the bottom of the radiator via the lower hose into the cylinder bloc...

Page 46: ...tor consists of radiator cores a tank to Flow coolant side plates to install the radiator and a fan guide Fin tube type cores are used and the cores and tank is made of anti corrosive copper and Coppe...

Page 47: ...r water leaks Water leaks are liable to occur at the fitting portion between the upper tank and the core section or between the lower tank and the core section If any water leak should occur there rep...

Page 48: ...iator cores Clean the radiator cores by applying water spray or compressed air so as to for a right angle with the radiator cores moving water application in parallel Note When cleaning the radiator c...

Page 49: ...iciently in the cooling system and replenish if necessary after stopping the engine 2 Antifreeze When The weather is cold use an antifreeze to prevent the engine from freezing The freezing point diffe...

Page 50: ...oken cylinder gasket 10 Inspect cylinder head and replace cylinder gasket 2 Overcooling 1 Poor thermostat 1 Replace 2 Excessive low atmospheric temperature 2 Decrease radiator working area by radiator...

Page 51: ...the T series tractor is a dry cyclone type and is constructed as shown in the figure Under the influence of suction generated by the engine unfiltered air flows through air inlet tube and is forced i...

Page 52: ...ng capacity gr 700 Filter material Outer element P821575 inner element P822858 Remarks Tested dust SAE FINE Dust density 1 0 gr 0 93gr sq ft 2 DISASSEMBLY 1 Element removal Remove the Clamping which c...

Page 53: ...air cleaner the inlet manifold and inlet port 1 When accumulated dust is dry When removing the dust in the element hold the element by a hand and pat the side wall with other hand Never hit the elemen...

Page 54: ...ed 5 times must be replaced with a new one 5 ELEMENT INSTALLATION Install the element in the reverse order of disassembly but follow these instructions 1 Each tightening bolt must be secured and care...

Page 55: ...4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 11 SECTION 6 TESTS AND ADJUSTMENTS 1 Hydrostatic pedal and neutral adjustment 2 Hydrostatic pump pressure test 3 Charge pump pressure test 4 Hydraulic system b...

Page 56: ...25 rev 1 53 in rev Displacement Engine at 2700rpm 67 7L min 17 88 US gal min Pressure relief Valve setting 34 0 MPa 4978psi HYDROSTATIC MOTOR Manufacturer THI Type Fixed displacement Axial piston Mot...

Page 57: ...ressure Relief Valve setting Pressure 310 5 Kgf at 2 min Cracking Pressure 290 5 Kgf over at 2 min Working oil THF500 4 2 Case Drain Temperature 10 C 90 C 20 C 100 C within 5minutes Max Vibration With...

Page 58: ...SECTION 2 COMPONENT LOCATION 1 Hydraulic Hoses and lines 1 hydraulic oil cooler 2 Gear pump 3 Cooler return Line 4 Loader Valve 5 Power steering Unit 4 3...

Page 59: ...2 Hydrostatic Transmission 4 4 1 Front drive shaft 2 Hydrostatic unit 3 Back Plate 4 Filter 5 Input shaft From engine...

Page 60: ...3 HST main pump case 4 5...

Page 61: ...f 31 Spring seat 32 Valve Relief 33 Seat Relief 34 Spring1 Relief 35 Spring2 Relief 36 Washer Relief 37 Nut Relief 38 Plug Neutral 39 Spool Neutral 41 Spring Neutral 48 Snap ring 50 Snap ring 51 Snap...

Page 62: ...g seat Charge 49 Snap ring 56 O ring 58 O ring 61 NPTF plug 63 Socket bolt 65 Spring pin 67 Dust plug 68 Dust plug 69 Rivet screw 70 Gasket 1 Housing 3 Cylinder block 4 Shaft P 5 Shaft M 6 Valve plate...

Page 63: ...HER PLAIN 21 PIN SPLIT 22 BUSH 20X23X20 23 PIN NEUTRAL 24 BOLT HEX FINE 25 WASHER SPRING 27 ARM COMP REVERSE 28 BEARING BALL 29 WASHER PLAIN 30 PIN SPLIT 31 C RING SHAFT 32 NIPPLE GREASE A M6F 33 PIN...

Page 64: ...6 Hydrostatic system schematic 4 8...

Page 65: ...w in transaxle Low charge pressure see Tests and Adjustments Section Main drive pressure relief valve stuck open see Test Adjustments section Air in system see HYDRAULIC SYSTEM BLEED PROCEDURE on page...

Page 66: ...al to maximum travel speed Machine should accelerate smoothly forward or backwards Check fluid reservoir for proper fluid level Check hydraulic tubing and connections for leaks maximum travel speed po...

Page 67: ...m plate is deflected determines how much fluid will be displaced speed The hydrostatic pump provides hydraulic fluid to the hydrostatic motor through the back plate Hydraulic The hydrostatic pump prov...

Page 68: ...s note direction and adjust neutral return lever as follows 4 Shut engine OFF engage the park brake 5 On the right side of the tractor next to the forward and reverse control pedals locate the neutral...

Page 69: ...10 Attach gauge and hose assembly as shown each test port adapter Pc Pa Pb IMPORTANT Make sure that the hydraulic fluid is visible in sight glass Insufficient hydraulic fluid could cause system to ru...

Page 70: ...Procedure 1 Park tractor on a level surface and set park brake 2 Turn key switch to OFF position 3 Shift transmission to NEUTRAL IMPORTANT Make sure to relieve system pressure before loosening any sy...

Page 71: ...w idle IMPORTANT If steering fails to respond or pump pressure is not being delivered to steering control unit SCU shut engine off and check to see that steering hoses are connected to the correct SCU...

Page 72: ...ory below Prepare the Tractor 1 Park tractor on a level surface shut off engine 2 Disconnect battery negative terminal 3 Remove the seat and the floor mat Tow bolts LH RH 6 Remove the joy stick 7 Remo...

Page 73: ...10 Remove the fuel line 11 Remove the hydraulic line Note Lift up the floor gradually making sure that all relevant wiring and clamping are disconnected 4 17...

Page 74: ...ng snap ring and sliding couplers onto engine until clear of stub shaft stub shaft 14 Remove the brake linkage and remove brake rods from tractor 15 Remove hydraulic pressure tube clamp 4 18 Front 4WD...

Page 75: ...hey are tight 4 Install a magnetic cruise next to the hydrostatic control pedal 5 Install the linkage from hydrostatic control system 6 Connect hydraulic pressure tube clamp 7 Install the brake linkag...

Page 76: ...s when removing NOTE Oil may drain from the pump and motor unit after it is removed Have a suitable container ready to catch excess oil Installation Installation is the reverse of removal Clean flange...

Page 77: ...screws of the body side 4 Remove the body from the housing NOTE Use support for housing or rotating assembly in housing may protrude 5 Remove gasket from body 6 Remove T valve for charge relief valve...

Page 78: ...valve is dual purpose valve The valve contains two springs A weak spring in the plug check valve when other circuit is in use and a strong spring 34MPa relief valve The relief valve can not be adjuste...

Page 79: ...sition before disassembly during assembly 4 Remove cylinder block retainer spherical bush piston spring from the parts of rotating assembly It is easy to remove the parts of rotating assembly 1 Remove...

Page 80: ...shaft of pump by using rubber hammer 8 Remove the cover and o ring of right and left side for removing swash plate 9 Remove swash plate obliquely 10 Remove shoe plate of motor side in the housing 4 24...

Page 81: ...n method for rotary parts of pump and motor is same 9 Inspect the shaft of pump for damage on the bearing surfaces or in the splined areas Shaft Pump Cylindrical roller bearing Seal Cover O Ring 4 25...

Page 82: ...Replace if worn or damaged 3 Hydrostatic Transmission Assembly 1 Clean all parts in a suitable solvent and dry with lint free rag If the bearing was removed from the body new one can be pressed Be su...

Page 83: ...sembly up the shaft until it meshes with the splines on the shaft 4 27 8 If the cylinder block assembly was disassembled complete the following Note The cylinder block assembly of pump and motor are i...

Page 84: ...valves If the valves is not new install original holes before disassembly 13 Install the body assembly onto the housing assembly 4 28 14 Install four socket head cap screws into the body and two sock...

Page 85: ...ST system and change gear front transmission 2 Mid transmission case 1 PTO Input gear 2 PTO counter shaft 5 1 5 1 5 1 5 2 5 2 5 2 5 2 5 3 5 3 5 6 5 6 5 6 2 PTO counter shaft 3 PTO clutch 4 HST Unit 5...

Page 86: ...drive change gears PTO Clutch Damper HST MID PTO change gears REAR PTO change gears Fig 5 1 Wheel drive system 2 PTO DRIVE SYSTEM 1 PTO drive system is composed of the hydraulic clutch and the PTO cha...

Page 87: ...IFICATIONS 1 WHEEL DRIVE SYSTEM TYPE INDEPENDANT CLUTCH Multiple Wet Disk Rear PTO Speed shift range 1 Reduction ratio 0 21 11 53 PTO shaft speed 540 Engine 2 601rpm PTO shaft size 35 mm 6 straight sp...

Page 88: ...SECTION 3 DISASSEMBLY INSPECTION AND REASSEMBLY 1 HST system and change gears front transmission 4 PTO clutch 1 Input shaft From engine 2 HST unit 3 Back Plate 5 3 Fig 5 2...

Page 89: ...f SECTION 7 REPAIR in CHAPTER 4 5 4 3 Clutch PTO Clutch 4 Shaft PTO Clutch 5 Bearing Ball 1 COUPLING 2 BEARING BALL 3 SHAFT PTO COUNTER 4 BEARING BALL 5 C RING HOLE 6 SEAL 62 7 BEARING BALL 8 COLLAR 2...

Page 90: ...flywheel be sure to install the bolts to flywheel 2 Apply a thin coat of molybdenum disulfide based grease Three bond TB1901 or equivalent to revolving or sliding parts prior to reassembly 3 When ins...

Page 91: ...these rings 4 When installing seal rings Apply fresh oil ahead of time and install them carefully so as not to damage them 2 Rear Transmission 1 PTO counter shaft Sub ASS Y Fig 5 6 1 PTO counter shaft...

Page 92: ...for hole and take bake up plate disc assembly and driving plates d While holding return spring 43 compressed with a special tool remove snap ring D95 e Disassemble into separate parts piston return sp...

Page 93: ...1 5 8 c Driven plate Inspection for deformation and burning A seriously damaged or worn disc should be replaced Inspection Items Specified values Usable limit Plate thickness 1 6 0 05 mm 5pcs 1 5mm 0...

Page 94: ...should be securely seated in the groove d When pushing the BRG s 6005 into the shaft be careful only to push their inner races 3 3 REASSEMBLY Fig 5 13 rotation should be checked Every snap ring should...

Page 95: ...on the flywheel be sure to install bolts to flywheel 2 Apply a thin coat of molybdenum disulfide based grease Three bond TB1901 or equivalent to revolving or sliding parts prior to reassembly 3 When...

Page 96: ...erse 1 HST holder comp Fig 5 17 1 When reassembling holder comp take care directions 2 After installing holder comp be sure not to skip the parts 1 HST UNIT 2 Bolt 3 Washer spring 4 Washer plain 5 Hol...

Page 97: ...linkage 3 Install Ball bearing carefully so as not to damage to them 4 When assembling the cam comp to the pin be sure to apply grease 5 Be sure to check the spring has enough tension 6 When setting...

Page 98: ...ARALLEL A 4 BOLT HEX S 5 SHAFT MID PTO COUNT 6 GEAR SPUR 32T 7 BEARING BALL 8 C RING HOLE 9 COLLAR 17X24X6 10 C RING SHAFT 11 CAP COMP MID PTO SHAFT 12 BOLT HEX S 13 SEAL OIL D 14 C RING HOLE 15 BEARI...

Page 99: ...is ON before MID PTO switch is ON position It is normal operation and if MID PTO is to be stopped MID PTO switch must be OFF position The PTO switch must be OFF position before PTO is engaged Normal p...

Page 100: ...3 Rear transmission case 5 15 Fig 5 23...

Page 101: ...UST 34X46X1 26 GEAR BEVEL RH 20T 27 GEAR BEVEL LH 20T 28 CLUTCH COMP DIFF LOCK 29 BEARING BALL 30 BOLT HEX S 31 BEARING BALL 1 SHAFT DIFF LOCK 2 PIN SPRING 3 PIN SPRING 4 FORK DIFF LOCK 5 PIN SPRING 6...

Page 102: ...3 3 SHIM 0 2 4 4 SHIM 0 1 3 5 DIFF ASSY RR 6 SHIM 0 2 8 7 SHIM 0 1 6 8 METAL DIFF CASE 9 BOLT HEX S 10 Shim 0 2 5 11 Shim 0 1 4 12 Metal bearing g Remove the metal diff case and pull out the diff asse...

Page 103: ...Pull out the spring pin 17 with a special tool c Pull out the arm comp 10 d Extract PTO shaft stay 2 rearwards and take out shifter 1 e Be alert to the steel ball which may spring out of the shifter E...

Page 104: ...tarting torque 8 11 Kgf m 0 08 0 11KN cm c Check the torque with a special jig Fig 5 30 Fig 5 31 When the backlash exceeds 0 5mm also inspect the thrust collar for wear defective collars should be rep...

Page 105: ...rdened the one installed on the side of the diff lock is treated further and colored black Take care not to mix them when assembling Apply multi purpose quality grease to the parts mentioned below Too...

Page 106: ...sition h Backlash adjustment between the drive pinion and the ring pair Fig5 34 i As the drive pinion and the ring gear make a pair be sure not to mate them with other parts from differential tractors...

Page 107: ...ht side to left side See Assembly and installation Root contact Inadequate backlash Move differential case shims from left side to right side See Assembly and installation Toe contact Too little engag...

Page 108: ...TB1215 on the circumference before installing b Install the oil seal on the PTO shaft paying attention to its installed direction c After installation the slide coupling should smoothly slide and mesh...

Page 109: ...16 PIN SPLIT 17 CAM SUB ASSY 18 ARM COMP CAM 19 BEARING BALL 20 WASHER PLAIN 21 PIN SPLIT 22 BUSH 20X23X20 23 PIN NEUTRAL 24 BOLT HEX FINE 25 WASHER SPRING 27 ARM COMP REVERSE 28 BEARING BALL 29 WASHE...

Page 110: ...BOLT HEX S 7 PIN SPRING 8 BUSH 16X18X33 9 LEVER COMP RANGE 10 LINK 11 WASHER PLAIN 12 PIN SPLIT 13 NUT HEX FINE 2 14 GRIP COMP RANGE 15 FORK RANGE 16 STAY RANGE 17 SPRING SHIFTER 18 BALL STEEL Note Th...

Page 111: ...G 9 BOLT HEX S Fig 5 40 9 BOLT HEX S 10 LEVER COMP 4WD LOW 11 BUSH 16X18X33 12 E RING 13 LINK 4WD 14 WASHER PLAIN 15 PIN SPLIT Fig 5 40 Fig 5 41 1 Shaft 4WD drive 2 Gear spur 16T 3 Bearing ball 6302 4...

Page 112: ...VER 12 1 FORK PTO 2 STAY PTO 3 E RING 4 O RING P 5 BALL STEEL 6 SPRING SHIFTER Fig 5 44 PTO gears Fig 5 43 PTO lever stay 1 COUPLING 2 BEARING BALL 3 SHAFT PTO COUNTER 4 BEARING BALL 5 C RING HOLE 6 S...

Page 113: ...haft PTO 2 Snap ring 3 Collar 35X50X2 4 Bearing 6207 Fig 5 45 1 PTO counter shaft 11T 2 Bearing Ball 6305 3 Bearing Ball 6204 REAR PTO shift stay 1 Stay PTO shift 2 O ring Note The snap ring C should...

Page 114: ...O SHAFT 12 BOLT HEX S 13 SEAL OIL D 14 C RING HOLE 15 BEARING BALL 6005 16 SHAFT MID PTO 17 BEARING BALL 6203 Fig 5 48 17 BEARING BALL 6203 5 2 MID PTO CASE SUB ASSY Fig 5 49 Note When pushing the BRG...

Page 115: ...snap ring hole 3 Bearing Ball 6203 Note When pushing the BRG s 6203 into the gear be careful only to push their outer races Fig 5 50 Fig 5 51 5 5 MID PTO shift metal SUB Note Refer to the rear PTO sh...

Page 116: ...n install them and tighten the assembly to the specified torque b Be sure that the starting torque of the drive pinion meets the specified level Starting torque is 8 11 Kgf m 0 08 0 11KN cm and can be...

Page 117: ...pinion and diff side gear should be within as range of 0 1 to 0 2mm 0 004 0 008 in and these parts should turn smoothly 3 When reassembling the used pinion and ring gear reinstall the same thickness...

Page 118: ...b change 18 22 Kgf 40 49lbs 4WD change 25 29 kgf 55 64 lbs Usable limit of shifter disengaging load Main change Sub change 17 Kgf 38lbs 4WD change 24Kgf 53lbs Wearing limit of each shifter 0 5 mm 0 02...

Page 119: ...Gears make a noise when shifted Improperly disengaged clutch Repair or replace Wear in width of gears spline hub collars etc Replace Defective Change shift fork Replace Gears disengage by themselves B...

Page 120: ...O ring of delivery valve Retighten or replace Poor pump Replace Clogged PTO valve Wash clean PTO does not stop when PTO switch is shifted to OFF Defective PTO valve solenoid Replace Poor PTO valve co...

Page 121: ...Power Train Diagram Fig 5 60 5 36...

Page 122: ...ECTION AND REASSEMBLY 1 Center pivot 1 1 Disassembly 1 2 Inspection 1 3 Reassembly 2 Front differential 2 1 Disassembly 2 2 Inspection 6 1 6 1 6 2 6 3 6 3 6 4 6 4 6 4 6 6 6 7 6 7 2 2 Inspection 2 3 Re...

Page 123: ...e power is taken off the rear transmission and transmitted to the differential in the front axle where the power is divided into right and left and to the respective final cases In the final cases the...

Page 124: ...nt Toe in mm 2 6 Camber 3 1 Caster 3 1 Front axle Pivot metal F bore mm 55 Pivot metal R bore mm 65 Pivot metal F bush mm 50X55X20 Pivot metal R bush mm 60X65X30 Housing F Diameter mm 50 Housing R Dia...

Page 125: ...HOSE D 12 5 7 METAL ASSY RR PIVOT 8 METAL RR PIVOT 9 BUSH 60X65X30 10 NIPPLE GREASE B PT 11 O RING G65 12 O RING G60 13 METAL ASSY FR PIVOT 14 METAL FR PIVOT 15 BUSH 50X55X20 16 NIPPLE GREASE B PT 17...

Page 126: ...50 60 Usable limit 50 35 60 35 Fig 6 4 with a micro meter or vernier calipers If the measured value is less than usable limit replace the housing front axle or bush in Metal pivot F or Metal pivot R F...

Page 127: ...eds the usable limit correct play by screwing in the adjust bolt on the top of the pivot metal F Note Fig 6 9 Note After correcting the pivot metal play tighten the lock nut of the adjusting bolt to a...

Page 128: ...HRUST 6 GEAR 20T DIFF SIDE 7 WASHER THRUST 8 SHAFT DIFF PINION 9 PIN SPRING 5X25 10 PIN SPRING 3X25 11 BEARING BALL 6210 12 C RING SHAFT 40 13 PINION BEVEL 8T 14 BEARING BALL 6010 15 SHIM B 16 SPACER...

Page 129: ...e this pin and oil seal is apt to be damaged when removed 8 Remove the snap ring and the bevel pinion can then be removed together with the TRB s Fig 6 11 9 When separating the TRB s from the bevel pi...

Page 130: ...e gear c Each parts should be washed clean and There should be no sharp edge to the surface of thrust Fig 6 15 Fig 6 14 Note As a general rule a disassembled lock nut should be replaced and a new one...

Page 131: ...d the bevel pinion can then be installed together with the TRB s Fig 6 17 Fig 6 17 Note Discard the removed straight pin and oil seal and install a new pin and Oil seal when reassembled because this p...

Page 132: ...RING SHAFT 40 13 O RING S 95 14 SHAFT LH 15 SHAFT RH 16 PIN PARALLEL A 10X20 17 BOLT HEX M12X35 18 WASHER SPRING M12 1 CASE RH FINAL DRIVE B 2 CASE RH FINAL DRIVE B 3 SHAFT 4 GEAR BEVEL 8T 5 BEARING B...

Page 133: ...HEEL 6 11 Fig 6 19 3 1 Disassembly 1 Drain oil from the final case by removing the drain plug 2 Remove the tie rod or the tie rod end 3 Remove the final drive case clamping bolts and take out the asse...

Page 134: ...ipers When the measured value less than the usable limit replace the wheel shaft cover Standard value 72 Usable limit 72 05 6 12 8 Remove the seal from the wheel shaft cover Fig 6 23 9 Remove the cap...

Page 135: ...grease to bearings in advance 3 Every time a gear and bearings are installed its smooth rotation should be checked 5 Apply oil to the housing ahead of time to 6 13 Fig 6 26 4 The oil seal should be co...

Page 136: ...ds are not damaged 6 14 3 Tighten the bolts to specified torque Tightening torque 8 0 10 Kgf m Fig 6 29 that the rods are not damaged 2 Install the pin 2 before assembling the cylinder 3 Apply an adhe...

Page 137: ...replace Retighten or replace Replace Retighten Retighten Steering wheel tends to turn to the right or left while traveling on straight paved road 1 Deflected wear of tire Replace 1 Deflected wear of...

Page 138: ...1 GENERAL DESCRIPTION SECTION 2 SPECIFICATIONS SECTION 3 DISASSEMBLY INSPECTION AND REASSEMBLY 1 Rear axle housing and brake system 1 1 Disassembly 1 2 Inspection 1 3 Reassembly SECTION 4 TROUBLE SHO...

Page 139: ...isc mechanical operated brake system is employed Each of the brakes has 2 friction plates and can produce significant braking force with excellent durability The two actuators work to push their frict...

Page 140: ...cally operated Diameter 77 x 124 5 mm Thickness 3 4 0 1 mm Lining material Paper JEP 205S Number of plates 2 on each side Separator Plate diameter 77 x 126 mm Thickness 2 5 0 09 mm Number of plates 1...

Page 141: ...plate 1 HOUSING AXLE 2 SHAFT WHEEL PINION LH 3 BEARING BALL 4 C RING SHAFT 5 COVER BRAKE 6 BOLT HEX S 7 SHAFT WHEEL PINION RH 8 BEARING BALL 9 C RING HOLE 10 SEAL SHAFT 11 SHAFT WHEEL 12 COLLAR 51X5X1...

Page 142: ...plates 7 4 1 2 INSPECTION 1 Friction plates Replace the plates whose surfaces have been become glossy by carbonization or whose thickness exceeds the usable limit Standard thickness mm in 3 4 0 133 Us...

Page 143: ...replaced with a new one when reassembled 1 3 REASSEMBLY Reassemble the parts in reverse order of disassembly follow these precautions 1 Make sure that brake metal friction surfaces etc of the brakes a...

Page 144: ...al and take care not to be damaged when installing to the brake cam Pay particular attention to the installation of the snap ring The assembled wheel pinion should rotate smoothly 4 Replace the oil se...

Page 145: ...entric wear of actuator Replenish Replace Replace 3 Brake overheating Insufficient oil Excessive pedal free play Improper operation Replenish Adjust Operate brakes properly 4 Brake cannot be Improper...

Page 146: ...pump 2 2 Steering valve 2 3 Oil tank SECTION 3 FUNCTION 3 1 Technical Data SECTION 4 DISASSEMBLY INSPECTION AND REASSEMBLY 4 1 Major component 4 2 Special tools 4 3 Disassembly 4 4 Inspection 4 5 Reas...

Page 147: ...of Independent system The oil from tank flows into gear pump of orbitrol via filter and the quantity of oil in the proportion to the rotations of steering wheel flows into steering Cylinder Via R por...

Page 148: ...n direction C W as viewed from shaft end 2 Power steering valve Unit orbitrol MODEL T233HST T273HST Displacement cc rev 63 Rated flow min 16 Maximum system pressure kgf cm2 125 Max back pressure kgf c...

Page 149: ...steering wheel is turned oil is directed from the steering system pump via the rotary valve and rotary meter to the cylinder ports L or R depending on the direction of turn The rotary meter meters the...

Page 150: ...the maximum torque on the steering wheel will not exceed 2 Nm 17 7 lbf in If the oil flow from the steering system pump fails or is too small the steering unit functions automatically as a manual ste...

Page 151: ...g tolerance is 20 bar 290 psi CHECK VALVE The check valve protects the driver against kickbacks in the steering wheel It prevents the oil from flowing back into the pump line during steering under hig...

Page 152: ...eal ring 2 Housing spool and sleeve 3 Ball 4 Ball stop 5 Shaft seal 7 Bearing 10 Ring 11 Cross pin 12 Set of springs 13 Cardan shaft 14 Spacer 15 O ring 16 Distributor plate 17 Gear wheel set 18 O rin...

Page 153: ...e no SJ150L0396 01 E Pliers for piston in pressure relief valve code no SJ150 9000 25 Reassembly 1 Major component of steering valve orbitrol STEP 1 Column If there is a steering column on OSPM place...

Page 154: ...imperfect parts if any c Always replace all sealing parts during a repair Balls and ball stop 3 4 37 Shake out check valve ball not in all units ball stop and emergency steering ball Use pincers if ne...

Page 155: ...e spool and sleeve together turn the spools so that the key slots are opposite each other STEP 4 Springs 12 Insert the curved springs between the flat springs and push them into place see sketch STEP...

Page 156: ...dan shaft End cover 19 Place the cover so that the hole marked P lines up with port P in the housing 6 o clock or 12 o clock STEP 14 Special screws 20 22 23 Fit screws with O rings Remove the retainer...

Page 157: ...st panel or in a system with pressure gauge read off b Insert plastic plug STEP 18 Dust seal 1 Guide the dust seal ring down over the shaft end press into place in the housing with assembly tool SJ 15...

Page 158: ...essure of relief valve 2 Ball nut heavy to work Adjust fluid level properly Wash clean or replace 4 Trouble machine mechanism 1 Poor link work Wash and replenish oil 1 Poor link work 2 Excessive secto...

Page 159: ...ir trapped in cylinder and pipe line 4 Excessive backlash column 5 Poor turning of column or wear of bearing Replace column Wash and Adjust fluid level and pressure properly Deflate the air Adjust col...

Page 160: ...gyrotor lower the unit Reassemble 9 Steering wheel is very heavy to begin turning 1 Oil density is too high or cool Replace oil 10 External Oil leakage 1 column 2 End cap gyrotor 3 Tightening Bolt Re...

Page 161: ...REMOTE HYDRAULIC CONTROL 1 Remote hydraulic control valve optional 9 1 9 2 9 3 9 3 9 4 9 7 9 9 9 10 9 15 9 16 9 16 1 Remote hydraulic control valve optional SECTION 5 HYDRAULIC SYSTEM 1 Hydraulic cyl...

Page 162: ...operated by a control valve which is actuated by the control lever through a link mechanism ON and OFF of the PTO is controlled by a hydraulic wet multi disc clutch whose circuit is opened and closed...

Page 163: ...Cracking pressure f 120 Relief pressure f 145 Gear pump Delivery 91 efficiency litre cu in mm at 2700rpm 26 Fluid TDH oil or Donax TD Suction filter Rated flow min 35 Filtration density mesh 150 Filtr...

Page 164: ...5x42x40 Bush 40x46x40 7 Crank lift 8 Spring pin 6x40 9 Rod piston 10 Ring 11 O ring P70 12 Piston hyd 13 Cylinder comp 14 O ring 15 Valve assy main control 16 Bolts M8x45 17 Valve assy flow control 18...

Page 165: ...e for PTO circuit s over the main circuit 1 PTO Solenoid valve 1 Solenoid This solenoid is switched on or off by operating the PTO switch The oil pressure flows from the back pressure of the power ste...

Page 166: ...he left hand side of the valve passing through port its pressure will be set as P2 As PTO valve and HST unit are interconnected then P2 HST unit The force imposed upon the left hand side of the valve...

Page 167: ...de by spring force So that the spool is pushed rightwards to connect port T2 and port A Therefore no fluid from the steering valve is branched off to the PTO clutch that is all fluid flows to the cont...

Page 168: ...This valve regulates the lowering speed of the lift by controlling the unloading flow from the lift cylinder to the tank Dust seal Snap ring Collar Body 0 ring Adjust screw Back up ring 0 ring Stop r...

Page 169: ...s down whereas the opening of choke C increases and the lowering speed of the lift is accelerated when the adjust screw is unscrewed counterclockwise When the adjust screw screwed in completely the po...

Page 170: ...isassembly the current screwing in depth of the adjust screw should be written down or memorized for later reference 3 MEASUREMENT OF THE RELIEF PRESSURE 1 3 POINT TO TEST RELIEF PRESSURE Fig 9 9 Reli...

Page 171: ...efficiency in accordance with revolution speed That is single pump system 2 Gear pump 9 10 1 Main pump 2 Steering pump 3 Drain plug 3 OPERATIONS This pump induces fluid from one side and delivers it...

Page 172: ...ective parts 1 DISASSEMBLY Remove the key Remove front and rear pump Be sure not to be damaged the o ring or steel ball Fig 9 16 Front and rear pump Remove the rear pump Detach the cover Remove the o...

Page 173: ...ightening bolts Tightening torque 2 5 2 8 f m Fig 9 21 Cover bolt Install the oil seal snap ring and key 9 12 Fig 9 19 Front and rear pump Install the front pump with rear pump After installing the ca...

Page 174: ...in replace the gear pump set 3 Bushing With clean working fluid surfaces are rarely scratched and should be smooth If there are many scratches on the bore walls or on parts which are in contact with...

Page 175: ...ing by its outer dust lip Therefore if an oil seal has damaged or deformed lips it should be replaced 6 MEASUREMENT OF THE PUMP The best way to measure for the pump is to use a special tester But if i...

Page 176: ...iltration 2 SPECIFICATIONS Suction filter 3 REPLACEMENT Check the O rings for damage or deformation and replace defective ones When installing the filters be sure to install the O rings properly with...

Page 177: ...emote hydraulic control valve OPTIONAL 1 VALVE DETENT 2 O RING P10 3 O RING P16 4 BOLT HEX M10X90 5 UNION O RING 9 16 Fig 9 31 Remote hydraulic pump 6 PIPE AUX VALVE 7 COUPLING A 8 LEVER COMP AUX VALV...

Page 178: ...p and the main control valve and is given a priority to draw hydraulic power The valve is installed on the right hand side of the hydraulic cylinder case and the connecting ports are provided under th...

Page 179: ...t leak Oil temperature 50 122 Under a load of 100Kgf 9 cc min below Recommended fluid THF 500 Operating temperature range 20 80 4 SPECIFICATIONS 9 18 4 1 HYDRAULIC CIRCUIT Fig 9 33 Remote hydraulic pu...

Page 180: ...e 4 The lift arms should be assembled mutually by reference to their matching marks 5 When installing the control valve apply grease to the O rings and avoid their dislocation or binding during tighte...

Page 181: ...Apply grease to the roll bush 10 Apply grease to the cylinder case and lift arm face Which touched with each other 11 When assemble the lift crank on the lift shaft mesh their splines using the align...

Page 182: ...g with sealing tape 14 Tighten the slow return valve to the specified torque 1000 1200 f and be sure not to damage the O ring 9 5 10 5mm at the full closed valve Tightening torque 10 12kgf m Apply oil...

Page 183: ...drive parts 2 Drive in the roll pin into the linkage pin through the rod and lock the pin 3 Be sure not to over operate within specified spool stroke 7mm between up and down at neutral position 24 mm...

Page 184: ...3 LINKAGE EXTERNAL Fig 9 41Linkage external Starting torque 6 8kgf cm Bolts 9 23 Note Bolts 7 should be tightened after setting the lever up with 6 8 kgf cm of starting torque...

Page 185: ...ght of the implement It consists of a feed back valve direction control valve flow control unloading valve and holding check valve 4 2 SPECIFICATIONS Reference Maximum operating pressure 300 Kgf cm 42...

Page 186: ...N Reference 1 Neutral position In the neutral position convensater spool 711 in open Unload Main spool 311 and check valve 511 531 is closed and its pressure is enough to rest the force of lift arm Ci...

Page 187: ...pool is moved to lifting position pump pressure is increased and open the check valve 511 531 The lift arm moved to lifting position by flowing to cylinder and operate piston Circuit diagram in the li...

Page 188: ...3 Lowering position If main spool moved to lower positions pump is unloading and the lift arm moved to lower position by flowing to tank in the cylinder 9 27 Fig 9 46...

Page 189: ...the NEUTRAL position Spring chamber of unloading valve connected to TANK T2 Therefore the force imposed upon the right hand side of the unloading valve then the fluid from the pump flows into TANK T1...

Page 190: ...Fluid from the pump flows into unloading valve spring therefore the force imposed up the left hand side of the unloading check valve Consequently the fluid in the T1 port becomes to close the unloadi...

Page 191: ...imposed up the right hand side of the unloading check therefore the fluid from the pump flows into the Tank T1 Consequently the force imposed up the left hand side of the main check valve which is co...

Page 192: ...arts side by side on 5 SECTION SERVICING INSTRUCTIONS 9 31 Main spool and related parts Remove the snap ring E and draw out the main spool carefully Note The main spool and spool head are screw fitted...

Page 193: ...9 in the correct direction Put the spring in and tighten the plug to the specified torque Unloading valve 20 and related parts Install the spool and confirm that the returns smoothly by the spring for...

Page 194: ...oil of SAE80 10 Maladjusted relief valve Readjust Cracking refer to the specifications 11 Excessive internal leaks Inspect cylinder and valves Replace damaged seals and repair Check each part systemat...

Page 195: ...isassembling cleaning repairing flaws with oil stone 9 34 3 Seized lift shaft Apply grease and repair or replace bushings or shaft if necessary 4 Stuck main spool Lap lightly after disassembling clean...

Page 196: ...and repair pump parts and replace damaged ones if necessary 10 Oil leaks Broken or fatigues oil seal or Replace 9 35 10 Oil leaks outside pump Broken or fatigues oil seal or O ring Replace 11 Oil leak...

Page 197: ...orn or broken sealing of PTO clutch Replace 4 Worn friction plates or driven plates Replace 5 Overheated fluid Refer to paragraph for fluid overheating 6 Port B regulated pressure is too high of Flow...

Page 198: ...N 4 Meters and switches 1 Meters 1 1 Removal 1 2 Tacho Hour meter 1 3 Fuel gauge and fuel gauge sensor 1 4 Thermometer 10 1 10 1 10 2 10 2 10 2 10 2 10 3 10 5 10 5 10 5 10 5 10 5 10 5 1 4 Thermometer...

Page 199: ...s a device that enables the operator to be aware of the present operating conditions oil pressure gauge water temperature gauge thermometer fuel gauge etc are installed All the controls meters and ind...

Page 200: ...andard temperature of 20 t Temperature of the electrolyte at the time of measurement St Specific gravity of the electrolyte measured at t 1 3 BATTERY CHARGING 10 2 1 2 INSPECTION OF ELECTROLYTE SPECIF...

Page 201: ...ck electrolyte level Electrolyte level is above top of plates in all cells proceed to step 2 10 3 Step 2 Hydrometer test 50 points or more variation between highest and lowest cell Less than 50 points...

Page 202: ...temperature of electrolyte 4 Refer to voltage table Voltage below table value Voltage equal to or above table value return to service Replace Step 3 Load test Voltage table Estimated electrolyte temp...

Page 203: ...eter assembly Engine speed rpm 1000 2500 Allowable error rpm 150 150 1 3 Fuel gauge and Fuel gauge sensor a Construction 10 5 c Then the meter panel can be detached by removing the wire harness coupli...

Page 204: ...me moving magnet type meters as the fuel gauge As the coolant temperature becomes higher the resistance in the thermo unit sensor become lower which results in more current to the meter circuit and sw...

Page 205: ...e the ring nut with a conventional screw drive and remove the combination switch 2 Inspection Each switch circuit is as shown so check each switch for a continuity across respective terminals with a t...

Page 206: ...N 3 0 5mm Total stroke 8mm 4 STOP LIGHT SWITCH 5 RELAY UNIT Fig 10 15 Stop light switch 10 8 OFF 2 Horn switch 1 Terminals 2 Switching positions 1 Terminals 2 Switching positions Color code B Black LW...

Page 207: ...The circuit has 8 blade type fuses in its wiring circuit When a fuse has blown replace it with one of the same value Fig 10 18 Note Using a large capacity fuse or wire burn out the wiring system Use...

Page 208: ...ler should be of the same size or smaller than those on the trailer Fig 10 23 B type Socket No Description Color Specification Wire Housing A type B type 1 Earth B W AV 1 25 1 2 Small light Tail light...

Page 209: ...tapped hole in the axle bracket 3 Earthed at upper tapped hole in the dash panel 1 Front axle bracket 3 In the dash cover 10 11 3 Earthed at upper tapped hole in the dash panel Fig 10 25 Fig 10 26 2 C...

Page 210: ...SECTION 6 WIRING DIAGRAM 10 12...

Page 211: ...ive light switch Check and renew Several light bulbs burnt out due to defective voltage regulation Check and renew voltage regulator Alternator 10 15 to defective voltage regulation Alternator Individ...

Page 212: ...s See Individual lights do not illuminate See Individual lights do not illuminate Problems Causes Countermeasures 2 INSTRUMENTATION 10 16 Inoperative or erratic meters Loose or broken wiring Inspect C...

Page 213: ...do not heat red Discharged Battery Check battery and charge or renew Loose or defective battery cable connections Inspect clean and tighten connections 10 17 Loose wire harness connections Check and e...

Page 214: ...he engine manual 4 STARTING SYSTEM 5 CHARGING SYSTEM 10 18 Problems Causes Countermeasures Battery is low in charge or discharge Loose or worn alternator drive belt Check and adjust belt tension or re...

Page 215: ...es Check and renew Warning light is normal but battery is discharged Defective voltage regulator Check and renew Faulty starter Check and renew Faulty rectifier or rectifying diodes Check and renew Wa...

Page 216: ...gine accessories 2 Clutch damper 3 Transmission 4 Front axle 5 Rear Axle 6 Power steering system 7 Hydraulic system 8 Electrical equipment 11 1 11 1 11 2 11 2 11 3 11 4 11 4 11 4 11 6 SECTION 2 TIGHTE...

Page 217: ...er 100 hours of operation Replace a damaged on or one which has been used more than 500 hours a Cleaning when dust is dry Apply compressed air of 7Kgf or lower to the inside of the element to blow dus...

Page 218: ...k flatness 0 2 Spline hub No of teeth 10 Large diameter 19 7 Small diameter 16 2 CLUTCH DAMPER 11 2 PTO clutch Disk flatness 0 2 Driven plate thickness 1 6 0 05 1 5 mm Driven plate flatness 0 15 Brake...

Page 219: ...f Wheel alignment Toe in 2 6 Camber 3 1 Caster 3 1 Steering angle 52 1 Front center pivot shaft dia 50 49 9 wear limit 0 1 bush 50 55 20 50 50 2 wear limit 0 2 Rear shaft dia 60 59 9 wear limit 0 1 11...

Page 220: ...TE PLATE Thickness wear and damage 2 5 0 09 2 5 3 BRAKE ROD TURN BUCKLE Pedal play at the top 20 30 6 POWER STEERING SYSTEM CHAPTER 8 11 4 6 POWER STEERING SYSTEM CHAPTER 8 1 GEAR PUMP Capacity 3 7 re...

Page 221: ...O clutch port 9 f over 5 SLOW RETURN CHECK VALVE Flow control valve Maximum pressure 280 f Gear oil SAE 80 90 at a temperature of 50 5 Cylinder port leaks 1 min at a pressure of 90 f 6 MAIN CONTROL VA...

Page 222: ...id Replace battery Specific gravity 1 24 1 26 Correct Level As specified on case Replace with distilled water Damage Replace battery 3 ELECTROLITE 2 METER PANELAND OTHER SWITCHES 1 STARTER SWITCH 11 6...

Page 223: ...n lever is moved by about 3 mm 0 12 in across R and LR Replace a defective switch assembly 6 STOP LIGHT SWITCH 11 7 6 STOP LIGHT SWITCH Continuity across each terminal Switched on when actuator is pus...

Page 224: ...pinion lock nut M 16 7T M 12 7T M 14 7T M 12 7T M 18 7T M 110 7T M 16 7T M 8 M 8 M 8 16 0 18 0 9 0 11 0 13 0 15 0 9 0 11 0 2 0 2 4 5 5 7 0 16 0 18 0 1 3 1 8 1 3 1 8 1 3 1 8 2 Transmission Front transm...

Page 225: ...eters to inches Millimeters to inches Millimeters to inches Millimeters to inches in mm in mm in mm 1 64 0 3969 25 64 9 9219 13 16 20 6375 1 32 0 7938 13 32 10 3188 53 64 21 0344 3 64 1 1906 27 64 10...

Page 226: ...3264 357 6072 100 miles 0 1 2 3 4 5 6 7 8 9 miles Length Feet to M eters Length Feet to M eters Length Feet to M eters Length Feet to M eters M eters to Feet M eters to Feet M eters to Feet M eters t...

Page 227: ...s Square c entimeters to Square inc hes 11 11 in3 0 1 2 3 4 5 6 7 8 9 in3 cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc cm3 cc 0 0 000 16 387 32 774 49 161 65 548 81 935 98 322 114 70...

Page 228: ...Gallons U S Gallons IM P to Liters Gallons IM P to Liters Gallons IM P to Liters Gallons IM P to Liters 11 12 Imp gal 0 1 2 3 4 5 6 7 8 9 Imp gal Liters Liters Liters Liters Liters Liters Liters Lite...

Page 229: ...ams Kilograms to pound Kilograms to pound Kilograms to pound Kilograms to pound 11 13 Kg 0 1 2 3 4 5 6 7 8 9 Kg N N N N N N N N N N 0 0 000 9 807 19 614 29 421 39 228 49 035 58 842 68 649 78 456 88 26...

Page 230: ...ters to Pounds per s quare inc hes Kilograms per s quare c entimeters to Pounds per s quare inc hes Kilograms per s quare c entimeters to Kilo pas c al Kilograms per s quare c entimeters to Kilo pas c...

Page 231: ...ot pounds Kilogram meters to Foot pounds Kilogram meters to Foot pounds Kilogram meters to new tonmeters Kilogram meters to new tonmeters Kilogram meters to new tonmeters Kilogram meters to new tonmet...

Page 232: ...140 0 25 3 9 160 71 1 4 24 8 62 143 6 30 1 1 165 73 9 2 28 4 64 147 2 35 1 7 170 76 7 0 32 0 66 150 8 40 4 4 175 79 4 2 35 6 68 154 4 45 7 2 180 82 2 4 39 2 70 158 0 50 10 0 185 85 0 6 42 8 72 161 6 5...

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