Kubota B3000 Tractor Workshop Manual – PDF DOWNLOAD

Description

Kubota B3000 Tractor Workshop Manual – PDF DOWNLOAD

DESCRIPTION:

Kubota B3000 Tractor Workshop Manual – PDF DOWNLOAD

TO THE READER :
This Workshop Manual tells the servicing personnel about the mechanism, servicing and
maintenance of the B3000. It contains 4 parts: “Information”, “General”, “Mechanism” and
“Servicing”.
? Information
This section primarily contains information below.
• Safety First
• Safety Decal
• Specification
• Dimension
? General
This section primarily contains information below.
• Engine Identification
• Model Identification
• General Precautions
• Maintenance Check List
• Check and Maintenance
• Special Tools
? Mechanism
This section contains information on the structure and the function of the unit. Before you continue
with the subsequent sections, make sure that you read this section.
Refer to the latest version of Workshop Manual (Code No. 9Y021-01870 / 9Y021-18200) for the
diesel engine / tractor mechanism that this workshop manual does not include.
? Servicing
This section primarily contains information below.
• Troubleshooting
• Servicing Specifications
• Tightening Torques
• Checking, Disassembling and Servicing

• All illustrations, photographs and specifications contained in this manual are of the newest
  information available at the time of publication.
• KUBOTA reserves the right to change all information at any time without notice.

TABLE OF CONTENTS:

Kubota B3000 Tractor Workshop Manual – PDF DOWNLOAD

B3000………………………………………………………………………… 1
TO THE READER……………………………………………………………… 2
I INFORMATION……………………………………………………………… 3
INFORMATION……………………………………………………………. 4
1. SAFETY FIRST…………………………………………………….. 5
2. SAFETY DECALS……………………………………………………. 8
3. SPECIFICATIONS…………………………………………………… 12
4. TRAVELING SPEEDS…………………………………………………. 13
5. DIMENSIONS………………………………………………………. 14
G GENERAL…………………………………………………………………. 15
GENERAL……………………………………………………………….. 16
1. TRACTOR IDENTIFICATION……………………………………………. 17
2. GENERAL PRECAUTIONS………………………………………………. 18
3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING…………………. 19
[1] WIRING……………………………………………………… 19
[2] BATTERY…………………………………………………….. 21
[3] FUSE……………………………………………………….. 21
[4] CONNECTOR…………………………………………………… 21
[5] HANDLING OF CIRCUIT TESTER……………………………………. 22
[6] COLOR OF WIRING……………………………………………… 23
4. LUBRICANTS, FUEL AND COOLANT………………………………………. 24
5. TIGHTENING TORQUES……………………………………………….. 26
[1] GENERAL USE SCREWS, BOLTS AND NUTS…………………………….. 26
[2] STUD BOLTS………………………………………………….. 26
[3] HYDRAULIC FITTINGS…………………………………………… 27
(1) Hydraulic Hose Fittings…………………………………… 27
(2) Hydraulic Pipe Cap Nuts…………………………………… 27
(3) Adaptors, Elbows and Others……………………………….. 27
[4] METRIC SCREWS, BOLTS AND NUTS…………………………………. 28
[5] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR UNF THREADS….. 28
[6] PLUGS………………………………………………………. 28
6. MAINTENANCE CHECK LIST……………………………………………. 29
7. CHECK AND MAINTENANCE…………………………………………….. 31
[1] DAILY CHECK…………………………………………………. 31
[2] CHECK POINTS OF INITIAL 50 HOURS………………………………. 35
[3] CHECK POINTS OF EVERY 50 HOURS………………………………… 38
[4] CHECK POINTS OF EVERY 100 HOURS……………………………….. 40
[5] CHECK POINTS OF EVERY 200 HOURS……………………………….. 44
[6] CHECK POINTS OF EVERY 300 HOURS……………………………….. 47
[7] CHECK POINTS OF EVERY 400 HOURS……………………………….. 47
[8] CHECK POINTS OF EVERY 800 HOURS……………………………….. 48
[9] CHECK POINT OF EVERY 1500 HOURS……………………………….. 48
[10] CHECK POINT OF EVERY 3000 HOURS………………………………. 48
[11] CHECK POINTS OF EVERY 1 YEAR…………………………………. 49
[12] CHECK POINTS OF EVERY 2 YEARS………………………………… 50
[13] OTHERS…………………………………………………….. 53
8. SPECIAL TOOLS……………………………………………………. 58
[1] SPECIAL TOOLS FOR ENGINE……………………………………… 58
[2] SPECIAL TOOLS FOR TRACTOR…………………………………….. 63
[3] SPECIAL TOOLS FOR CABIN………………………………………. 67
9. TIRES…………………………………………………………… 71
[1] TIRE PRESSURE……………………………………………….. 71
[2] TREAD………………………………………………………. 72
(1) Front Wheels…………………………………………….. 73
(2) Rear Wheels……………………………………………… 74
[3] TIRE LIQUID INJECTION AND BALLAST……………………………… 75
10. IMPLEMENT LIMITATIONS……………………………………………. 78
1 ENGINE………………………………………………………………….. 80
SERVICING……………………………………………………………… 81
1. TROUBLESHOOTING………………………………………………….. 82
2. SERVICING SPECIFICATIONS………………………………………….. 85
3. TIGHTENING TORQUES……………………………………………….. 90
[1] TRACTOR SECTION……………………………………………… 90
[2] ENGINE SECTION………………………………………………. 90
4. CHECKING, DISASSEMBLING AND SERVICING………………………………. 91
[1] CHECKING AND ADJUSTING……………………………………….. 91
(1) Engine Body……………………………………………… 91
(2) Lubricating System……………………………………….. 93
(3) Cooling System…………………………………………… 93
(4) Fuel System……………………………………………… 96
[2] PREPARATION………………………………………………….100
(1) Separating Cabin from Tractor Body………………………….100
(2) Separating Engine and Front Case……………………………100
[3] DISASSEMBLING AND ASSEMBLING…………………………………..104
(1) External Components……………………………………….104
(2) Cylinder Head and Valve and Oil Pan…………………………104
(3) Gear Case………………………………………………..107
(4) Piston and Connecting Rod………………………………….111
(5) Crankshaft……………………………………………….114
[4] SERVICING……………………………………………………116
(1) Cylinder Head and Valves…………………………………..116
(2) Idle Gear and Camshaft…………………………………….122
(3) Piston and Connecting Rod………………………………….124
(4) Crankshaft……………………………………………….127
(5) Cylinder…………………………………………………131
(6) Oil Pump…………………………………………………132
2 TRANSMISSION……………………………………………………………..133
MECHANISM………………………………………………………………134
1. STRUCTURE………………………………………………………..135
2. FRONT CASE……………………………………………………….136
3. HYDROSTATIC TRANSMISSION…………………………………………..137
[1] STRUCTURE……………………………………………………137
[2] PUMP AND MOTOR……………………………………………….139
[3] OIL FLOW AND VALVES…………………………………………..140
[4] CONTROL LINKAGE………………………………………………148
4. CRUISE CONTROL……………………………………………………149
[1] CRUISE CONTROL LINKAGE………………………………………..149
(1) Cruise Control……………………………………………149
(2) Cruise Control Release…………………………………….150
5. RANGE GEAR SHIFT SECTION…………………………………………..151
6. FRONT WHEEL DRIVE SECTION………………………………………….152
7. PTO SYSTEM……………………………………………………….153
[1] STRUCTURE……………………………………………………153
[2] REAR PTO SECTION……………………………………………..154
[3] REAR PTO / MID-PTO SECTION…………………………………….155
[4] MID-PTO SECTION………………………………………………156
8. DIFFERENTIAL GEAR SYSTEM…………………………………………..157
[1] DIFFERENTIAL FUNCTION…………………………………………157
[2] DIFFERENTIAL LOCK…………………………………………….158
SERVICING………………………………………………………………159
1. TROUBLESHOOTING…………………………………………………..160
2. SERVICING SPECIFICATIONS…………………………………………..163
3. TIGHTENING TORQUES………………………………………………..165
4. CHECKING, DISASSEMBLING AND SERVICING……………………………….166
[1] CHECKING AND ADJUSTING………………………………………..166
(1) HST……………………………………………………..166
(2) Cruise Control……………………………………………169
[2] PREPARATION………………………………………………….169
(1) Separating Cabin from Tractor Body………………………….169
(2) Separating Engine and Front Case……………………………169
(3) Removing Outer Parts from Transmission………………………170
[3] DISASSEMBLING AND ASSEMBLING…………………………………..173
(1) Front Case……………………………………………….173
(2) Hydraulic Transmission (HST)……………………………….174
(3) PTO Clutch Case…………………………………………..184
(4) Bevel Pinion Shaft………………………………………..185
(5) Range Gear Shaft………………………………………….186
(6) Front Wheel Drive Shaft……………………………………187
(7) Independent PTO Clutch Shifter……………………………..188
(8) Independent PTO Clutch…………………………………….190
(9) Mid-PTO Section…………………………………………..194
(10) Differential Gear Section…………………………………196
[4] SERVICING……………………………………………………197
(1) HST……………………………………………………..197
(2) Independent PTO Clutch…………………………………….201
(3) Transmission Case…………………………………………202
(4) Differential Gear…………………………………………202
3 REAR AXLE………………………………………………………………..205
MECHANISM………………………………………………………………206
1. STRUCTURE………………………………………………………..207
SERVICING………………………………………………………………208
1. TROUBLESHOOTING…………………………………………………..209
2. TIGHTENING TORQUES………………………………………………..210
3. CHECKING, DISASSEMBLING AND SERVICING……………………………….211
[1] DISASSEMBLING AND ASSEMBLING…………………………………..211
[2] SERVICING……………………………………………………213
4 BRAKES…………………………………………………………………..214
MECHANISM………………………………………………………………215
1. FEATURE………………………………………………………….216
2. OPERATION………………………………………………………..217
SERVICING………………………………………………………………218
1. TROUBLESHOOTING…………………………………………………..219
2. SERVICING SPECIFICATIONS…………………………………………..220
3. CHECKING, DISASSEMBLING AND SERVICING……………………………….221
[1] CHECKING AND ADJUSTING………………………………………..221
[2] DISASSEMBLING AND ASSEMBLING…………………………………..221
[3] SERVICING……………………………………………………225
5 FRONT AXLE……………………………………………………………….226
MECHANISM………………………………………………………………227
1. STRUCTURE………………………………………………………..228
SERVICING………………………………………………………………229
1. TROUBLESHOOTING…………………………………………………..230
2. SERVICING SPECIFICATIONS…………………………………………..231
3. TIGHTENING TORQUES………………………………………………..232
4. CHECKING, DISASSEMBLING AND SERVICING……………………………….233
[1] CHECKING AND ADJUSTING………………………………………..233
[2] DISASSEMBLING AND ASSEMBLING…………………………………..234
(1) Separating Front Axle Assembly……………………………..234
(2) Disassembling Front Assembling……………………………..235
[3] SERVICING……………………………………………………241
6 STEERING…………………………………………………………………245
MECHANISM………………………………………………………………246
1. HYDRAULIC CIRCUIT…………………………………………………247
2. STEERING CONTROLLER……………………………………………….248
3. STEERING CYLINDER…………………………………………………249
SERVICING………………………………………………………………250
1. TROUBLESHOOTING…………………………………………………..251
2. SERVICING SPECIFICATIONS…………………………………………..252
3. TIGHTENING TORQUES………………………………………………..253
4. CHECKING, DISASSEMBLING AND SERVICING……………………………….254
[1] CHECKING…………………………………………………….254
(1) Relief Valve……………………………………………..254
[2] DISASSEMBLING………………………………………………..255
(1) Separating Power Steering Controller………………………..255
(2) Power Steering Controller………………………………….256
(3) Power Steering Cylinder……………………………………257
[3] SERVICING……………………………………………………259
(1) Power Steering Cylinder……………………………………259
7 HYDRAULIC SYSTEM………………………………………………………….260
MECHANISM………………………………………………………………261
1. HYDRAULIC CIRCUIT…………………………………………………262
[1] B3000HSDC……………………………………………………262
[2] B3000HSDCC…………………………………………………..263
2. HYDRAULIC PUMP……………………………………………………264
3. HYDRAULIC BLOCK…………………………………………………..265
4. POWER STEERING……………………………………………………266
[1] HYDRAULIC CIRCUIT…………………………………………….266
[2] POWER STEERING CONTROLLER……………………………………..267
[3] STEERING CYLINDER…………………………………………….268
5. INDEPENDENT PTO…………………………………………………..269
[1] HYDRAULIC CIRCUIT…………………………………………….269
[2] INDEPENDENT PTO CONTROL VALVE………………………………….269
[3] INDEPENDENT PTO CLUTCH………………………………………..270
[4] INDEPENDENT PTO LEVER “ENGAGED”………………………………..271
[5] INDEPENDENT PTO LEVER “DISENGAGED”……………………………..272
6. THREE POINTS HYDRAULIC SYSTEM………………………………………273
[1] HYDRAULIC CIRCUIT…………………………………………….273
(1) B3000HSDC………………………………………………..273
(2) B3000HSDCC……………………………………………….273
[2] RELIEF VALVE…………………………………………………274
[3] QUARTER INCHING VALVE (FOR B3000HSDC)…………………………..275
[4] FEEDBACK LINKAGE FOR QUARTER INCHING VALVE………………………275
[5] POSITION CONTROL VALVE (FOR B3000HSDCC)…………………………276
(1) Neutral………………………………………………….277
(2) Lift…………………………………………………….277
(3) Shockless Mechanism Operating (Lift to Neutral)………………278
(4) Down…………………………………………………….278
[6] FEEDBACK LINKAGE FOR POSITION CONTROL…………………………..279
SERVICING………………………………………………………………280
1. TROUBLESHOOTING…………………………………………………..281
2. SERVICING SPECIFICATIONS…………………………………………..283
3. TIGHTENING TORQUES………………………………………………..284
4. CHECKING, DISASSEMBLING AND ASSEMBLING………………………………285
[1] CHECKING AND ADJUSTING………………………………………..285
(1) Hydraulic Pump……………………………………………285
(2) Independent PTO Control Valve………………………………287
(3) 3-Points Hitch Relief Valve………………………………..288
(4) Lift Arm…………………………………………………289
[2] DISASSEMBLING AND ASSEMBLING…………………………………..291
(1) Hydraulic Pump……………………………………………291
(2) Power Steering Controller………………………………….291
(3) Independent PTO Clutch…………………………………….292
(4) 3-Points Hitch : Separating Hydraulic Cylinder……………….293
(5) 3-Points Hitch : Hydraulic Cylinder (B3000HSDC)………………296
(6) 3-Points Hitch : Hydraulic Cylinder (B3000HSDCC)……………..298
[3] SERVICING……………………………………………………302
8 ELECTRICAL SYSTEM…………………………………………………………304
MECHANISM………………………………………………………………305
1. WIRING DIAGRAM……………………………………………………306
[1] CAB…………………………………………………………306
2. ENGINE STARTING SYSTEM AND STOPPING SYSTEM…………………………..307
[1] OPC SYSTEM CIRCUIT……………………………………………307
[2] SAFETY SWITCH………………………………………………..307
(1) PTO Shift Lever Switch…………………………………….308
(2) Independent PTO Lever Switch……………………………….309
(3) HST Pedal Switch………………………………………….310
(4) Seat Switch………………………………………………311
(5) Seat Tilt Switch………………………………………….312
[3] CONTROLLER…………………………………………………..313
[4] SAFETY SWITCH POSITION AND ENGINE CONDITION……………………..317
3. LIGHTING SYSTEM…………………………………………………..318
[1] LIGHT AND TAIL LIGHT………………………………………….318
[2] TURNING LIGHT………………………………………………..318
[3] HAZARD LIGHT…………………………………………………319
4. EASY CHECKER™…………………………………………………….320
[1] INDICATION ITEMS……………………………………………..320
SERVICING………………………………………………………………321
1. TROUBLESHOOTING…………………………………………………..322
2. SERVICING SPECIFICATIONS…………………………………………..326
3. TIGHTENING TORQUES………………………………………………..327
4. CHECKING, DISASSEMBLING AND SERVICING……………………………….328
[1] CHECKING AND ADJUSTING………………………………………..328
(1) Battery………………………………………………….328
(2) Main Switch………………………………………………330
(3) Relay……………………………………………………332
(4) Glow Plug………………………………………………..333
(5) Safety Switches…………………………………………..334
(6) Starter………………………………………………….340
(7) Alternator……………………………………………….340
(8) OPC Controller……………………………………………341
(9) Combination Switch………………………………………..342
(10) Hazard Switch……………………………………………344
(11) Flasher Unit…………………………………………….346
(12) Easy Checker™……………………………………………346
(13) Gauges………………………………………………….348
[2] DISASSEMBLING AND ASSEMBLING…………………………………..350
(1) Starter………………………………………………….350
(2) Alternator……………………………………………….351
[3] SERVICING……………………………………………………353
(1) Starter………………………………………………….353
(2) Alternator……………………………………………….354
9 CABIN……………………………………………………………………356
MECHANISM………………………………………………………………357
1. OUTLINE OF AIR CONDITIONING SYSTEM………………………………….358
[1] STRUCTURE……………………………………………………358
[2] AIR FLOW…………………………………………………….360
[3] AIR CONTROL VENT……………………………………………..360
[4] CONTROL PANEL………………………………………………..361
[5] OPERATION……………………………………………………362
2. REFRIGERATION SYSTEM………………………………………………366
[1] COMPRESSOR…………………………………………………..367
(1) Scroll Type Compressor…………………………………….367
(2) Pressure Relief Valve……………………………………..368
(3) Magnetic Clutch…………………………………………..369
[2] CONDENSER……………………………………………………370
[3] RECEIVER…………………………………………………….371
[4] AIR CONDITIONER UNIT………………………………………….372
(1) Expansion Valve…………………………………………..372
(2) Evaporator……………………………………………….373
(3) Heater Core………………………………………………374
(4) Water Valve………………………………………………374
(5) Blower…………………………………………………..375
3. SYSTEM CONTROL……………………………………………………376
4. ELECTRICAL SYSTEM…………………………………………………377
[1] ELECTRICAL CIRCUIT……………………………………………377
[2] BLOWER RELAY, COMPRESSOR RELAY, THERMO SWITCH AND PRESSURE SWITCH….378
(1) Compressor Relay………………………………………….379
(2) Blower Switch…………………………………………….380
(3) Thermo Switch…………………………………………….381
(4) Pressure Switch…………………………………………..382
SERVICING………………………………………………………………384
1. TROUBLESHOOTING…………………………………………………..385
2. SERVICING SPECIFICATIONS…………………………………………..389
3. TIGHTENING TORQUES………………………………………………..390
4. PRECAUTIONS AT REPAIRING REFRIGERANT CYCLE…………………………..391
[1] HANDLING OF SERVICE TOOLS……………………………………..392
(1) Manifold Gauge Set………………………………………..392
(2) Refrigerant Charging Hose………………………………….393
(3) Vacuum Pump Adaptor……………………………………….394
(4) Electric Gas Leak Tester…………………………………..394
(5) Can Tap Valve…………………………………………….394
(6) T-joint………………………………………………….395
(7) R134a Refrigerant Recovery and Recycling Machine……………..395
5. CHECKING AND CHARGING REFRIGERANT CYCLE……………………………..396
[1] CHECKING WITH MANIFOLD GAUGE…………………………………..396
[2] DISCHARGING, EVACUATING AND CHARGING……………………………401
(1) Discharging the System…………………………………….401
(2) Evacuating the System……………………………………..402
(3) Charging the System……………………………………….403
(4) Checking Charging Refrigerant Amount………………………..405
6. CHECKING, DISASSEMBLING AND SERVICING……………………………….406
[1] CHECKING AND ADJUSTING………………………………………..406
(1) Compressor……………………………………………….406
(2) Air Conditioner Unit………………………………………406
(3) Front Winshield Wiper……………………………………..411
(4) Working Light…………………………………………….412
[2] DISASSEMBLING AND ASSEMBLING…………………………………..413
(1) Separating Cabin from Tractor………………………………413
(2) Removing Compressor Assembly……………………………….420
(3) Removing Receiver and Condensor…………………………….422
(4) Removing Air Conditioner Unit………………………………424
(5) Cabin Winshield…………………………………………..428
[3] SERVICING……………………………………………………432
(1) Compressor……………………………………………….432

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KUBOTA B3000 TRACTOR WORKSHOP MANUAL – PDF DOWNLOAD:

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• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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