Kubota B2910 - User Manual

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MAN

U A L .

TRACTOR

82410

82710.

82910

Table of Contents

Safety Instructions3
Avoid Fires4
Safety Starting4
Safety Working4
Dispose of Fluids Properly5
Prepare for Emergencies5
Prevent Acid Burns5
Ventilate Work Area5
Safety Decals6
Specifications (82410)9
Specifications (82710-82910)10
Travelling Speed11
Dimensions12
Table of Contents14
General14
Features16
Tractor Identification17
General Precautions18
Handling Precautions for Electrical Parts and Wiring18
- Wiring19
- Battery20
- Fuse21
- Connector21
- Handling of Circuit Tester22
Lubricants, Fuel and Coolant23
Tightening Torques24
- General Use Screws, Bolts and Nuts24
- Stud Bolts24
Maintenance25
Check and Maintenance26
- Daily Check26
- Check Points of Initial 50 Hours27
- Check Points of Every 50 Hours31
- Check Points of Every 100 Hours34
- Check Points of Every 200 Hours37
- Check Points of Every 300 Hours39
  - Checking Intake Air Line39
  - Adjusting Toe-In39
- Check Points of Every 400 Hours40
- Check Points of Every 800 Hours41
- Check Points of Every 1500 Hours41
- Check Points of Every 3000 Hours41
- Check Points of Every 2 Years42
- Others43
Implement Limitations62
- Mechanism64
- 1-M166
- Cylinder Block66
- ENGINE Body 1-M166
- 1-M267
- Cylinder Head67
- 1-M368
- Crankshaft68
- Piston and Piston Rings 1-M368
- 1-M469
- Connecting Rod 1-M469
- Fuel Camshaft 1-M469
- Intake and Exhaust Valve 1-M570
- Rocker Arm 1-M570
- Valve Timing 1-M570
- 1-M671
- Air Cleaner 1-M671
  - Flywheel71
  - Muffler71
- Lubricating System 1-M772
- 1-M873
- Oil Pump73
- Relief Valve 1-M873
- 1-M974
- Oil Filter Cartridge74
- Oil Pressure Switch 1-M974
- COOLING System 1-M1075
- Water Pump 1-M175
- 1-M1176
  - Radiator76
  - Thermostat76
- 1-M1277
- Fuel Line77
- FUEL System 1-M1277
- Radiator Cap77
- 1-M1378
- Fuel Filter78
- 1-M1479
- Fuel Feed Pump79
- 1-M1580
  - Fuel Delivery80
  - Injection Control80
  - Injection Pump80
  - No Fuel Delivery (Engine Stop)80
  - Delivery Valve81
  - Dumping Valve81
  - Pump Element81
- 1-M1782
  - Governor82
  - Injection Nozzle82
  - At High Speed Running with Overload83
  - At Idling83
  - At Start83
  - During Overload83
  - Servicing84
  - Either White or Blue Exhaust Gas Is Observed86
  - Engine Does Not Start86
  - Engine Revolution Is Not Smooth86
- Troubleshooting86
  - Deficient Output87
  - Excessive Lubricant Oil Consumption87
  - Fuel Mixed into Lubricant Oil87
  - Low Oil Pressure87
  - Engine Overheated88
- Servicing Specifications 1-S489
- Tightening Torques95
- Checking, Disassembling and Servicing 1-S1196
- Draining Coolant, Engine Oil and Transmission Fluid 1-S1196
- Separating Engine96
  - Draining Transmission Fluid97
  - Hood, Side Cover and Battery Cord97
  - Meter Panel and Panel under Cover98
  - Steering Wheel98
  - Bi-Speed Turn Cable99
  - Fuel Tank99
  - Drag Link100
  - Propeller Shaft Cover and Coupling100
  - Universal Joint and Bearing Holder100
  - Outer Parts101
  - Separating Front Axle Assembly101
  - Separating the Engine from Clutch Housing101
  - Checking and Adjusting102
  - Compression Pressure102
- Engine Body102
  - Top Clearance102
  - Valve Clearance103
  - Cylinder Head and Valves104
  - Cylinder Head Cover and Injection Pipes104
  - Disassembling and Assembling104
  - Dynamo, Fan Belt and Muffler104
  - Nozzle Heat Seal Service Removal Procedure105
  - Rocker Arm and Push Rod105
  - Tappets106
  - Fan Drive Pulley107
  - Timing Gears, Camshaft and Fuel Camshaft107
  - Valves107
  - Fuel Pump, Hour Meter Gear Case and Water Pump108
  - Gear Case108
  - Speed Control Plate108
  - Governor Shaft110
  - Camshaft and Idle Gear 1111
  - Fork Lever111
  - Connecting Rod Cap112
  - Oil Pan and Oil Strainer112
  - Piston and Connecting Rod112
  - Pistons113
  - Piston Ring and Connecting Rod114
  - Bearing Case Cover115
  - Crankshaft Assembly115
  - Cylinder Head Surface Flatness116
  - Main Bearing Case Assembly116
  - Clearance between Valve Stem and Valve Guide117
  - Cylinder Head Flaw117
  - Valve Recessing117
  - Replacing Valve Guide118
  - Valve Seating118
  - Correcting Valve and Valve Seat119
  - Valve Lapping119
  - Free Length and Tilt of Valve Spring120
  - Oil Clearance between Rocker Arm and Rocker Arm Shaft120
  - Valve Spring Setting Load120
  - Oil Clearance between Tappet and Tappet Guide Bore121
  - Push Rod Alignment121
  - Timing Gear Backlash122
  - Camshaft Alignment123
  - Camshaft Side Clearance123
  - Idle Gear 2 Side Clearance (V1305, V1505)123
  - Idle Gear Side Clearance123
  - Cam Height124
  - Oil Clearance between Idle Gear Shaft and Idle Gear Bushing124
  - Oil Clearance of Camshaft Journal124
  - Oil Clearance between Piston Pin and Small End Bushing125
  - Piston Pin Bore 1.0.125
  - Replacing Idle Gear Bushing125
  - Piston Ring Gap126
  - Replacing Small End Bushing126
  - Clearance between Piston Ring and Piston Ring Groove127
  - Connecting Rod Alignment127
  - Crankshaft Alignment128
  - Crankshaft Side Clearance128
  - Oil Clearance between Crankpin and Crankpin Bearing129
  - Oil Clearance between Crankshaft Journal and Crankshaft Bearing 1130
  - Replacing Crankshaft Bearing 1130
  - Oil Clearance between Crankshaft Journal and Crankshaft Bearing 2 (Crankshaft Bearing 3)131
  - Cylinder Wear132
  - Correcting Cylinder133
- Checking134
  - Clearance between Outer Rotor and Pump Body134
  - Engine Oil Pressure134
- Lubricating System 1-S49134
- Rotor Lobe Clearance134
- Checking and Adjusting135
- Clearance between Rotor and Cover135
- Cooling System135
  - Fan Belt Damage and Wear135
  - Fan Belt Tension135
  - Radiator Water Leakage135
  - Radiator Cap Air Leakage136
  - Thermostat Assembly136
  - Water Pump Assembly136
  - Thermostat Valve Opening Temperature137
- Fuel System138
- Injection Pump 1-S53138
  - Injection Timing138
  - Fuel Tightness of Delivery Valve139
  - Fuel Tightness of Pump Element139
  - Fuel Injection Pressure140
- Injection Nozzle 1-S55140
  - Nozzle Spraying Condition140
  - Nozzle Holder141
  - Valve Seat Tightness141
  - Linkage Mechanism145
  - Clutch "Disengaged"146
  - Clutch "Engaged"146
  - Operation146
- Checking and Adjusting152
- Checking, Disassembling and Servicing152
- Disassembling and Assembling153
- Separating Engine from Clutch Housing153
- 2-S8157
- Separating Clutch Assembly157
- 2-S9158
  - Structure162
  - (1 )-1 Structure164
  - Hydrostatic Transmission164
  - Travelling System164
  - (1)-2 Pump and Motor166
  - (1 )-3 Oil Flow and Valves167
  - Charge Relief Valve168
  - Check and High Pressure Relief Valve168
  - Neutral Valve168
  - (1)-4 Operation169
  - Forward170
  - Reverse171
  - (1)-5 Control Linkage172
  - (1)-6 Cruise Control Linkage (B2910 Only)173
  - (1)-7 Cruise Control Release System (82910 Only)174
  - (2)-1 Hi-Lo Gear Shift Section (82410)175
  - (2)-2 Range Gear Shift Section (82710-82910)175
  - (3)-1 Front Wheel Drive Section (82410)176
  - (3)-2 Front Wheel Drive Section (82710-82910)176
  - MID-PTO Section177
  - Pto System177
  - Rear Pta Shift Lever on Position177
  - Rear PTO Section177
  - Differential Function178
  - Differential Gear System178
  - During Straight Running178
  - During Turning178
  - Differential Lock179
- Troubleshooting182
- SERVICING Specifications185
- Tightening Torques187
  - Adjusting Maximum Speed188
  - Adjusting Neutral188
- Checking and Adjusting188
  - Adjusting Cruise Control Linkage189
  - Adjusting Cruise Control Release Linkage189
  - Cruise Control Lever189
  - Cruise Control Linkage189
  - Charge Relief Pressure190
  - Charge Relief Pressure and High Relief Pressure190
  - High Relief Pressure190
  - Neutral Valve Actuation Test191
- Disassembling and Assembling192
- Separating Engine from Clutch Housing192
  - Clutch Housing Rear Cover197
  - Clutch Rod and Clutch Release Fork197
- Disassembling Clutch Housing197
  - Battery Connector198
  - Clutch Shaft and Others198
  - Roll-Over Protective Structures (Raps) and 3 Point Hitch198
- Separating Center Frame and Transmission Case198
  - Seat, Fender, Steering Wheel, Panel, Step and Others199
  - HST Pedal200
  - Sub Frame RH, HST Delivery Pipe and Pipe Clamp201
  - Sub Frame RH, Hydraulic Pipes and Others201
  - Separating Transmission Case from Center Frame and Hydrostatic Transmission (HST)202
  - Separating Hydraulic Cylinder, Rear Axle Cases and Others203
  - Separating MID-PTO Case, Transmission Case and Differential Case203
  - 14T Gear204
  - Charge Pump204
- Disassembling Transmission Case204
- Hydrostatic Transmission204
  - Neutral Holder and Neutral Holder Arm204
  - Center Section205
  - Input Shaft205
  - Motor Cylinder Block and Pump Cylinder Block205
  - 4Th Gear Shaft and Spiral Bevel Pinion Shaft206
  - Cover A, B and Trunnion Shaft206
- Transmission Case206
  - 2Nd Gear Shaft and Middle Shaft207
  - Bearing Holder207
  - Front Wheel Drive Shaft207
  - Differential Gear Assembly208
- Disassembling Differential Gear Case208
  - MID-Pta Shaft208
  - Pta Shaft208
  - Differential Side Gear and Differential Pinion209
  - Spiral Bevel Gear209
  - Checking Bearing210
- Clutch Housing210
- Hydrostatic Transmission210
- Servicing210
  - Cylinder Block Bore and Pistons211
  - Cylinder Block Face211
  - Piston Slipper and Retainer Plate211
  - Valve Plate211
  - Oil Seals and Bearings for Shaft212
  - Thrust Plate and Swashplate212
  - Trunnion Shaft Cover212
  - Clearance between Shift Fork and Shift Gear Groove213
  - Clearance between 13T Gear and 3Rd Shaft214
  - Clearance between Differential Case (Spiral Bevel Gear) and Differential Side Gear214
  - Backlash between Differential Pinion and Differential Side Gear215
  - Clearance between Differential Pinion Shaft and Differential Pinion215
  - Backlash between Spiral Bevel Pinion and Spiral Bevel Gear216
  - Separating Rear Axle Case225
  - Rear Wheels (82410 Only)226
  - Rear Wheels (82710, 82910)226
  - Rear Axle Case (Bi-Speed Turn Type Only)227
  - Separating Rear Axle Case from Differential Gear Case227
  - Differential Lock Shift Fork, Differential Lock Clutch (Right Side Only), 57T Gear and Rear Axle228
  - Disassembling Rear Axle Case228
  - Rear Axle Case (82710, 82910)228
- SERVICING Specifications236
- Troubleshooting236
  - Adjusting Brake Pedal Free Travel237
  - Brake Pedal237
- Tightening Torques237
  - Clearance between Brake Pedal Shaft and Center Frame Bush238
  - Separating Brake Pedal238
- Disassembling and As8Embling239
  - Disassembling Brake Assembly239
  - Separating Rear Axle Case with Brake Assembly239
  - Brake Assembly240
  - Brake Cam Lever Movement240
  - Brake Discs and Friction Plate240
  - Brake Disc and Friction Plate Wear241
  - Cam Plate Flatness and Bearing Holder Wear241
  - Height of Cam Plate and Ball241
  - 2 Wheel Drive Mode244
  - 4 Wheel Drive Model245
  - Bi-Speed Turn Type246
  - Bi-Speed Turn 4WD247
  - Bi-Speed Turn Power Train247
  - Standard 4WD247
  - Bi-Speed Cam248
  - Camber249
  - Caster249
  - Front Wheel Alignment249
  - Kingpin Angle249
  - Toe-In250
- Troubleshooting254
- SERVICING Specifications255
- Checking, Disassembling and Servicing259
  - Front Axle Rocking Force259
  - Toe-In Adjusting259
  - Bi-Speed Turn Change Cable (Bi-Speed Turn Type)260
  - Bi-Speed Turn Shift Rod (Bi-Speed Turn Type)260
  - Front Wheel Hub261
  - Tie-Rod and Knuckle Arm261
  - Knuckle Shaft262
  - Separation of Front Axle and Front Axle Frame262
  - Disconnecting Propeller Shaft263
  - Draining Front Axle Case Oil263
- Separating Front Axle Assembly263
  - Front Axle Assembly264
  - Bevel Gear Case and Front Gear Case265
- Disassembling Front Axle Assembly265
  - Tie-Rod and Axle Bracket265
  - Front Gear Case266
  - Axle267
  - Bevel Gear Case Gears267
  - Spiral Bevel Pinion Shaft and Differential Gear Assembly268
  - Differential Gear269
  - Disassembling and Assembling (Bi-Speed Turn Type)270
  - Front Axle271
  - Propeller Shaft271
  - Separation of Bi-Speed Turn Case272
  - Tie-Rod and Bevel Gear Case Assembly272
  - Shift Cam273
  - Shift Roller Shaft273
  - Ball Bearing and Oil Seal274
  - Separation of Bi-Speed Turn Gear Case274
  - Shift Fork, Shift Rod and Change Lever274
  - Bi-Speed Turn Clutch Assembly275
- 2WD Model276
  - Clearance between Center Pin and Pin Support276
  - Clearance between Differential Case (Differential Case Cover) and Differential Side Gear276
  - Clearance between Knuckle Shaft and Bushing276
  - Turning Torque of Spiral Bevel Pinion Shaft277
  - Backlash between 11 T Bevel Gear and 16T Bevel Gear278
  - Backlash between Spiral Bevel Pinion Shaft and Spiral Bevel Gear278
  - Clearance between Front Axle Case Bosses and Bracket Bushing279
  - Press-Fitting Bushing279
  - Bi-Speed Turn Clutch Friction Torque280
  - Clearance between Shift Fork and Shifter Groove280
  - Clutch Disc Wear and Friction Plate Wear281
  - Free Length of Bi-Speed Turn Spring281
  - Working Load of Bi-Speed Turn Spring281
  - Turning Force of Spiral Bevel Pinion Shaft and Backlash between Spiral Bevel Pinon Shaft and Spiral Bevel Gear282
  - Hydraulic Pump286
  - Hydraulic Circuit for Power Steering System287
  - Power Steering Body288
  - Neutral Position289
  - Oil Flow289
  - Left Turning290
  - Manual Operation291
  - Right Turning291
  - Operation of Relief Valve292
  - Flowmeter Connecting and Test Preparation299
  - Hydraulic Pump Checking and Adjusting299
  - Pump Test300
  - Removing Hydraulic Pump300
  - Clearance between Bushing and Shaft301
  - Clearance between Tip of Gear Tooth and Casing301
  - Cover, Side Plate and Gear301
  - Side Plate Thickness301
  - Power Steering Checking302
  - Relief Valve Setting Pressure302
  - Steering Wheel Operating Force302
  - Steering Wheel Play302
  - Separating Power Steering Assembly303
  - Power Steering Assembly304
  - Disassembling Power Steering Body305
  - Pitman Arm305
  - Side Cover and Sector Gear Shaft305
  - Steering Column305
  - Clearance between Steering Gear Box and Rack (Piston)306
  - Disassembling Valve Housing306
  - Valve Assembly306
  - Valve Assembly and Rack (Piston)306
  - Axial Play of Rack (Piston) Assembly307
  - Backlash between Sector Gear Shaft and Rack (Piston)307
  - Clearance between Valve Housing and Sleeve307
  - Hydraulic Circuit310
  - Hydraulic Block Type Outlet311
  - Lift313
  - Neutral313
  - Position Control Valve313
  - Down314
  - Shockless Mechanism315
  - Feedback Linkage for Position Control316
  - Hydraulic Cylinder317
  - Hydraulic Piston330
  - Lift Arm, Hydraulic Arm Shaft and Hydraulic Arm330
  - Lowering Speed Adjusting Valve330
  - Disassembling Position Control Valve331
  - Plunger331
  - Spool331
  - Hydraulic Cylinder Bore332
  - Poppet 1332
  - Poppet 2 and Unload Poppet332
  - Clearance between Hydraulic Arm Shaft and Bushing333
  - Wiring Diagram337
  - Electrical Circuit339
  - Starting System340
  - Starter341
  - Clutch Pedal, PTO Gear Shift Lever and HST Pedal342
  - Glow Plug342
  - Safety Switch342
  - Range Gear Shift Lever [Only 82710 Affected Serial No.: below 15496]343
  - Engine Key Switch Shut-Off System344
  - Engine Stop Solenoid344
  - Charging System345
  - AC Dynamo346
  - Regulator346
  - Lighting System347
  - Head Light348
  - Turn Signal Light348
  - Hazard Light349
  - Hazard Switch349
  - Starter Relay349
  - Easy Checker350
  - Engine Oil Pressure Alarm350
  - Engine Oil Pressure Switch350
  - Indication Items350
  - Coolant Temperature351
  - Fuel Level Sensor351
  - Fuel Quantity351
  - Gauge351
- Troubleshooting354
  - Battery Terminal Connection358
  - Battery Voltage358
- Checking358
- Checking, Disassembling and Servicing358
- Battery Specific Gravity359
- Checking359
- Main Switch359
- STARTING System359
  - Connector Voltage360
  - Main Switch Continuity360
  - Magnetic Switch Test361
  - Main Switch Key at START Position361
  - Motor Test361
- Starter361
  - Glow Plug Continuity362
  - Lead Terminal Voltage362
  - Safety Switch Continuity363
  - Disassembling Starter364
  - Brush Holder365
  - Brush Wear365
  - Armature Coil366
  - Field Coil366
- Checking367
- Engine Key Switch Shut-Off System367
  - Engine Stop Solenoid Test367
  - The Correct Voltage Output368
  - Battery Charging Current370
- Charging System370
- Checking370
  - Continuity Across Regulator's Terminals370
  - Dynamo No-Load Voltage370
- Checking371
- LIGHTING System371
- Checking374
- Easy Checker374
- Checking376
- Gauge376
  - Checking Engine Start System (OPC Specification)379
  - Replacing Fuse (OPS Specification)380
  - Color of Wiring381
  - OPC (Operator Presence Control) System381
  - OPC Type382
  - Clutch Pedal Switch383
  - Controller383
  - OPC System Circuit383
  - MID-PTO Shift Lever Switch384
  - PTO Shift Lever Switch384
  - Seat Switches384
  - Speed Control Pedal Switch384
  - Engine Automatically Stopping: Automatic Engine Stop386
  - Engine Starting386
  - Checking Safety Switches388
  - Safety Switches388
  - Clutch Pedal Switch, Speed Control Pedal Switch, MID-PTO Shift Lever Switch and PTO Shift Lever Switch Continuity389
  - Seat Reverse Switch Continuity389
  - Seat Switch Continuity389
  - Replacing Controller390
  - Specifications394
  - Front Tread399
  - Hydraulic System400
- Control Valve (Quarter Inching Valve)402
  - Slow up (Quarter Inching Control)402
  - Up402
  - Slow down (Quarter Inching Control)403
- Relief Valve404
- Feedback Linkage405
- Hydraulic Cylinder406
- Servicing Specifications408
- Tightening Torques409
- Checking and Adjusting410
- Hydraulic Cylinder Assembly and Hydraulic Block410
  - Lift Arm Free Play411
  - Control Valve412
- Disassembling and Assembling412
- Seat and Seat Stay412
- Separating Hydraulic Cylinder Assembly412
- Servicing414
- Electrical System415
- Wiring Diagram417
- Operators Presence Control (Opc)419
- Engine Automatically Stopping: Automatic Engine Stop421
- Engine Starting421

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Kubota B2910 Specifications

General

Fuel Type	Diesel
Transmission Type	Hydrostatic
Hydraulic System	Open center
3-Point Hitch	Category I
Lift Capacity	1, 323 lbs (600 kg)
Drive	4WD
Engine Type	Diesel, 4-cycle, liquid-cooled
Horsepower	30 hp
Number of Gears	Infinite (3 ranges)
Wheelbase	63 inches
PTO Horsepower	22 hp

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