Kubota WSM B2050 Tractor Workshop Manuals

Manuals and User Guides for Kubota WSM B2050 Tractor Workshop. We have 1 Kubota WSM B2050 Tractor Workshop manual available for free PDF download: Workshop Manual

Kubota WSM B2050 Workshop Manual (539 pages)

Brand: Kubota | Category: Tractor | Size: 44 MB

Information

4
- Table of Contents
  4
- Safety First
  5
- Safety Decals
  8
- Specifications
  11
- Traveling Speeds
  15
- Dimensions
  17
General

21
- 1 Tractor Identification
  
  22
- 2 General Precautions
  
  23
- 3 Handling Precautions for Electrical Parts and Wiring
  
  24
  - Wiring
    24
  - Battery
    26
  - Fuse
    26
  - Connector
    26
  - Handling of Circuit Tester
    27
  - Color of Wiring
    28
- 4 Lubricants, Fuel and Coolant
  
  29
- 5 Tightening Torques
  
  31
- 6 Maintenance Check List
  
  33
- 7 Check and Maintenance
  
  35
  - Daily Check
    35
  - Check Points of Every 50 Hours
    39
  - Check Points of Every 100 Hours
    43
  - Check Points of Every 200 Hours
    50
  - Check Points of Every 400 Hours
    55
  - Check Point of Every 800 Hours
    57
  - Check Point of Every 1500 Hours
    57
  - Check Point of Every 3000 Hours
    57
  - Check Points of Every 1 Year
    57
  - Check Points of Every 2 Years
    58
  - Others
    60
- 8 Special Tools
  
  64
  - Special Tools for Engine
    64
  - Special Tools for Tractor
    71
  - Special Tools for Cabin
    74
- 9 Tires
  
  77
  - Tire Pressure
    77
  - Wheel Adjustment
    78
    
    Front Wheels
    78
    
    Rear Wheels
    79
  - Ballast
    80
- 10 Implement Limitations
  
  82
Servicing

89
- 1 Troubleshooting
  
  90
- 2 Servicing Specifications
  
  96
- 3 Tightening Torques
  
  102
  - Tractor Section
    102
  - Engine Section
    102
- 4 Checking, Disassembling and Servicing
  
  103
  - Checking and Adjusting
    103
    
    Engine Body
    103
    
    Lubricating System
    105
    
    Cooling System
    106
    
    Fuel System
    108
  - Preparation
    111
    
    Draining Lubricants and Coolant
    111
    
    Separating Engine from Clutch Housing (CABIN)
    113
    
    Separating Engine from Front Axle Frame (CABIN)
    116
    
    Separating Engine from Clutch Housing (ROPS)
    116
    
    Separating Engine from Front Axle Frame (ROPS)
    119
  - Disassembling and Assembling
    120
    
    External Components
    120
    
    Cylinder Head and Valve and Oil Pan
    121
    
    Gear Case
    123
    
    Piston and Connecting Rod
    127
    
    Crankshaft
    130
  - Servicing
    132
    
    Cylinder Head and Valves
    132
    
    Idle Gear and Camshaft
    138
    
    Piston and Connecting Rod
    140
    
    Crankshaft
    144
    
    Cylinder
    149
    
    Oil Pump
    150
Servicing

155
- Troubleshooting
  156
- Servicing Specifications
  157
- Tightening Torques
  158
- Checking, Disassembling and Servicing
  159
  - Checking and Adjusting
    159
  - Disassembling and Assembling
    160
    
    Separating Engine from Clutch Housing
    160
    
    Separating Clutch Assembly
    163
  - Servicing
    164
Mechanism

166
- 1 Structure
  
  168
- 2 Front Case
  
  173
  - Structure (Hst with Bi-Speed Turn Model)
    173
  - Bi-Speed Turn Linkage
    174
    
    Linkage
    174
    
    Linkage: Bi-Speed Turn "Engaged
    174
    
    Linkage: Bi-Speed Turn "Disengaged
    175
  - Bi-Speed Turn Powertrain
    176
    
    Hydraulic Circuit
    176
    
    Bi-Speed Turn "Engaged
    177
    
    Bi-Speed Turn "Disengaged
    177
- 3 Manual Transmission
  
  178
  - Structure
    178
    
    Main Gear Shift Section
    178
    
    Shuttle Gear Shift Section
    179
- 4 Hydrostatic Transmission
  
  180
  - Structure
    180
  - Pump and Motor
    182
  - Oil Flow and Valves
    183
  - Control Linkage
    190
    
    ROPS Model
    190
    
    CABIN Model
    190
- 5 Cruise Control
  
  191
  - Cruise Control Linkage [Cabin Model]
    191
    
    Cruise Control Release
    192
  - Cruise Control Linkage (Rops Model)
    193
    
    Cruise Control
    193
    
    Cruise Control Release
    194
- 6 Range Gear Shift Section
  
  195
- 7 Front Wheel Drive Section
  
  196
- 8 Pto System (Hydraulic Pto Clutch Model)
  
  197
  - Structure
    197
  - Rear Pto Section
    198
  - Rear Pto / MID-Pto Section
    199
  - MID-Pto Section
    200
  - Independent Pto
    201
    
    Hydraulic Circuit
    201
    
    Independent PTO Control Valve
    202
    
    Independent PTO Clutch
    203
    
    Independent PTO Lever "Engaged
    204
    
    Independent PTO Lever "Disengaged
    205
- 9 Pto System (Mechanical Pto Clutch Model)
  
  206
  - Structure
    206
  - Rear Pto Section
    207
  - Rear Pto / MID-Pto Section
    208
  - MID-Pto Section
    208
  - One-Way Clutch System
    209
- 10 Differential Gear System
  
  210
  - Differential Function
    210
  - Differential Lock
    211
Servicing

212
- Troubleshooting
  213
- Servicing Specifications
  218
- Tightening Torques
  220
- Checking, Disassembling and Servicing
  221
  - Checking and Adjusting
    221
    
    Bi-Speed Turn
    221
    
    Hst
    222
    
    Independent PTO Control Valve
    226
  - Preparation
    227
    
    Draining Lubricants and Coolant
    227
    
    Separating Transmission from Tractor Body (CABIN)
    229
    
    Separating Engine and Clutch Housing (CABIN)
    233
    
    Separating Transmission from Tractor Body (ROPS)
    233
    
    Separating Engine and Clutch Housing (ROPS)
    235
  - Disassembling and Assembling
    236
    
    Front Case
    236
    
    Main Gear Shift Section
    241
    
    Mechanical PTO Clutch Assembly
    243
    
    Hydrostatic Transmission (HST)
    246
    
    PTO Clutch Case (HST Model)
    256
    
    Bevel Pinion Shaft
    257
    
    Range Gear Shaft
    258
    
    Front Wheel Drive Shaft
    259
    
    Independent PTO Clutch Shifter
    260
    
    Independent PTO Clutch
    262
    
    MID-PTO Section
    266
    
    Differential Gear Section
    268
  - Servicing
    269
    
    Bi-Speed Turn Clutch
    269
    
    Mechanical PTO Clutch
    269
    
    Hst
    270
    
    Independent PTO Clutch
    273
    
    Transmission Case
    274
    
    Differential Gear
    275
    
    Rear Axle
    278
Servicing

293
- Troubleshooting
  294
- Servicing Specifications
  295
- Tightening Torques
  296
- Checking, Disassembling and Servicing
  297
  - Checking and Adjusting
    297
  - Disassembling and Assembling
    298
    
    Brake Pedal (Cabin HST Model)
    298
    
    Brake Pedal (ROPS Manual Transmission Model)
    300
    
    Brake Pedal (ROPS HST Model)
    300
    
    Parking Brake Lever
    301
    
    Separating Rear Axle Case
    301
  - Servicing
    305
  - Front Axle
    306
Servicing

309
- 1 Troubleshooting
  
  310
- 2 Servicing Specifications
  
  311
- 4 Checking, Disassembling and Servicing
  
  313
  - Checking and Adjusting
    313
  - Disassembling and Assembling
    314
    
    Separating Front Axle Assembly
    314
    
    Disassembling Front Axle Assembly
    315
  - Servicing
    321
Mechanism

326
- Hydraulic Circuit
  327
- Steering Controller
  328
- Steering Cylinder
  329
- Hydraulic Pump
  330
Servicing

331
- 1 Troubleshooting
  
  332
- 2 Servicing Specifications
  
  334
- 4 Checking, Disassembling and Servicing
  
  336
  - Checking
    336
    
    Relief Valve
    336
    
    Hydraulic Pump for Power Steering
    336
  - Disassembling
    336
    
    Separating Power Steering Controller (CABIN Type)
    336
    
    Separating Power Steering Controller (ROPS Type)
    338
    
    Power Steering Controller (ROPS Type)
    338
    
    Power Steering Cylinder
    339
  - Servicing
    341
    
    Power Steering Cylinder
    341
    
    Hydraulic System
    342
Mechanism

343
- 1 Hydraulic Circuit
  
  344
- 2 Hydraulic Pump
  
  347
- 3 Three Points Hydraulic System
  
  348
  - Hydraulic Circuit
    348
    
    Manual Transmission Model (Without Front Loader Valve)
    348
    
    HST Model (with Front Loader Control Valve)
    348
  - Relief Valve
    349
    
    Manual Transmission Model (Without Front Loader Valve)
    349
    
    HST Model (with Front Loader Control Valve)
    350
  - Position Control Valve
    351
    
    Structure
    351
    
    Operation
    352
  - Feedback Linkage for Position Control
    354
- 4 Front Loader Control Valve (if Equipped)
  
  355
  - Structure
    355
  - Operation
    356
- 5 Remote Control Valve (if Equipped)
  
  363
- 6 Hydraulic Outlet
  
  364
  - Manual Transmission Model
    364
    
    Front Hydraulic Outlet
    364
    
    Rear Hydraulic Outlet
    365
  - Hst Model
    366
    
    Rear Hydraulic Outlet
    366
Servicing

367
- 2 Servicing Specifications
  
  370
- 4 Checking, Disassembling and Servicing
  
  373
Mechanism

392
- 1 Wiring Diagram
  
  393
  - Rops Model (Except for B3150)
    393
  - B3150 Rops
    394
  - Cabin Model
    395
- 2 Engine Starting System and Stopping System
  
  396
  - Opc System Circuit
    396
  - Controller
    397
  - Safety Switch
    402
    
    PTO Select Lever Switch (Only Model with MID PTO)
    403
    
    PTO Clutch Lever Switch
    404
    
    HST Pedal Switch (HST Model)
    404
    
    Shuttle Shift Lever Switch (Manual Transmission Model)
    405
    
    Seat Switch
    405
    
    Parking Brake Switch
    405
  - Starter
    406
  - Key Stop Solenoid
    406
  - Glow Plug
    407
- 3 Charging System
  
  408
  - Alternator
    409
  - IC Regulator
    410
- 4 Lighting System
  
  411
  - Head Light
    411
  - Turn Signal Light
    413
  - Hazard Light
    415
  - Beacon
    417
  - Brake Light
    419
  - Work Light (Cabin Model Only)
    420
  - Trailer Socket
    421
- 5 Instrument Panel
  
  422
  - Easy Checker
    422
  - Gauges and Other Indicators
    423
  - Error Code Display (Cabin Model Only)
    425
  - Switches and Sensors
    425
Servicing

428
- 1 Troubleshooting
  
  429
- 2 Servicing Specifications
  
  435
- 4 Checking and Adjusting
  
  437
  - Battery
    437
  - Fuse
    438
  - Relays
    439
    
    Relays (ROPS Model)
    439
    
    Relays (CABIN Model)
    441
  - Starting System
    443
    
    Key Switch
    443
    
    Safety Switches
    445
    
    OPC Controller
    446
    
    Starter
    447
    
    Glow Plug
    448
  - Charging System
    449
    
    Alternator
    449
  - Lighting System
    450
    
    Combination Switch (ROPS Model)
    450
    
    Combination Switch (CABIN Model)
    452
    
    Hazard Switch (Cabin Model Only)
    454
    
    Beacon Switch
    455
    
    Flasher Unit
    456
    
    Brake Lamp Switch
    457
    
    Work Light Switch (CABIN Model Only)
    458
    
    Dome Light (CABIN Model Only)
    459
  - Warning Lamp, Indicator Lamp and Gauge
    460
    
    Instrument Panel (ROPS Model)
    460
    
    Instrument Panel (CABIN Model)
    461
    
    Engine Oil Pressure Switch
    462
    
    Coolant Temperature Sensor (ROPS Model)
    463
    
    Coolant Temperature Sensor (CABIN Model)
    464
    
    Fuel Sensor
    465
    
    Bi-Speed Turn Switch
    465
    
    Engine Rotation Sensor (CABIN Model Only)
    466
    
    Display Switch
    467
- 5 Disassembling and Assembling
  
  468
  - Starter
    468
  - Alternator
    468
- 6 Servicing
  
  471
  - Starter
    471
  - Alternator
    472
Mechanism

475
- 1 Outline of Air Conditioning System
  
  476
  - Structure
    476
  - Air Conditioning System
    478
- 2 Refrigeration System
  
  479
  - Compressor
    479
    
    Pressure Relief Valve
    480
    
    Magnetic Clutch
    480
  - Condenser
    481
  - Receiver
    482
  - Air Conditioner Unit
    483
    
    Evaporator
    484
    
    Heater Core
    485
- 3 System Control
  
  486
- 4 Electrical System
  
  487
  - Electrical Circuit
    487
  - Relay
    488
Servicing

490
- 1 Troubleshooting
  
  491
- 2 Servicing Specifications
  
  495
- 4 Precautions at Repairing Refrigerant Cycle
  
  497
  - Handling of Service Tools
    499
    
    Manifold Gauge Set
    499
    
    Refrigerant Charging Hose
    500
    
    Vacuum Pump Adaptor
    501
    
    Electric Gas Leak Tester
    501
    
    Can Tap Valve
    501
    
    T-Joint
    502
    
    R134A Refrigerant Recovery and Recycling Machine
    502
- 5 Checking and Charging Refrigerant Cycle
  
  503
  - Checking with Manifold Gauge
    503
  - Discharging, Evacuating and Charging
    507
    
    Discharging the System
    507
    
    Evacuating the System
    508
    
    Charging the System
    509
    
    Checking Charging Refrigerant Amount
    511
- 6 Checking, Disassembling and Servicing
  
  512
  - Checking and Adjusting
    512
    
    Compressor
    512
    
    Control Panel (Blower Switch, A/C Switch, Mode Control Dial and Temperature Control Dial)
    513
    
    Blower Resistor
    515
    
    Blower Motor
    516
    
    Temperature Motor
    516
    
    Mode Motor
    517
    
    Air Conditioner Relay and Blower Relay
    517
    
    Pressure Switch
    518
    
    Wiper Switch
    519
    
    Wiper Motor
    520
    
    Defogger
    520
  - Disassembling and Assembling
    522
    
    Separating Cabin from Tractor Body
    522
    
    Removing Compressor Assembly
    526
    
    Removing Receiver and Condenser
    528
    
    Removing Air Conditioner Unit
    528
    
    Removing Air Conditioner Pipes
    530
    
    Removing Heater Hoses
    532
    
    Cabin Windshields
    533
    
    Wiper Motor
    537
  - Servicing
    538

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Kubota WSM B2050 Tractor Workshop Manuals

Kubota WSM B2050 Workshop Manual (539 pages)

Table of Contents

Information

General

1 Tractor Identification

2 General Precautions

3 Handling Precautions for Electrical Parts and Wiring

4 Lubricants, Fuel and Coolant

5 Tightening Torques

6 Maintenance Check List

7 Check and Maintenance

8 Special Tools

9 Tires

10 Implement Limitations

Servicing

1 Troubleshooting

2 Servicing Specifications

3 Tightening Torques

4 Checking, Disassembling and Servicing

Servicing

Mechanism

1 Structure

2 Front Case

3 Manual Transmission

4 Hydrostatic Transmission

5 Cruise Control

6 Range Gear Shift Section

7 Front Wheel Drive Section

8 Pto System (Hydraulic Pto Clutch Model)

9 Pto System (Mechanical Pto Clutch Model)

10 Differential Gear System

Servicing

Servicing

Servicing

1 Troubleshooting

2 Servicing Specifications

4 Checking, Disassembling and Servicing

Mechanism

Servicing

1 Troubleshooting

2 Servicing Specifications

4 Checking, Disassembling and Servicing

Mechanism

1 Hydraulic Circuit

2 Hydraulic Pump

3 Three Points Hydraulic System

4 Front Loader Control Valve (if Equipped)

5 Remote Control Valve (if Equipped)

6 Hydraulic Outlet

Servicing

2 Servicing Specifications

4 Checking, Disassembling and Servicing

Mechanism

1 Wiring Diagram

2 Engine Starting System and Stopping System

3 Charging System

4 Lighting System

5 Instrument Panel

Servicing

1 Troubleshooting

2 Servicing Specifications

4 Checking and Adjusting

5 Disassembling and Assembling

6 Servicing

Mechanism

1 Outline of Air Conditioning System

2 Refrigeration System

3 System Control

4 Electrical System

Servicing

1 Troubleshooting

2 Servicing Specifications

4 Precautions at Repairing Refrigerant Cycle

5 Checking and Charging Refrigerant Cycle

6 Checking, Disassembling and Servicing

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