Kubota KX080-4 Workshop Manual — RY911-24362

About this manual

Kubota published this Workshop Manual for the KX080-4 excavator models. It brings the documented service and technical-reference material for those named excavators into a single publication.

The manual is especially useful for work that crosses electrical and hydraulic systems: it includes electrical troubleshooting with connector views and pinouts, alongside hydraulic diagrams and valve-adjustment information.

Use the Manual Contents below to check that the exact repair, inspection, or maintenance procedure you need is included in this publication.

Manual details

Manufacturer

Kubota

Manual type

Workshop Manual

Models

KX080-4

Document number

RY911-24362

Language

English

Page count

560

Product highlights

Electrical systems

The manual includes wiring diagrams, electrical troubleshooting, connector views, and pinouts.

Hydraulic systems

The manual includes hydraulic circuit diagrams and hydraulic valve-adjustment material.

Specifications and settings

The manual includes reference information for wear limits, capacities, pressure specifications, speed ratings, and emission specifications.

Special tools

A special-tools section is included.

Maintenance

The manual includes a maintenance schedule and a lubrication chart.

Manual contents

Use these source headings to locate the task or system you need in the PDF.

• CONTENTS — p. 1
• TO THE READER — p. 2
• I INFORMATION — p. 4
  • INFORMATION — p. 5
    • 1. SAFETY FIRST — p. 6
    • 2. IN THE INTEREST OF WORK SAFETY — p. 7
      • [1] WORKING SAFELY WITH THE EQUIPMENT MEANS ALWAYS FOLLOWING THESE INSTRUCTIONS: — p. 7
        • (1) Precautions Before Working on the Machine — p. 7
        • (2) Precautions Before Working on the Equipment — p. 8
    • 3. LABELS DISPLAYED TO PROMOTE WORK SAFETY — p. 11
      • [1] LOCATIONS — p. 11
      • [2] LABEL MAINTENANCE — p. 16
    • 4. TABLE OF MAIN SPECIFICATIONS — p. 17
      • [1] STANDARD — p. 17
      • [2] TWO PIECE BOOM — p. 18
    • 5. DIMENSIONS — p. 19
      • [1] STANDARD — p. 19
      • [2] TWO PIECE BOOM — p. 20
• G GENERAL — p. 21
  • GENERAL — p. 22
    • 1. CHECKING EXCAVATOR IDENTIFICATION — p. 23
    • 2. ENGINE IDENTIFICATION — p. 24
      • [1] MODEL NAME AND SERIAL NUMBER — p. 24
      • [2] E4B ENGINE — p. 25
      • [3] CYLINDER NUMBER — p. 26
    • 3. MUFFLER FULL ASSEMBLY IDENTIFICATION — p. 27
      • [1] PART NUMBER AND SERIAL NUMBER — p. 27
    • 4. GENERAL PRECAUTIONS — p. 29
    • 5. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING — p. 33
      • [1] WIRING — p. 33
      • [2] FUSES — p. 35
      • [3] CONNECTOR — p. 35
      • [4] WASHING THE MACHINE WITH A HIGH-PRESSURE WASHER — p. 37
    • 6. TIGHTENING TORQUES — p. 38
      • [1] TORQUES FOR GENERAL USE NUTS AND BOLTS — p. 38
      • [2] STUD BOLTS — p. 38
      • [3] TORQUE FOR HYDRAULIC HOSE FITTINGS — p. 39
        • (1) Torque for Hydraulic Hose Fittings — p. 39
        • (2) Torques of Lock-Nuts for Elbows with Male Seats and Adaptors with O-rings (Straight Threads) — p. 39
      • [4] HOSE CLAMP SCREW TORQUE — p. 40
    • 7. OIL AND WATER CAPACITY TABLE — p. 42
    • 8. MAINTENANCE INTERVALS — p. 43
      • [1] OPERATOR SERVICING — p. 43
      • [2] SERVICING BY SKILLED PERSONNEL OR KUBOTA DEALER — p. 44
• 1 MACHINE BODY — p. 47
  • SERVICING — p. 48
    • 1. FRONT — p. 50
      • [1] BOOM ASSEMBLY/DISASSEMBLY — p. 50
      • [2] TWO PIECE BOOM ASSEMBLY/DISASSEMBLY — p. 52
      • [3] TABLE OF DIMENSIONS — p. 54
        • (1) Front Pin — p. 54
        • (2) Front Bushings — p. 55
        • (3) Arm — p. 56
        • (4) Blade — p. 57
    • 2. SWIVEL FRAME — p. 58
      • [1] WEIGHT ASSEMBLY/DISASSEMBLY — p. 58
      • [2] CABIN REMOVAL AND MOUNTING — p. 58
      • [3] FUEL TANK ASSEMBLY/DISASSEMBLY — p. 61
      • [4] HYDRAULIC OIL TANK ASSEMBLY/DISASSEMBLY — p. 68
      • [5] ASSEMBLY/DISASSEMBLY OF ENGINE RELATED COMPONENTS — p. 70
        • (1) DPF Muffler — p. 70
        • (2) Engine — p. 72
      • [6] ASSEMBLING OPERATING LEVERS — p. 75
        • (1) Travel Lever — p. 75
        • (2) Blade Lever — p. 75
        • (3) Limit Switch — p. 75
    • 3. TRACK FRAME — p. 76
      • [1] SWIVEL BEARING ASSEMBLY/DISASSEMBLY — p. 76
      • [2] TRACK — p. 77
        • (1) Assembly/Disassembly of the Rubber Track — p. 77
        • (2) Assembly/Disassembly of Iron Tracks — p. 78
        • (3) Steel Track Removal/Installation Tools — p. 81
      • [3] FRONT IDLER — p. 84
        • (1) Assembly/Disassembly of Front Idler — p. 84
        • (2) Assembly/Disassembly of the Front Idler — p. 84
      • [4] GREASE CYLINDER — p. 86
        • (1) Assembly/Disassembly of the Grease Cylinder — p. 86
        • (2) Components — p. 86
      • [5] TENSIONER — p. 87
        • (1) Tensioner Assembly/Disassembly — p. 87
      • [6] TRACK ROLLERS — p. 88
        • (1) Track Roller Assembly/Disassembly — p. 88
        • (2) Components — p. 88
      • [7] CARRIER ROLLERS — p. 89
        • (1) Carrier Roller Assembly/Disassembly — p. 89
        • (2) Components — p. 89
      • [8] TABLE OF DIMENSIONS — p. 90
        • (1) Rubber Track — p. 90
        • (2) Steel Track — p. 90
        • (3) Idler Sprocket — p. 91
        • (4) Carrier Rollers and Track Rollers — p. 91
    • 4. MEASURING MACHINE PERFORMANCE — p. 92
      • [1] MEASURING FRONT PERFORMANCE — p. 92
        • (1) Measuring Swivel Gear Backlash — p. 92
        • (2) Measuring Swivel Bearing Play — p. 93
    • 5. SWIVEL GEAR BACKLASH PERFORMANCE — p. 94
• 2 ENGINE — p. 95
  • GENERAL — p. 96
    • 1. SPECIFICATIONS — p. 97
    • 2. DIMENSIONS — p. 98
    • 3. PERFORMANCE CURVES — p. 99
    • 4. FAN DRIVE — p. 100
• 3 HYDRAULIC SYSTEM — p. 101
  • MECHANISM — p. 102
    • 1. HYDRAULIC CIRCUIT DIAGRAM — p. 104
      • [1] HYDRAULIC CIRCUIT DIAGRAM (KX080-4α STANDARD SPECIFICATION) — p. 104
      • [2] HYDRAULIC CIRCUIT DIAGRAM (KX080-4α TWO PIECE BOOM SPECIFICATION) — p. 105
    • 2. HYDRAULIC DEVICE LAYOUT — p. 106
    • 3. PUMP — p. 107
      • [1] SPECIFICATIONS — p. 107
      • [2] PISTON PUMP HYDRAULIC CIRCUIT DIAGRAM — p. 108
      • [3] PISTON PUMP CONFIGURATION DIAGRAM — p. 108
      • [4] PISTON PUMP HORSEPOWER CONTROL CURVE — p. 109
      • [5] FUNCTION AND STRUCTURE — p. 110
        • (1) Operating Principles — p. 110
        • (2) Horsepower Control — p. 111
        • (3) Flow Control (LS Control) — p. 112
        • (4) Gain Control — p. 115
        • (5) Standby Flow Amount — p. 115
        • (6) Bypass Check Valve — p. 116
        • (7) Orifice for P1 + P2 Average Pressure and High Pressure Selector Valve — p. 117
        • (8) Variable Gain Function — p. 118
    • 4. CONTROL VALVE — p. 120
      • [1] SPECIFICATION (STANDARD) — p. 120
      • [2] SPECIFICATION (TWO PIECE BOOM) — p. 123
      • [3] FUNCTION AND STRUCTURE — p. 126
        • (1) Unload Valve Section — p. 126
        • (2) Spool Section Operation (AUX1, Bucket, Two Piece Boom) — p. 129
        • (3) Arm Regeneration Function — p. 130
        • (4) Boom Section Operation — p. 131
        • (5) Spool Section Operation (Swivel, AUX2, Swing) — p. 132
        • (6) Travel Section Operation — p. 133
        • (7) Blade Section Operation — p. 134
        • (8) Signal Circuit — p. 136
        • (9) Independent Travel Valve Section (Inlet Section) — p. 138
        • (10) High Pressure Selector Valve — p. 141
        • (11) Travel Bypass Valve — p. 143
        • (12) Relief Valve — p. 145
    • 5. SWIVEL MOTOR — p. 149
      • [1] SPECIFICATIONS — p. 149
      • [2] FUNCTION AND STRUCTURE — p. 150
        • (1) Operating Principles — p. 150
    • 6. TRAVEL MOTOR — p. 154
      • [1] SPECIFICATIONS — p. 154
      • [2] FUNCTION AND STRUCTURE — p. 155
        • (1) Operating Principles — p. 155
    • 7. HYDRAULIC CYLINDER — p. 160
      • [1] SPECIFICATIONS — p. 160
      • [2] FUNCTION AND STRUCTURE — p. 161
        • (1) Operating Principles — p. 161
    • 8. PILOT VALVE — p. 163
      • [1] CONTROL PILOT VALVES — p. 163
        • (1) Specifications — p. 163
        • (2) Function and Structure — p. 164
      • [2] TRAVEL PILOT VALVE — p. 165
        • (1) Specifications — p. 165
        • (2) Function and Structure — p. 166
      • [3] BLADE PILOT VALVES — p. 168
        • (1) Specifications — p. 168
        • (2) Function and Structure — p. 169
      • [4] SWING AND TWO PIECE BOOM PILOT VALVES — p. 171
        • (1) Specifications — p. 171
        • (2) Function and Structure — p. 172
    • 9. BOOM HOLDING VALVE — p. 173
      • [1] BOOM HOLDING VALVE — p. 173
        • (1) Specifications — p. 173
        • (2) Function and Structure — p. 174
      • [2] TWO PIECE BOOM HOLDING VALVE — p. 176
        • (1) Specifications — p. 176
        • (2) Function and Structure — p. 176
    • 10. SHOCKLESS VALVES — p. 179
      • [1] SPECIFICATIONS — p. 179
      • [2] FUNCTION AND STRUCTURE — p. 179
    • 11. SOLENOID VALVE — p. 181
      • [1] UNLOAD VALVE — p. 181
        • (1) Specifications — p. 181
        • (2) Function and Structure — p. 182
      • [2] AUX SOLENOID VALVE — p. 184
        • (1) Specifications — p. 184
        • (2) Function and Structure — p. 186
  • SERVICING — p. 187
    • 1. PUMP — p. 190
      • [1] REMOVAL AND INSTALLATION OF THE PUMP — p. 190
      • [2] PUMP ASSEMBLY/DISASSEMBLY — p. 193
        • (1) Disassembly — p. 193
        • (2) Assembly — p. 199
    • 2. CONTROL VALVE — p. 206
      • [1] REMOVAL AND INSTALLATION OF THE CONTROL VALVE — p. 206
      • [2] CONTROL VALVE ASSEMBLY/DISASSEMBLY — p. 208
      • [3] CONTROL VALVE COMPONENTS — p. 210
        • (1) Section Components — p. 210
        • (2) Outlet Section — p. 211
        • (3) Blade-1 Section — p. 212
        • (4) Travel (LH) Section — p. 212
        • (5) Unload Section — p. 213
        • (6) Inlet Section — p. 214
        • (7) Travel (RH) Section — p. 215
        • (8) Blade-2 Section — p. 215
        • (9) AUX1 Section — p. 216
        • (10) Arm Section — p. 217
        • (11) Bucket Section — p. 218
        • (12) Two Piece Boom Section — p. 219
        • (13) Boom Section — p. 220
        • (14) Swivel Section — p. 221
        • (15) AUX2 Section — p. 222
        • (16) Swing Section — p. 223
        • (17) Housing Section — p. 223
        • (18) Overload Relief Valve — p. 224
        • (19) Main Relief Valve (ap1 Standard Spec., ap2 both Spec.) — p. 224
        • (20) Main Relief Valve (ap1 Two Piece Boom Spec.) — p. 224
    • 3. SWIVEL MOTOR — p. 225
      • [1] REMOVAL AND INSTALLATION OF THE SWIVEL MOTOR — p. 225
      • [2] SWIVEL MOTOR DISASSEMBLY/ASSEMBLY PROCEDURES — p. 227
        • (1) Disassembly Procedures — p. 229
        • (2) Assembly Procedures — p. 233
        • (3) Special Tools — p. 239
    • 4. SWIVEL JOINT — p. 240
      • [1] REMOVAL AND INSTALLATION OF THE SWIVEL JOINT — p. 240
      • [2] SWIVEL JOINT DISASSEMBLY / ASSEMBLY PROCEDURES — p. 242
        • (1) Disassembly Procedures — p. 243
        • (2) Assembly Procedures — p. 245
    • 5. TRAVEL MOTOR — p. 247
      • [1] REMOVAL AND INSTALLATION OF THE TRAVEL MOTOR — p. 247
      • [2] TRAVEL MOTOR DISASSEMBLY / ASSEMBLY PROCEDURES — p. 248
        • (1) Disassembly Procedures — p. 250
        • (2) Assembly Procedures — p. 256
        • (3) Special Tools — p. 264
    • 6. CYLINDER — p. 268
      • [1] TIGHTENING TORQUE — p. 268
    • 7. PILOT VALVE — p. 270
      • [1] CONTROL PILOT VALVES — p. 270
        • (1) Disassembly — p. 271
        • (2) Assembly — p. 274
        • (3) Special Tools — p. 278
      • [2] TRAVEL PILOT VALVE — p. 279
        • (1) Disassembly — p. 280
        • (2) Assembly — p. 284
        • (3) Special Tools — p. 288
      • [3] BLADE PILOT VALVES — p. 289
        • (1) Disassembly — p. 291
        • (2) Assembly — p. 293
      • [4] SWING AND TWO PIECE BOOM PILOT VALVES — p. 296
        • (1) Disassembly — p. 298
        • (2) Assembly — p. 301
    • 8. BOOM HOLDING VALVE — p. 306
      • [1] BOOM HOLDING VALVE — p. 306
      • [2] TWO PIECE BOOM HOLDING VALVE — p. 307
    • 9. SHOCKLESS VALVES — p. 308
    • 10. SWIVEL SHUTTLE VALVE — p. 309
    • 11. SOLENOID VALVE — p. 310
      • [1] UNLOAD VALVE — p. 310
      • [2] AUX PROPORTIONAL CONTROL SOLENOID VALVE — p. 311
    • 12. ROUTING OF HYDRAULIC HOSES — p. 312
      • [1] HYDRAULIC HOSE SPECIFICATIONS — p. 312
      • [2] HIGH-PRESSURE HOSES — p. 313
        • (1) Deliver Hose Routing — p. 313
        • (2) Front Hose Routing — p. 316
        • (3) Boom Hose Routing — p. 319
        • (4) Undercarriage Hose Routing — p. 320
        • (5) Two Piece Boom Hose Routing — p. 321
      • [3] LOW-PRESSURE HOSES — p. 322
        • (1) Suction Pipe and Hose Routing — p. 322
        • (2) Drain Hose Routing — p. 323
      • [4] PILOT HOSES — p. 324
        • (1) Deliver Hose Routing — p. 324
        • (2) Port P Hose Routing — p. 325
        • (3) Port T Hose Routing — p. 326
        • (4) Ports P and T Pilot Valve Hose Routing — p. 327
        • (5) Pilot Valve Hose Routing — p. 329
        • (6) Two Piece Boom Hose Routing — p. 332
    • 13. MEASURING HYDRAULIC DEVICE PERFORMANCE — p. 333
      • [1] PISTON PUMP AIR BLEEDING PROCEDURE — p. 333
      • [2] RELEASE OF RESIDUAL PRESSURE IN THE HYDRAULIC SYSTEM — p. 334
      • [3] MANUAL BOOM LOWERING PROCEDURE — p. 335
      • [4] MEASURING THE FLOW RATE — p. 336
        • (1) Measuring Main Pump Flow — p. 336
        • (2) Measuring AUX Discharge Flow — p. 337
      • [5] MEASURING PRESSURE — p. 338
        • (1) Measuring Main Relief Valve Pressure — p. 338
        • (2) Measuring Pilot Secondary Pressure — p. 341
        • (3) Measuring the Overload Relief Valve Pressure — p. 342
        • (4) Measuring Holding Valve Relief Pressure — p. 344
        • (5) Pressure Measuring Kit — p. 345
        • (6) Adjusting Swivel Relief Valve Pressure — p. 346
        • (7) Adjusting the LS Control Differential Pressure Adjusting Spring — p. 346
      • [6] MEASURING SWIVEL PERFORMANCE — p. 347
        • (1) Measuring Swivel Motor Drain Volume — p. 347
        • (2) Measuring Swivel Block Performance — p. 348
        • (3) Measuring Swivel Speed — p. 349
      • [7] MEASURING TRAVEL PERFORMANCE — p. 350
        • (1) Measuring Travel Motor Drain Volume — p. 350
        • (2) Measuring Travel Block Performance — p. 351
        • (3) Measuring Travel Speed — p. 351
        • (4) Measuring Travel Drift — p. 352
      • [8] MEASURING CYLINDER SPEED — p. 353
        • (1) Measuring Hydraulic Cylinder Operating Time — p. 353
        • (2) Measuring Hydraulic Cylinder Drift — p. 355
        • (3) Measuring Swing Cylinder Deviation — p. 356
    • 14. HYDRAULIC DEVICE PERFORMANCE STANDARDS — p. 357
      • [1] FLOW RATE — p. 357
        • (1) Main Pump Discharge Flow Rate Data (Measured Values) — p. 357
        • (2) AUX Discharge Flow Rate Data (Measured Values) — p. 358
      • [2] RELIEF PRESSURE (MEASURED VALUES) — p. 359
      • [3] SWIVEL PERFORMANCE — p. 360
      • [4] TRAVEL PERFORMANCE — p. 360
      • [5] CYLINDER SPEED — p. 361
    • 15. TROUBLESHOOTING — p. 362
      • [1] TROUBLESHOOTING ALL ACTUATORS — p. 362
      • [2] TROUBLESHOOTING FRONT SYSTEMS — p. 362
      • [3] TRAVEL SYSTEM TROUBLESHOOTING — p. 364
      • [4] SWIVEL SYSTEM TROUBLESHOOTING — p. 365
      • [5] TROUBLESHOOTING MULTIPLE OPERATIONS — p. 366
• 4 ELECTRICAL SYSTEM — p. 367
  • SERVICING — p. 368
    • 1. LAYOUT OF ELECTRICAL DEVICES AND WIRING ROUTING — p. 370
      • [1] PRECAUTIONS ON HOW TO CLAMP THE ELECTRICAL WIRING — p. 370
      • [2] PRECAUTIONS ON HANDLING ELECTRICAL CONNECTORS — p. 370
      • [3] LAYOUT OF ELECTRICAL DEVICES — p. 372
      • [4] WIRING ROUTING — p. 374
    • 2. METER PANEL OPERATION — p. 382
      • [1] NAMES AND FUNCTIONS OF METERS — p. 382
      • [2] USER SETTINGS MODE — p. 382
        • (1) Log Record — p. 383
        • (2) Periodic Check — p. 383
        • (3) Set Clock — p. 384
        • (4) Set AUX Flow Ctrl — p. 385
        • (5) Various Settings — p. 385
        • (6) Language Setting — p. 385
      • [3] SERVICE DEALER SETTING — p. 385
        • (1) Crane Mode — p. 385
        • (2) Arm Control Mode (Only on Japan Spec.) — p. 386
      • [4] SERVICE/DEALER MODE — p. 387
        • (1) Diagnosis — p. 389
        • (2) Setting — p. 393
      • [5] SETTINGS WHEN REPLACING ELECTRONIC DEVICES — p. 408
        • (1) When Replacing the Meter or Main ECU — p. 408
        • (2) When the Battery is Removed — p. 408
      • [6] TABLE OF METER PANEL MESSAGES AND ERROR HISTORY LIST — p. 409
        • (1) Red Warning Lamp Lit — p. 409
        • (2) Yellow Warning Lamp Lit — p. 411
        • (3) Other Screens — p. 413
        • (4) PM Clog Level and the State of the Machine — p. 415
        • (5) Table of Engine System Error Numbers — p. 418
    • 3. INSPECTIONS — p. 419
      • [1] POWER AND GROUND — p. 419
      • [2] STARTING AND STOPPING DEVICE — p. 422
      • [3] RELAY LAYOUT — p. 423
    • 4. TROUBLESHOOTING (START-UP EQUIPMENT VERSION) — p. 425
    • 5. METHODS FOR DIAGNOSING ERRORS — p. 426
      • [1] GUIDE TO DIAGNOSING ERRORS — p. 426
      • [2] ERROR DIAGNOSIS PROCEDURE — p. 426
      • [3] TESTING WITH A CIRCUIT TESTER — p. 427
    • 6. TROUBLESHOOTING (METER PANEL VERSION) — p. 428
      • [1] MACHINE RELATED SYSTEM — p. 428
        • (1) Engine Oil Pressure Errors — p. 428
        • (2) Charging System Errors — p. 431
        • (3) Fuel Sensor Errors — p. 435
      • [2] FRONT-END SYSTEMS — p. 438
        • (1) Lever Lock System Errors — p. 438
        • (2) Travel 2nd Speed System Error — p. 442
        • (3) Overload warning error — p. 446
      • [3] AUTO IDLING (AI) SYSTEM — p. 449
        • (1) AI System Errors — p. 449
        • (2) Testing the AI Pressure Switch — p. 452
        • (3) Testing the AI Switch — p. 455
      • [4] POWER SUPPLY SYSTEM — p. 458
        • (1) Over Voltage — p. 458
        • (2) 5 V Short System Error — p. 459
      • [5] COMMUNICATION SYSTEM — p. 460
        • (1) CAN Communication Errors — p. 460
      • [6] AUX SYSTEM — p. 466
        • (1) AUX1 / AUX2 (Thumb) System Errors — p. 466
• 5 CABIN — p. 474
  • MECHANISM — p. 475
    • 1. AIR CONDITIONING SYSTEM — p. 476
      • [1] STRUCTURE — p. 476
      • [2] HOW THE MECHANISMS OF THE SYSTEM WORK — p. 477
      • [3] COMPRESSOR — p. 478
      • [4] AIR CONDITIONING UNIT — p. 481
      • [5] CONDENSER — p. 486
      • [6] RECEIVER — p. 487
      • [7] PRESSURE SWITCH — p. 488
      • [8] ELECTRICAL SYSTEM — p. 489
        • (1) Electrical Circuits — p. 489
        • (2) Relays — p. 490
        • (3) Blower Switch — p. 491
    • 2. WIPER — p. 492
      • [1] WIPER SWITCH — p. 492
      • [2] WIPER — p. 492
      • [3] WIPER MOTOR — p. 493
  • SERVICING — p. 494
    • 1. TROUBLESHOOTING — p. 496
    • 2. SERVICE SPECIFICATIONS — p. 499
    • 3. TORQUE — p. 500
    • 4. PRECAUTIONS WHEN REPAIRING THE REFRIGERANT SYSTEM — p. 501
      • [1] USE OF SERVICE TOOLS — p. 501
        • (1) Manifold Gauge Set — p. 501
        • (2) Refrigerant Charging Hoses — p. 503
        • (3) Vacuum Pump Adapter — p. 504
        • (4) Electric Gas Leak Tester — p. 504
        • (5) Canister Tap Valve — p. 504
        • (6) T-Joint — p. 505
        • (7) R134a Refrigerant Collection/Recycling Device — p. 505
    • 5. INSPECTING AND CHARGING THE REFRIGERANT SYSTEM — p. 506
      • [1] CHECKING THE SYSTEM WITH A MANIFOLD GAUGE — p. 506
      • [2] COLLECTION, VACUUMING AND CHARGING — p. 510
        • (1) Collecting Refrigerant — p. 510
        • (2) Vacuuming Out the System — p. 510
        • (3) Charging from the High-Pressure Side — p. 512
        • (4) Charging from the Low-Pressure Side — p. 512
        • (5) Inspections and Troubleshooting — p. 513
    • 6. INSPECTION AND DISASSEMBLY — p. 515
      • [1] CHECKS AND ADJUSTMENTS — p. 515
        • (1) Compressor — p. 515
        • (2) Relays — p. 517
        • (3) Blower Motor — p. 519
        • (4) Blower Resistor — p. 520
        • (5) Blower Switch — p. 521
        • (6) Servo Motor (for Temp Control) — p. 522
        • (7) Pressure Switch — p. 523
      • [2] DISASSEMBLY AND ASSEMBLY — p. 524
        • (1) A/C Unit Assembly/Disassembly — p. 524
        • (2) Mounting and Removing the Compressor — p. 525
        • (3) A/C and Heater Hose Routing — p. 527
        • (4) Electric Condenser/Fan Mounting and Removal — p. 529
    • 7. WINDOW WASHER — p. 531
      • [1] WIPER SWITCH — p. 531
      • [2] WIPER MOTOR — p. 532
      • [3] WASHER MOTOR — p. 532
    • 8. CABIN GLASS REMOVAL AND MOUNTING — p. 533
      • [1] COMPONENT SCHEMATIC — p. 533
      • [2] NECESSARY TOOLS — p. 537
      • [3] REMOVING THE GLASS ON THE RIGHT — p. 538
      • [4] REMOVING THE FRONT GLASS — p. 539
      • [5] REMOVING OTHER PANES OF GLASS — p. 541
      • [6] INSTALLING THE GLASS ON THE RIGHT — p. 541
      • [7] INSTALLING THE FRONT GLASS — p. 543
      • [8] INSTALLING OTHER PANES OF GLASS — p. 546
    • 9. FRONT WINDOW — p. 547
      • [1] ADJUSTING THE CLOSING LOCK OF THE FRONT WINDOW (TOP) — p. 547
      • [2] ADJUSTING THE OPEN LOCK OF THE FRONT WINDOW (TOP) — p. 548
• ELECTRICAL CIRCUIT DIAGRAM — p. 549
• CONNECTOR CHART — p. 550
• WIRE HARNESS — p. 552
• R REVISED CONTENTS — p. 556
  • REVISED CONTENTS — p. 557
    • 1. SPECIFICATIONS — p. 558

Capabilities

The source outline separates mechanism explanations from servicing instructions for Hydraulic System and Cabin. Use these indexed headings to locate the applicable system in the source PDF, then confirm model-specific notes, specifications, illustrations, and operating conditions at the relevant page before carrying out service work.

Keep the source's safety sequence, prerequisite steps, labels, units, configuration notes, and footnotes with the selected task; do not apply an isolated value outside the conditions stated in the manual.

Technical reference

Reference tables include wear limits, fluid and system capacities, speed ratings, and emission data for service checks, adjustment work, and specification lookup. Use the values and conditions in the PDF for the applicable model and procedure.

• Service limits and settings: wear limits.
• Fluid reference: fluid and system capacities.
• Machine specifications: speed ratings.
• Electrical and emissions: emission data.

Delivery

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References

Kubota Workshop Manual for Excavator, document code RY911-24362, PDF edition.