Kubota L3130/L3430/L3830/L4630/L5030 Workshop Manual

About this manual

Published by Kubota, this OEM Workshop Manual is a PDF reference for the tractors listed in Manual details.

The manual provides source-listed headings and page references for locating the material in this publication. Refer to Manual contents for section and page references, and to Manual details for model coverage and publication information.

Manual details

Manufacturer

Kubota

Manual type

Workshop Manual

Equipment type

Tractor

Models

L3130, L3430, L3830, L4630, and L5030

Document number

9Y011-13111

KiSC issue / revision

February 2007 (A)

Text search

Available

PDF navigation

PDF bookmarks

Document quality

High — clear, readable text, illustrations and diagrams.

Product highlights

Electrical systems

The manual includes wiring diagrams and electrical troubleshooting.

Hydraulic systems

The manual includes hydraulic pressure-test material and hydraulic valve-adjustment material.

Specifications and settings

The manual includes reference information for torque specifications, wear limits, clearances, capacities, dimensions, and speed ratings.

Special tools

A special-tools section is included.

Maintenance

The manual includes a maintenance schedule.

Applicability and limitations

For mechanism information not described in this manual, the reader refers to Diesel engine / Tractor Mechanism Workshop Manual (Code No. 97897-01872 / 97897-18200).

Manual contents

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

• TO THE READER — p. 2
• G GENERAL — p. 19
  • GENERAL — p. 20
    • TRACTOR IDENTIFICATION — p. G-1
    • GENERAL PRECAUTIONS — p. G-2
    • HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING — p. G-3
      • [1] WIRING — p. G-3
      • [2] BATTERY — p. G-5
      • [3] FUSE — p. G-5
      • [4] CONNECTOR — p. G-5
      • [5] HANDLING OF CIRCUIT TESTER — p. G-6
    • LUBRICANTS, FUEL AND COOLANT — p. G-7
    • TIGHTENING TORQUES — p. G-10
      • [1] GENERAL USE SCREWS, BOLTS AND NUTS — p. G-10
    • MAINTENANCE — p. G-11
    • CHECK AND MAINTENANCE — p. G-14
      • [1] DAILY CHECK — p. G-14
      • [2] CHECK POINTS OF INITIAL 50 HOURS — p. G-15
      • [3] CHECK POINTS OF EVERY 50 HOURS — p. G-19
      • [4] CHECK POINTS OF EVERY 100 HOURS — p. G-22
      • [5] CHECK POINTS OF EVERY 200 HOURS — p. G-27
      • [6] CHECK POINTS OF EVERY 400 HOURS — p. G-31
      • [7] CHECK POINTS OF EVERY 600 HOURS — p. G-31
      • [8] CHECK POINTS OF EVERY 800 HOURS — p. G-31
      • [9] CHECK POINTS OF EVERY 1 YEAR — p. G-32
      • [10]CHECK POINTS OF EVERY 2 YEARS — p. G-32
      • [11]OTHERS — p. G-34
    • SPECIAL TOOLS — p. G-39
      • [1] SPECIAL TOOLS FOR ENGINE — p. G-39
      • [2] SPECIAL TOOLS FOR TRACTOR — p. G-47
    • TIRES — p. G-55
      • [1] TIRE PRESSURE — p. G-55
      • [2] TREADS ADJUSTMENT — p. G-56
      • [3] TIRE LIQUID INJECTION — p. G-58
• 1 ENGINE — p. 81
  • MECHANISM — p. 82
    • FEATURES — p. 1-M1
    • FUEL SYSTEM — p. 1-M2
    • LUBRICATING SYSTEM — p. 1-M3
    • COOLING SYSTEM — p. 1-M4
  • SERVICING — p. 87
    • TROUBLESHOOTING — p. 1-S1
    • SERVICING SPECIFICATIONS — p. 1-S4
    • TIGHTENING TORQUES — p. 1-S11
    • CHECKING, DISASSEMBLING AND SERVICING — p. 1-S12
      • [1] SEPARATING ENGINE FROM TRACTOR — p. 1-S12
      • [2] ENGINE BODY — p. 1-S26
      • [3] LUBRICATING SYSTEM — p. 1-S61
      • [4] COOLING SYSTEM — p. 1-S62
      • [5] FUEL SYSTEM — p. 1-S64
• 2 CLUTCH — p. 153
  • MECHANISM — p. 154
    • FEATURE — p. 2-M1
  • SERVICING — p. 156
    • TROUBLESHOOTING — p. 2-S1
    • SERVICING SPECIFICATIONS — p. 2-S2
    • TIGHTENING TORQUES — p. 2-S3
    • CHECKING, DISASSEMBLING AND SERVICING — p. 2-S4
      • [1] CHECKING AND ADJUSTING — p. 2-S4
      • [2] DISASSEMBLING AND ASSEMBLING — p. 2-S5
      • [3] SERVICING — p. 2-S15
• 3 TRANSMISSION — p. 173
  • MECHANISM — p. 174
    • MANUAL TRANSMISSION MODEL — p. 3-M1
      • [1] STRUCTURE — p. 3-M1
      • [2] POWER TRAIN FOR TRAVELING GEAR — p. 3-M3
      • [3] SHIFT LINKAGE MECHANISM — p. 3-M5
    • GLIDE SHIFT TRANSMISSION (GST) MODEL — p. 3-M8
      • [1] STRUCTURE — p. 3-M8
      • [2] CHARACTERISTIC AND SYSTEM OUTLINE — p. 3-M9
      • [3] POWER TRAIN — p. 3-M10
      • [4] ELECTRICAL CONTROL SYSTEM — p. 3-M11
      • [5] HYDRAULIC CONTROL SYSTEM — p. 3-M15
      • [6] SHIFT LINKAGE MECHANISM — p. 3-M24
    • HYDROSTATIC TRANSMISSION (HST) MODEL — p. 3-M25
      • [1] STRUCTURE — p. 3-M25
      • [2] POWER TRAIN — p. 3-M26
      • [3] SHIFT LINKAGE MECHANISM — p. 3-M37
    • PTO SYSTEM — p. 3-M38
      • [1] STRUCTURE — p. 3-M38
      • [2] PTO CLUTCH — p. 3-M39
      • [3] GROUND PTO (IF EQUIPPED) — p. 3-M41
      • [4] TWO STAGE PTO (IF EQUIPPED) — p. 3-M42
  • SERVICING — p. 217
    • TROUBLESHOOTING — p. 3-S1
      • [1] GENERAL — p. 3-S1
      • [2] GST SYSTEM — p. 3-S2
      • [3] HST SYSTEM — p. 3-S8
      • [4] PTO SYSTEM — p. 3-S10
    • SERVICING SPECIFICATIONS — p. 3-S11
      • [1] GENERAL — p. 3-S11
      • [2] PTO CLUTCH — p. 3-S12
      • [3] GST — p. 3-S13
      • [4] HST — p. 3-S14
    • TIGHTENING TORQUES — p. 3-S15
    • CHECKING, DISASSEMBLING AND SERVICING — p. 3-S17
      • [1] MANUAL TRANSMISSION MODEL — p. 3-S17
      • [2] GLIDE SHIFT TRANSMISSION (GST) MODEL — p. 3-S49
      • [3] HYDROSTATIC TRANSMISSION (HST) MODEL — p. 3-S86
• 4 REAR AXLE — p. 335
  • MECHANISM — p. 336
    • STRUCTURE — p. 4-M1
  • SERVICING — p. 339
    • TROUBLESHOOTING — p. 4-S1
    • TIGHTENING TORQUES — p. 4-S2
    • CHECKING, DISASSEMBLING AND SERVICING — p. 4-S3
      • [1] DISASSEMBLING AND ASSEMBLING — p. 4-S3
• 5 BRAKES — p. 346
  • MECHANISM — p. 347
    • LINKAGE — p. 5-M1
    • OPERATION — p. 5-M2
  • SERVICING — p. 350
    • TROUBLESHOOTING — p. 5-S1
    • SERVICING SPECIFICATIONS — p. 5-S2
    • TIGHTENING TORQUES — p. 5-S3
    • CHECKING, DISASSEMBLING AND SERVICING — p. 5-S4
      • [1] BRAKE PEDAL — p. 5-S4
      • [2] BRAKE CASE — p. 5-S7
• 6 FRONT AXLE — p. 362
  • MECHANISM — p. 363
    • STRUCTURE — p. 6-M1
  • SERVICING — p. 366
    • TROUBLESHOOTING — p. 6-S1
    • SERVICING SPECIFICATIONS — p. 6-S2
    • TIGHTENING TORQUES — p. 6-S4
    • CHECKING, DISASSEMBLING AND SERVICING — p. 6-S5
      • [1] CHECKING AND ADJUSTING — p. 6-S5
      • [2] DISASSEMBLING AND ASSEMBLING — p. 6-S7
      • [3] SERVICING — p. 6-S15
• 7 STEERING — p. 387
  • MECHANISM — p. 388
    • STRUCTURE — p. 7-M1
    • HYDRAULIC CIRCUIT — p. 7-M2
    • HYDRAULIC PUMP — p. 7-M3
    • STEERING CONTROLLER — p. 7-M4
      • [1] CONTROL VALVE — p. 7-M5
      • [2] METERING DEVICE (GEROTOR) — p. 7-M5
      • [3] RELIEF VALVE (WITH CHECK VALVE) — p. 7-M6
      • [4] OIL FLOW — p. 7-M7
    • STEERING CYLINDER — p. 7-M9
  • SERVICING — p. 398
    • TROUBLESHOOTING — p. 7-S1
    • SERVICING SPECIFICATIONS — p. 7-S2
    • TIGHTENING TORQUES — p. 7-S3
    • CHECKING, DISASSEMBLING AND SERVICING — p. 7-S4
      • [1] HYDRAULIC PUMP — p. 7-S4
      • [2] STEERING CONTROLLER — p. 7-S11
      • [3] STEERING CYLINDER — p. 7-S13
      • [4] STEERING LINKAGE — p. 7-S14
• 8 HYDRAULIC SYSTEM — p. 414
  • MECHANISM — p. 415
    • STRUCTURE — p. 8-M1
      • [1] MANUAL TRANSMISSION AND GLIDE SHIFT TRANSMISSION — p. 8-M1
      • [2] HYDROSTATIC TRANSMISSION — p. 8-M2
    • HYDRAULIC CIRCUIT — p. 8-M3
      • [1] MANUAL TRANSMISSION — p. 8-M3
      • [2] GLIDE SHIFT TRANSMISSION — p. 8-M4
      • [3] HYDROSTATIC TRANSMISSION — p. 8-M6
    • HYDRAULIC PUMP — p. 8-M8
    • FRONT HYDRAULIC BLOCK — p. 8-M9
    • REAR HYDRAULIC BLOCK — p. 8-M10
    • POSITION CONTROL VALVE — p. 8-M11
    • POSITION CONTROL LINKAGE — p. 8-M13
    • POSITION CONTROL WITH DRAFT CONTROL LINKAGE — p. 8-M14
    • MIXED CONTROL — p. 8-M17
    • 10. LOWERING SPEED ADJUSTING VALVE — p. 8-M18
    • 11. HYDRAULIC CYLINDER — p. 8-M19
    • 12. AUXILIARY CONTROL VALVE — p. 8-M20
      • [1] DOUBLE ACTING TYPE 1 — p. 8-M20
      • [2] DOUBLE ACTING TYPE 2 (FLOATING WITH DETENT) — p. 8-M21
      • [3] SINGLE ACTING TYPE — p. 8-M23
  • SERVICING — p. 440
    • TROUBLESHOOTING — p. 8-S1
    • SERVICING SPECIFICATIONS — p. 8-S2
    • TIGHTENING TORQUES — p. 8-S4
    • CHECKING, DISASSEMBLING AND SERVICING — p. 8-S5
      • [1] HYRAULIC PUMP — p. 8-S5
      • [2] RELIEF VALVE — p. 8-S11
      • [3] REAR HYDRAULIC BLOCK AND VALVES — p. 8-S12
      • [4] LIFT ARM SUPPORT AND HYDRAULIC CYLINDER — p. 8-S18
• 9 ELECTRICAL SYSTEM — p. 463
  • MECHANISM — p. 464
    • WIRING DIAGRAM — p. 9-M1
      • [1] MANUAL TRANSMISSION MODEL — p. 9-M1
      • [2] GST MODEL — p. 9-M3
      • [3] HST MODEL — p. 9-M4
      • [4] CABIN TYPE — p. 9-M5
      • [5] COLOR OF WIRING — p. 9-M6
    • ELECTRONIC CONTROL PANEL — p. 9-M7
      • [1] SYSTEM OUTLINE AND ELECTRICAL CIRCUIT — p. 9-M7
      • [2] CONSTRUCTION AND FUNCTION OF COMPONENTS — p. 9-M9
      • [3] CONTROL SYSTEM — p. 9-M18
    • STARTING SYSTEM — p. 9-M28
      • [1] MANUAL ROPS MODEL — p. 9-M28
      • [2] MANUAL CABIN MODEL — p. 9-M29
      • [3] GST MODEL — p. 9-M30
      • [4] HST MODEL — p. 9-M31
    • CHARGING SYSTEM — p. 9-M32
    • LIGHTING SYSTEM — p. 9-M33
      • [1] ROPS TYPE — p. 9-M33
      • [2] CABIN TYPE — p. 9-M34
  • SERVICING — p. 499
    • TROUBLESHOOTING — p. 9-S1
    • SERVICING SPECIFICATIONS — p. 9-S8
    • TIGHTENING TORQUES — p. 9-S9
    • CHECKING, DISASSEMBLING AND SERVICING — p. 9-S10
      • [1] BATTERY — p. 9-S10
      • [2] ELECTRONIC INSTRUMENT PANEL (INTELLIPANEL) — p. 9-S12
      • [3] STARTING SYSTEM — p. 9-S33
      • [4] CHARGING SYSTEM — p. 9-S44
      • [5] LIGHTING SYSTEM — p. 9-S49
      • [6] WARNING LAMPS — p. 9-S53
      • [7] MONITOR LAMP — p. 9-S54
      • [8] GAUGES — p. 9-S56
• 10 CABIN — p. 556
  • MECHANISM — p. 557
    • AIR CONDITIONER SYSTEM — p. 10-M1
      • [1] OUTLINE OF AIR CONDITIONING SYSTEM — p. 10-M1
      • [2] SYSTEM CONTROL — p. 10-M4
      • [3] ELECTRICAL SYSTEM — p. 10-M6
  • SERVICING — p. 566
    • TROUBLESHOOTING — p. 10-S1
    • SERVICING SPECIFICATIONS — p. 10-S6
    • TIGHTENING TORQUES — p. 10-S7
    • PRECAUTIONS AT REPAIRING REFRIGERANT CYCLE — p. 10-S8
      • [1] HANDLING OF SERVICE TOOLS — p. 10-S9
    • CHECKING AND CHARGING REFRIGERANT CYCLE — p. 10-S13
      • [1] CHECKING WITH MANIFOLD GAUGE — p. 10-S13
      • [2] DISCHARGING, EVACUATING AND CHARGING — p. 10-S17
    • CHECKING, DISASSEMBLING AND SERVICING — p. 10-S22
      • [1] SEPARATING CABIN FROM TRACTOR BODY — p. 10-S22
      • [2] COMPRESSOR — p. 10-S28
      • [3] AIR CONDITIONER SYSTEM AND FRONT WINDSHIELD WIPER — p. 10-S31
      • [4] LIGHTING SYSTEM — p. 10-S49
      • [5] OTHERS — p. 10-S50

Capabilities

The source outline separates mechanism explanations from servicing instructions for Engine, Clutch, Transmission, Rear Axle, Brakes, Front Axle, Steering, Hydraulic System, Electrical 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 torque settings, wear limits, fluid and system capacities, dimensions, and speed ratings 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: torque settings and wear limits.
• Fluid reference: fluid and system capacities.
• Machine specifications: dimensions and speed ratings.

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 Tractor, document code 9Y011-13111, PDF edition.