Kubota L4630 Tractor Repair Service Manual

WORKSHOP MANUAL TRACTOR L3130,L3430,L3830, L4630,L5030 KiSC issued 02, 2007 A

TO THE READER This Workshop Manual has been prepared to provide servicing personnel with information on the mechanism, service and maintenance of KUBOTA Tractor L3130, L3430, L3830, L4630 and L5030. It is divided into two parts, “Mechanism” and “Servicing” for each section. ■ Mechanism Information on the construction and function are included. This part should be understood before proceeding with troubleshooting, disassembling and servicing. Refer to Diesel engine / Tractor Mechanism Workshop Manual (Code No. 97897- 01872 / 97897-18200) for the one which has not been described to this workshop manual. ■ Servicing The heading “General” includes general precautions, check and maintenance and special tools. Other section, there are troubleshooting, servicing specification lists, checking and adjusting, disassembling and assembling, and servicing which cover procedures, precautions, factory specifications and allowable limits. All information illustrations and specifications contained in this manual are based on the latest product information available at the time of publication. KiSC issued 02, 2007 A

1 L3130 · L3430 · L3830 · L4630 · L5030, WSM SAFETY INSTRUCTIONS BEFORE SERVICING AND REPAIRING • Read all instructions and safety instructions in this manual and on your machine safety decals. • Clean the work area and machine. • Park the machine on a firm and level ground, and set the parking brake. • Lower the implement to the ground. • Stop the engine, and remove the key. • Disconnect the battery negative cable. • Hang a “DO NOT OPERATE” tag in operator station. SAFETY FIRST This symbol, the industry’s “Safety Alert Symbol”, is used throughout this manual and on labels on the machine itself to warn of the possibility of personal injury. Read these instructions carefully. It is essential that you read the instructions and safety regulations before you attempt to repair or use this unit. DANGER : Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING : Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION : Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. ■ IMPORTANT : Indicates that equipment or property damage could result if instructions are not followed. ■ NOTE : Gives helpful information. KiSC issued 02, 2007 A

2 L3130 · L3430 · L3830 · L4630 · L5030, WSM SAFETY INSTRUCTIONS SAFETY STARTING • Do not start the engine by shorting across starter terminals or bypassing the safety start switch. • Do not alter or remove any part of machine safety system. • Before starting the engine, make sure that all shift levers are in neutral positions or in disengaged positions. • Never start the engine while standing on ground. Start the engine only from operator’s seat. SAFETY WORKING • Do not work on the machine while under the influence of alcohol, medication, or other substances or while fatigued. • Wear close fitting clothing and safety equipment appropriate to the job. • Use tools appropriate to the work. Makeshift tools, parts, and procedures are not recommended. • When servicing is performed together by two or more persons, take care to perform all work safely. • Do not work under the machine that is supported solely by a jack. Always support the machine by safety stands. • Do not touch the rotating or hot parts while the engine is running. • Never remove the radiator cap while the engine is running, or immediately after stopping. Otherwise, hot water will spout out from radiator. Only remove radiator cap when cool enough to touch with bare hands. Slowly loosen the cap to first stop to relieve pressure before removing completely. • Escaping fluid (fuel or hydraulic oil) under pressure can penetrate the skin causing serious injury. Relieve pressure before disconnecting hydraulic or fuel lines. Tighten all connections before applying pressure. AVOID FIRES • Fuel is extremely flammable and explosive under certain conditions. Do not smoke or allow flames or sparks in your working area. • To avoid sparks from an accidental short circuit, always disconnect the battery negative cable first and connect it last. • Battery gas can explode. Keep sparks and open flame away from the top of battery, especially when charging the battery. • Make sure that no fuel has been spilled on the engine. KiSC issued 02, 2007 A

3 L3130 · L3430 · L3830 · L4630 · L5030, WSM SAFETY INSTRUCTIONS VENTILATE WORK AREA • If the engine must be running to do some work, make sure the area is well ventilated. Never run the engine in a closed area. The exhaust gas contains poisonous carbon monoxide. PREVENT ACID BURNS • Sulfuric acid in battery electrolyte is poisonous. It is strong enough to burn skin, clothing and cause blindness if splashed into eyes. Keep electrolyte away from eyes, hands and clothing. If you spill electrolyte on yourself, flush with water, and get medical attention immediately. DISPOSE OF FLUIDS PROPERLY • Do not pour fluids into the ground, down a drain, or into a stream, pond, or lake. Observe relevant environmental protection regulations when disposing of oil, fuel, coolant, electrolyte and other harmful waste. PREPARE FOR EMERGENCIES • Keep a first aid kit and fire extinguisher handy at all times. • Keep emergency numbers for doctors, ambulance service, hospital and fire department near your telephone. KiSC issued 02, 2007 A

4 L3130 · L3430 · L3830 · L4630 · L5030, WSM SAFETY INSTRUCTIONS The following safety decals are installed on the machine. If a decal becomes damaged, illegible or is not on the machine, replace it. The decal part number is listed in the parts list. SAFETY DECALS KiSC issued 02, 2007 A

5 L3130 · L3430 · L3830 · L4630 · L5030, WSM SAFETY INSTRUCTIONS KiSC issued 02, 2007 A

8 L3130 · L3430 · L3830 · L4630 · L5030, WSM SPECIFICATIONS SPECIFICATIONS ROPS Type Note : * Manufacture’s estimate The company reserves the right to change the specifications without notice. W10281170 Model L3130 L3430 Manual Transmission Engine Model D1503-MA-E-GST-EU D1703-MA-E-GST-EU Type Indirect injection vertical, water-cooled, 4-cycle diesel Number of cylinders 3 Total displacement 1.499 L (91.5 cu.in.) 1.647 L (100.5 cu.in.) Bore and stroke 83 × 92.4 mm (3.3 × 3.6 in.) 87 × 92.4 mm (3.4 × 3.6 in.) Net power 23.1 kW (31.0 HP)* 25.1 kW (33.6 HP)* PTO power (factory observe) 19.0 kW (25.8 HP)* / 2700 min −1 (rpm) 21.3 kW (29.0 HP)* / 2700 min −1 (rpm) Maximum torque 102.9 N·m (10.5 kgf·m, 75.9 ft-lbs) 108.3 N·m (11.05 kgf·m, 79.9 ft-lbs) Battery capacity 12 V, RC : 123 min, CCA : 490 A Fuel Diesel fuel No. 1 [below −10 °C (14 °F], Diesel fuel No. 2-D [above −10 °C (14 °F)] Capacities Fuel tank 40 L (10.6 U.S.gals, 8.8 Imp.gals) Engine crankcase (with filter) 5.7 L (6.0 U.S.qts, 5.0 Imp.qts) Engine coolant 6.0 L (6.3 U.S.qts, 5.3 Imp.qts) Transmission case 42 L (11.1 U.S.gals, 9.2 Imp.gals) Dimensions Overall length (without 3P) 3025 mm (119.1 in.) 3015 mm (118.7 in.) Overall width (min. tread) 1430 mm (56.3 in.) Overall height (with ROPS) 2255 mm (88.8 in.) 2415 mm (95.1 in.) Wheel base 1805 mm (71.1 in.) Min. ground clearance 370 mm (14.6 in.) Tread Front 1150 mm (45.3 in.) Rear 1110 mm (43.7 in.), 1205 mm (47.4 in.), 1300 mm (51.2 in.), 1385 mm (54.5 in.) Weight (with ROPS) 1480 kg (3265 lbs) 1460 kg (3220 lbs) Travelling system Standard tire size Front 7-16 Rear 12.4-24 Clutch Dry type single stage Steering Hydrostatic power steering Transmission F8, R8 fully synchronized main and shuttle transmission (with creep speed model : F16, R16 fully synchronized main and shuttle transmission) Braking system Wet disk type Min. turning radius (with brake) 2.7 m (8.9 feet) Hydraulic system Hydraulic control system Position control Pump capacity 31.5 L (8.3 U.S.gals, 6.9 Imp.gals) / min. Three point hitch SAE Category 1 Max. lift force At lift points 1700 kg (3750 lbs) 24 in. behind lift points 1200 kg (2650 lbs) System pressure 17.7 MPa (180 kgf/cm 2 , 2560 psi) PTO Rear PTO SAE 1-3/8, 6 splines PTO / Engine speed 540 min −1 (rpm) / 2550 min −1 (rpm), 750 min −1 (rpm) / 2250 min −1 (rpm) KiSC issued 02, 2007 A

Kubota L4630 Tractor Repair Service Manual

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