Kubota D1403 D1503 D1703 Full Service & Repair Manual

03-E2B SERIES WORKSHOP MANUAL DIESEL ENGINE KiSC issued 06, 2006 A

TO THE READER This Workshop Manual has been prepared to provide servicing personnel with information on the mechanism, service and maintenance of 03-E2B series. It is divided into three parts, “General”, “Mechanism” and “Servicing”. ■ General Information on the engine identification, the general precautions, maintenance check list, check and maintenance and special tools are described. ■ 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 Mechanism Workshop Manual (Code No. 9Y021-01870) for the one which has not been described to this workshop manual. ■ Servicing Information on the troubleshooting, servicing specification lists, tightening torque, 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. The right is reserved to make changes in all information at any time without notice. Do to covering many models of this manual, information or picture being used have not been specified as one model. May 2004 © KUBOTA Corporation 2004 KiSC issued 06, 2006 A

1 03-E2B SERIES, WSM SAFETY INSTRUCTIONS BEFORE SERVICING AND REPAIRING • Read all instructions and safety instructions in this manual and on your engine safety decals. • Clean the work area and engine. • Park the machine on a firm and level ground. • Allow the engine to cool before proceeding. • 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 06, 2006 A

2 03-E2B SERIES, WSM SAFETY INSTRUCTIONS SAFETY STARTING • Do not start the engine by shorting across starter terminals or bypassing the safety start switch. • Unauthorized modifications to the engine may impair the function and / or safety and affect engine life. 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 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. • Wear a suitable hearing protective device such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises. 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 06, 2006 A

3 03-E2B SERIES, 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. 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. 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. 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 06, 2006 A

4 03-E2B SERIES, WSM SPECIFICATIONS SPECIFICATIONS * The specification described above is of the standard engine of each model. * Conversion Formula : HP = 0.746 kW, PS = 0.7355 kW W10329950 Model D1403-E2B D1503-E2B D1703-E2B Number of Cylinders 3 Type Vertical, Water-cooled, 4 cycle diesel engine Bore × Stroke 80 × 92.4 mm (3.15 × 3.64 in.) 83 × 92.4 mm (3.27 × 3.64 in.) 87 × 92.4 mm (3.43 × 3.64 in.) Total Displacement 1393 cm 3 (85.01 cu.in.) 1499 cm 3 (91.47 cu.in.) 1647 cm 3 (100.51 cu.in.) ISO Net Continuous 18.8 kW / 2800 min -1 (rpm) (25.5 HP / 2800 min -1 (rpm)) 20.4 kW / 2800 min -1 (rpm) (27.3 HP / 2800 min -1 (rpm)) 22.4 kW / 2800 min -1 (rpm) (30.0 HP / 2800 min -1 (rpm)) ISO/SAE Net Intermittent 21.6 kW / 2800 min -1 (rpm) (29.0 HP / 2800 min -1 (rpm)) 23.5 kW / 2800 min -1 (rpm) (31.5 HP / 2800 min -1 (rpm)) 25.7 kW / 2800 min -1 (rpm) (34.5 HP / 2800 min -1 (rpm)) SAE Gross Intermittent 23.1 kW / 2800 min -1 (rpm) (31.0 HP / 2800 min -1 (rpm)) 24.9 kW / 2800 min -1 (rpm) (33.4 HP / 2800 min -1 (rpm)) 27.5 kW / 2800 min -1 (rpm) (36.9 HP / 2800 min -1 (rpm)) Maximum Bare Speed 3000 min -1 (rpm) Minimum Bare Idling Speed 700 to 750 min -1 (rpm) Combustion Chamber Spherical type (E-TVCS) Fuel Injection Pump Bosch type mini pump Governor All speed mechanical governor Direction of Rotation Counter-clockwise (viewed from flywheel side) Injection Nozzle Bosch throttle type Injection Timing 0.314 rad (18 °) before T.D.C. Firing Order 1-2-3 Injection Pressure 13.73 MPa (140 kgf/cm 2 , 1991 psi) Compression Ratio 23 : 1 Lubricating System Forced lubrication by trochoid pump Oil Pressure Indicating Electrical type switch Lubricating Filter Full flow paper filter (cartridge type) Cooling System Pressurized radiator, forced circulation with water pump Starting System Electric starting with starter Starting Motor 12 V, 1.4 kW Starting Support Device By glow plug in combustion chamber Battery 12 V, 60 AH equivalent Charging Alternator 12 V, 360 W Fuel Diesel Fuel No.2-D (ASTM D975) Lubricating Oil Class CF lubricating oil as per API classification is recommended. If this class of lubricating oil is not available, preferably use Class CD or CE lubricating oil. For details on recommended lubricating oils, see page G-5, 8. Lubricating Oil Capacity Oil Pan Depth 90 mm (3.54 in.) 5.6 L (1.48 U.S.gals) Oil Pan Depth 124 mm (4.88 in.) 7.0 L (1.85 U.S.gals) Weight (Dry) 148 kg (326.3 lbs) KiSC issued 06, 2006 A

5 03-E2B SERIES, WSM SPECIFICATIONS * The specification described above is of the standard engine of each model. * Conversion Formula : HP = 0.746 kW, PS = 0.7355 kW W10307730 Model V1903-E2B V2003-TE2B Number of Cylinders 4 Type Vertical, Water-cooled, 4 cycle diesel engine Bore × Stroke 80 × 92.4 mm (3.15 × 3.64 in.) 83 × 92.4 mm (3.27 × 3.64 in.) Total Displacement 1857 cm 3 (113.32 cu.in.) 1999 cm 3 (121.99 cu.in.) ISO Net Continuous 25.4 kW / 2800 min -1 (rpm) (34.0 HP / 2800 min -1 (rpm)) 36.3 kW / 2800 min -1 (rpm) (48.7 HP / 2800 min -1 (rpm)) ISO/SAE Net Intermittent 29.1 kW / 2800 min -1 (rpm) (39.0 HP / 2800 min -1 (rpm)) 41.8 kW / 2800 min -1 (rpm) (56.0 HP / 2800 min -1 (rpm)) SAE Gross Intermittent 31.0 kW / 2800 min -1 (rpm) (41.6 HP / 2800 min -1 (rpm)) 44.5 kW / 2800 min -1 (rpm) (59.7 HP / 2800 min -1 (rpm)) Maximum Bare Speed 3000 min -1 (rpm) Minimum Bare Idling Speed 700 to 750 min -1 (rpm) 750 to 850 min -1 (rpm) Combustion Chamber Spherical type (E-TVCS) Fuel Injection Pump Bosch type mini pump Governor All speed mechanical governor Direction of Rotation Counter-clockwise (viewed from flywheel side) Injection Nozzle Bosch throttle type Injection Timing 0.314 rad (18 °) before T.D.C. Firing Order 1-3-4-2 Injection Pressure 13.73 MPa (140 kgf/cm 2 , 1991 psi) Compression Ratio 23 : 1 Lubricating System Forced lubrication by trochoid pump Oil Pressure Indicating Electrical type switch Lubricating Filter Full flow paper filter (cartridge type) Cooling System Pressurized radiator, forced circulation with water pump Starting System Electric starting with starter Starting Motor 12 V, 1.4 kW Starting Support Device By glow plug in combustion chamber Battery 12 V, 80 AH equivalent Charging Alternator 12 V, 360 W 12 V, 480 W Fuel Diesel Fuel No.2-D (ASTM D975) Lubricating Oil Class CF lubricating oil as per API classification is recommended. If this class of lubricating oil is not available, preferably use Class CD or CE lubricating oil. For details on recommended lubricating oils, see page G-5, 8. Lubricating Oil Capacity Oil Pan Depth 90 mm (3.54 in.) 7.6 L (2.01 U.S.gals) 7.9 L (2.09 U.S.gals) Oil Pan Depth 124 mm (4.88 in.) 9.5 L (2.51 U.S.gals) 9.8 L (2.59 U.S.gals) Weight (Dry) 180 kg (397 lbs) 186 kg (410 lbs) KiSC issued 06, 2006 A

6 03-E2B SERIES, WSM SPECIFICATIONS * The specification described above is of the standard engine of each model. * Conversion Formula : HP = 0.746 kW, PS = 0.7355 kW W10327090 Model V2203-E2B F2803-E2B Number of Cylinders 4 5 Type Vertical, Water-cooled, 4 cycle diesel engine Bore × Stroke 87 × 92.4 mm (3.43 × 3.64 in.) Total Displacement 2197 cm 3 (134.07 cu.in.) 2746 cm 3 (167.57 cu.in.) ISO Net Continuous 29.8 kW / 2800 min -1 (rpm) (39.9 HP / 2800 min -1 (rpm)) 37.3 kW / 2800 min -1 (rpm) (50.0 HP / 2800 min -1 (rpm)) ISO/SAE Net Intermittent 34.3 kW / 2800 min -1 (rpm) (46.0 HP / 2800 min -1 (rpm)) 42.9 kW / 2800 min -1 (rpm) (57.5 HP / 2800 min -1 (rpm)) SAE Gross Intermittent 36.4 kW / 2800 min -1 (rpm) (48.8 HP / 2800 min -1 (rpm)) 46.2 kW / 2800 min -1 (rpm) (61.9 HP / 2800 min -1 (rpm)) Maximum Bare Speed 3000 min -1 (rpm) Minimum Bare Idling Speed 700 to 750 min -1 (rpm) Combustion Chamber Spherical type (E-TVCS) Fuel Injection Pump Bosch type mini pump Governor All speed mechanical governor Direction of Rotation Counter-clockwise (viewed from flywheel side) Injection Nozzle Bosch throttle type Injection Timing 0.314 rad (18 °) before T.D.C. 0.332 rad (19 °) before T.D.C. Firing Order 1-3-4-2 1-3-5-4-2 Injection Pressure 13.73 MPa (140 kgf/cm 2 , 1991 psi) Compression Ratio 23 : 1 Lubricating System Forced lubrication by trochoid pump Oil Pressure Indicating Electrical type switch Lubricating Filter Full flow paper filter (cartridge type) Cooling System Pressurized radiator, forced circulation with water pump Starting System Electric starting with starter Starting Motor 12 V, 1.4 kW Starting Support Device By glow plug in combustion chamber Battery 12 V, 80 AH equivalent Charging Alternator 12 V, 420 W Fuel Diesel Fuel No.2-D (ASTM D975) Lubricating Oil Class CF lubricating oil as per API classification is recommended. If this class of lubricating oil is not available, preferably use Class CD or CE lubricating oil. For details on recommended lubricating oils, see page G-5, 8. Lubricating Oil Capacity Oil Pan Depth 90 mm (3.54 in.) 7.6 L (2.01 U.S.gals) – Oil Pan Depth 124 mm (4.88 in.) 9.5 L (2.51 U.S.gals) 12.0 L (3.17 U.S.gals) Weight (Dry) 180 kg (397 lbs) 223 kg (492 lbs) KiSC issued 06, 2006 A

7 03-E2B SERIES, WSM DIMENSIONS DIMENSIONS W1028881 D1403-E2B D1503-E2B D1703-E2B A 560.1 mm (22.05 in.) 560.1 mm (22.05 in.) 560.1 mm (22.05 in.) B 502.5 mm (19.78 in.) 502.5 mm (19.78 in.) 502.5 mm (19.78 in.) C 678.2 mm (26.70 in.) 678.2 mm (26.70 in.) 678.2 mm (26.70 in.) KiSC issued 06, 2006 A

8 03-E2B SERIES, WSM DIMENSIONS W1033724 V1903-E2B V2003-TE2B V2003-E2B A 652.1 mm (25.67 in.) 667.1 mm (26.26 in.) 652.1 mm (25.67 in.) B 502.5 mm (19.78 in.) 520.0 mm (20.47 in.) 502.5 mm (19.78 in.) C 678.2 mm (26.70 in.) 678.0 mm (26.69 in.) 678.2 mm (26.70 in.) KiSC issued 06, 2006 A

Kubota D1403 D1503 D1703 Full Service & Repair Manual

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