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Kubota Tractor L2501 Workshop Manual – PDF DOWNLOAD
Kubota Tractor L2501 Workshop Manual – PDF DOWNLOAD
FILE DETAILS:
Kubota Tractor L2501 Workshop Manual – PDF DOWNLOAD
Language : English
Pages : 444
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Kubota Tractor L2501 Workshop Manual – PDF DOWNLOAD
TO THE READER:
This Workshop Manual tells the servicing personnel about the mechanism, servicing and
maintenance of the L2501. It contains 4 parts: “Information”, “General”, “Mechanism” and
“Servicing”.
Information
This section primarily contains information below.
• Safety First
• Safety Decal
• Specifications
• Dimensions
General
This section primarily contains information below.
• Engine Identification
• Model Identification
• General Precautions
• Maintenance Check List
• Check and Maintenance
• Special Tools
Mechanism
This section contains information on the structure and the function of the unit. Before you continue
with the subsequent sections, make sure that you read this section.
Refer to the latest version of Workshop Manual (Code No. 9Y021-01870 / 9Y021-18200) for the
diesel engine / tractor mechanism that this workshop manual does not include.
Servicing
This section primarily contains information below.
• Troubleshooting
• Servicing Specifications
• Tightening Torques
• Checking, Disassembling and Servicing
All illustrations, photographs and specifications contained in this manual are of the newest
information available at the time of publication.
KUBOTA reserves the right to change all information at any time without notice.
TABLE OF CONTENTS:
Kubota Tractor L2501 Workshop Manual – PDF DOWNLOAD
L2501................................................................................... 1 TO THE READER....................................................................... 2 I INFORMATION....................................................................... 3 INFORMATION..................................................................... 4 1. SAFETY FIRST............................................................. 5 2. SAFETY DECALS............................................................ 8 3. SPECIFICATIONS........................................................... 11 4. TRAVELING SPEEDS......................................................... 12 5. DIMENSIONS............................................................... 13 G GENERAL........................................................................... 14 GENERAL......................................................................... 15 1. TRACTOR IDENTIFICATION................................................... 16 [1] MODEL NAME AND SERIAL NUMBERS....................................... 16 [2] E4B ENGINE.......................................................... 17 [3] CYLINDER NUMBER..................................................... 17 2. GENERAL PRECAUTIONS...................................................... 18 3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING..................... 19 [1] WIRING.............................................................. 19 [2] BATTERY............................................................. 21 [3] FUSE................................................................ 21 [4] CONNECTOR........................................................... 21 [5] CIRCUIT TESTER...................................................... 22 [6] COLOR OF WIRING..................................................... 23 4. LUBRICANTS, FUEL AND COOLANT............................................. 24 5. TIGHTENING TORQUES....................................................... 26 [1] GENERAL USE SCREWS, BOLTS AND NUTS.................................. 26 [2] STUD BOLTS.......................................................... 26 [3] METRIC SCREWS, BOLTS AND NUTS....................................... 27 [4] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR UNF THREADS.... 27 [5] PLUGS............................................................... 27 6. MAINTENANCE CHECK LIST................................................... 28 7. CHECK AND MAINTENANCE.................................................... 30 [1] DAILY CHECK......................................................... 30 [2] CHECK POINTS OF INITIAL 50 HOURS.................................... 31 [3] CHECK POINTS OF EVERY 50 HOURS...................................... 34 [4] CHECK POINTS OF EVERY 100 HOURS..................................... 37 [5] CHECK POINTS OF EVERY 200 HOURS..................................... 41 [6] CHECK POINTS OF EVERY 400 HOURS..................................... 43 [7] CHECK POINT OF EVERY 600 HOURS...................................... 45 [8] CHECK POINT OF EVERY 800 HOURS...................................... 45 [9] CHECK POINT OF EVERY 1500 HOURS..................................... 45 [10] CHECK POINT OF EVERY 3000 HOURS.................................... 46 [11] CHECK POINT OF EVERY 1 YEAR........................................ 46 [12] CHECK POINTS OF EVERY 2 YEARS...................................... 46 [13] OTHERS............................................................. 49 8. SPECIAL TOOLS............................................................ 52 [1] SPECIAL TOOLS FOR ENGINE............................................ 52 [2] SPECIAL TOOLS FOR TRACTOR........................................... 60 9. TIRES.................................................................... 71 [1] TIRE PRESSURE....................................................... 71 [2] TREADS ADJUSTMENT................................................... 72 (1) Front Wheel..................................................... 72 (2) Rear Wheels..................................................... 73 [3] TIRE LIQUID INJECTION............................................... 74 [4] IMPLEMENT LIMITATIONS............................................... 77 1 ENGINE............................................................................ 79 MECHANISM....................................................................... 80 1. ENGINE BODY.............................................................. 81 [1] PISTON.............................................................. 81 [2] HALF-FLOATING HEAD COVER............................................ 81 2. FUEL SYSTEM.............................................................. 82 [1] OUTLINE............................................................. 82 [2] GOVERNOR............................................................ 83 [3] INJECTION NOZZLE.................................................... 85 3. COOLING SYSTEM........................................................... 87 SERVICING....................................................................... 88 1. TROUBLESHOOTING.......................................................... 89 2. SERVICING SPECIFICATIONS................................................. 92 3. TIGHTENING TORQUES....................................................... 97 4. CHECKING AND ADJUSTING................................................... 98 [1] ENGINE BODY......................................................... 98 [2] LUBRICATING SYSTEM..................................................100 [3] COOLING SYSTEM......................................................100 [4] FUEL SYSTEM.........................................................103 5. PREPARATION..............................................................105 [1] MANUAL TRANSMISSION TYPE............................................105 (1) Separating Engine from Clutch Housing Case......................105 (2) Separating Engine from Front Axle Frame.........................114 [2] HST TYPE............................................................116 (1) Separating Engine from Clutch Housing Case......................116 (2) Separating Engine from Front Axle Frame.........................125 6. DISASSEMBLING AND ASSEMBLING.............................................128 [1] CYLINDER HEAD AND VALVES............................................128 [2] TIMING GEARS, CAMSHAFT AND FUEL CAMSHAFT............................132 [3] CONNECTING ROD AND PISTON...........................................136 [4] CRANKSHAFT..........................................................139 [5] THERMOSTAT..........................................................142 7. SERVICING................................................................143 [1] CYLINDER HEAD AND VALVES............................................143 [2] TIMING GEARS, CAMSHAFT AND FUEL CAMSHAFT............................149 [3] PISTON AND CONNECTING ROD...........................................151 [4] CRANKSHAFT..........................................................154 [5] CYLINDER............................................................159 [6] OIL PUMP............................................................160 2 CLUTCH............................................................................161 MECHANISM.......................................................................162 1. STRUCTURE................................................................163 SERVICING.......................................................................164 1. TROUBLESHOOTING..........................................................165 2. SERVICING SPECIFICATIONS.................................................167 [1] SINGLE STAGE CLUTCH.................................................167 3. TIGHTENING TORQUES.......................................................168 4. CHECKING AND ADJUSTING...................................................169 5. PREPARATION..............................................................170 [1] SEPARATING CLUTCH HOUSING CASE FROM ENGINE..........................170 (1) Manual Transmission Type........................................170 (2) HST Type........................................................177 6. DISASSEMBLING AND ASSEMBLING.............................................185 [1] SINGLE STAGE CLUTCH.................................................185 7. SERVICING................................................................186 [1] SINGLE STAGE CLUTCH.................................................186 3 TRANSMISSION......................................................................188 MECHANISM.......................................................................189 1. STRUCTURE................................................................190 [1] MANUAL TRANSMISSION TYPE............................................190 [2] HST TYPE............................................................191 2. MANUAL TRANSMISSION TYPE.................................................192 [1] POWER TRAIN.........................................................192 (1) Main Gear Shift Section (4 Speeds)..............................192 (2) Range Gear Shift Section........................................192 (3) Front Wheel Drive Section (4WD or 2WD)..........................193 [2] SHIFT LINKAGE MECHANISM.............................................194 (1) Main Gear Shift Lever...........................................194 (2) Range Gear Shift Lever..........................................194 (3) Front Wheel Drive Lever (For Four Wheel Drive Model)............195 [3] PTO SYSTEM..........................................................196 (1) Structure.......................................................196 (2) Shift Linkage...................................................197 3. HST TYPE.................................................................198 [1] POWER TRAIN.........................................................198 (1) Structure.......................................................198 (2) Oil Flow........................................................200 (3) Operation.......................................................201 (4) Range Gear Shift Section........................................204 (5) Front Drive Wheel Section.......................................204 [2] HST PEDAL CONTROL LINKAGE...........................................205 [3] CRUISE CONTROL (OPTION).............................................206 [4] SHIFT LINKAGE MECHANISM.............................................207 (1) Range Gear Shift Lever..........................................207 (2) Front Wheel Drive Lever.........................................207 [5] PTO SYSTEM..........................................................208 (1) Structure.......................................................208 (2) Shift Linkage...................................................209 SERVICING.......................................................................210 1. TROUBLESHOOTING..........................................................211 [1] MANUAL TRANSMISSION TYPE............................................211 [2] HST TYPE............................................................213 2. SERVICING SPECIFICATIONS.................................................215 [1] MANUAL TRANSMISSION TYPE............................................215 [2] HST TYPE............................................................216 3. TIGHTENING TORQUES.......................................................217 4. CHECKING AND ADJUSTING...................................................218 [1] MANUAL TRANSMISSION TYPE............................................218 (1) Range Gear Shift Lever..........................................218 [2] HST TYPE............................................................220 5. PREPARATION..............................................................225 [1] MANUAL TRANSMISSION TYPE............................................225 (1) Separating Clutch Housing Case..................................225 (2) Separating Transmission Case....................................227 [2] HST TYPE............................................................232 (1) Separating Clutch Housing Case..................................232 (2) Separating Mid Case.............................................234 (3) Separating Transmission Case....................................240 6. DISASSEMBLING AND ASSEMBLING.............................................246 [1] MANUAL TRANSMISSION TYPE............................................246 (1) Clutch Housing Case.............................................246 (2) Transmission Case...............................................248 (3) Disassembling Differential Gear Assembly........................251 [2] HST TYPE............................................................253 (1) Clutch Housing..................................................253 (2) Mid Case........................................................258 (3) Transmission Case...............................................259 (4) Disassembling Differential Gear Assembly........................262 (5) Disassembling Cruise Control (Option)...........................263 7. SERVICING................................................................264 [1] CLUTCH HOUSING CASE.................................................264 (1) Manual Transmission Type........................................264 (2) HST Type........................................................265 [2] TRANSMISSION CASE...................................................268 4 REAR AXLE.........................................................................272 MECHANISM.......................................................................273 1. STRUCTURE................................................................274 SERVICING.......................................................................275 1. TROUBLESHOOTING..........................................................276 2. TIGHTENING TORQUES.......................................................277 3. DISASSEMBLING AND ASSEMBLING.............................................278 [1] SEPARATING REAR AXLE CASE...........................................278 [2] DISASSEMBLING REAR AXLE.............................................282 4. SERVICING................................................................283 5 BRAKES............................................................................284 MECHANISM.......................................................................285 1. FEATURES.................................................................286 2. OPERATION................................................................287 SERVICING.......................................................................288 1. TROUBLESHOOTING..........................................................289 2. SERVICING SPECIFICATIONS.................................................290 3. TIGHTENING TORQUES.......................................................291 4. CHECKING AND ADJUSTING...................................................292 5. DISASSEMBLING AND ASSEMBLING.............................................293 [1] SEPARATING BRAKE CASE...............................................293 [2] DISASSEMBLING THE BRAKE CASE........................................298 6. SERVICING................................................................299 6 FRONT AXLE........................................................................300 MECHANISM.......................................................................301 1. STRUCTURE................................................................302 [1] 2WD.................................................................302 [2] 4WD.................................................................303 SERVICING.......................................................................304 1. TROUBLESHOOTING..........................................................305 2. SERVICING SPECIFICATIONS.................................................306 3. TIGHTENING TORQUES.......................................................308 4. CHECKING AND ADJUSTING...................................................309 5. DISASSEMBLING AND ASSEMBLING.............................................311 [1] SEPARATING FRONT AXLE...............................................311 [2] DISASSEMBLING FRONT AXLE............................................314 (1) 2WD.............................................................314 (2) 4WD.............................................................315 6. SERVICING................................................................319 [1] 2WD.................................................................319 [2] 4WD.................................................................320 7 STEERING..........................................................................324 MECHANISM.......................................................................325 1. STRUCTURE................................................................326 2. HYDRAULIC CIRCUIT........................................................327 3. STEERING GEAR BOX........................................................328 [1] STRUCTURE...........................................................328 [2] OPERATION...........................................................329 SERVICING.......................................................................330 1. TROUBLESHOOTING..........................................................331 2. SERVICING SPECIFICATIONS.................................................332 3. TIGHTENING TORQUES.......................................................333 4. CHECKING AND ADJUSTING...................................................334 [1] STEERING WHEEL PLAY.................................................334 [2] STEERING GEAR BOX...................................................335 5. DISASSEMBLING AND ASSEMBLING.............................................336 [1] SEPARATING STEERING GEAR BOX........................................336 [2] DISASSEMBLING GEAR BOX..............................................339 6. SERVICING................................................................341 8 HYDRAULIC SYSTEM..................................................................342 MECHANISM.......................................................................343 1. STRUCTURE................................................................344 [1] MANUAL TRANSMISSION TYPE............................................344 [2] HST TYPE............................................................345 2. HYDRAULIC CIRCUIT........................................................346 [1] MANUAL TRANSMISSION TYPE............................................346 [2] HST TYPE............................................................347 3. THREE POINT HITCH HYDRAULIC SYSTEM.......................................348 [1] THREE POINT HITCH HYDRAULIC CIRCUIT.................................348 [2] HYDRAULIC CYLINDER..................................................349 [3] LINKAGE MECHANISM...................................................350 [4] POSITION CONTROL VALVE..............................................353 [5] HYDRAULIC PUMP......................................................355 [6] SAFETY VALVE........................................................355 4. FRONT HYDRAULIC BLOCK....................................................356 [1] STRUCTURE...........................................................356 [2] HYDRAULIC CIRCUIT...................................................356 [3] RELIEF VALVE........................................................357 SERVICING.......................................................................358 1. TROUBLESHOOTING..........................................................359 2. SERVICING SPECIFICATIONS.................................................361 3. TIGHTENING TORQUES.......................................................363 4. CHECKING AND ADJUSTING...................................................364 [1] RELIEF VALVE AND SAFETY VALVE.......................................364 [2] POSITION CONTROL ROD................................................366 5. DISASSEMBLING AND ASSEMBLING.............................................367 [1] HYDRAULIC PUMP (THREE POINT HITCH HYDRAULIC SYSTEM).................367 [2] HYDRAULIC CYLINDER..................................................369 [3] POSITION CONTROL VALVE..............................................372 [4] RELIEF VALVE........................................................374 6. SERVICING................................................................375 [1] HYDRAULIC PUMP (THREE POINT HITCH HYDRAULIC SYSTEM).................375 [2] HYDRAULIC CYLINDER..................................................376 9 ELECTRICAL SYSTEM.................................................................377 MECHANISM.......................................................................378 1. WIRING DIAGRAM...........................................................379 [1] MANUAL TRANSMISSION TYPE............................................379 [2] HST TYPE............................................................380 2. ELECTRICAL CIRCUIT.......................................................381 [1] MANUAL TRANSMISSION TYPE............................................381 [2] HST TYPE............................................................382 3. INSTRUMENT PANEL.........................................................383 [1] INDICATION ITEMS OF METER PANEL.....................................383 [2] EASY CHECKER™.......................................................383 4. ENGINE STARTING SYSTEM...................................................384 [1] ELECTRIC CIRCUIT....................................................384 (1) Manual Transmission Type........................................384 (2) HST Type........................................................386 [2] SAFETY SWITCH.......................................................388 (1) Manual Transmission Type........................................388 (2) HST Type........................................................388 5. OPERATOR PRESENCE CONTROL (OPC) SYSTEM...................................390 [1] ELECTRICAL CIRCUIT..................................................390 (1) Manual Transmission Type........................................390 (2) HST Type........................................................400 [2] SAFETY SWITCH.......................................................408 SERVICING.......................................................................409 1. TROUBLESHOOTING..........................................................410 2. SERVICING SPECIFICATIONS.................................................414 3. TIGHTENING TORQUES.......................................................415 4. CHECKING AND ADJUSTING...................................................416 [1] BATTERY.............................................................416 [2] ENGINE STARTING AND STOPPING SYSTEM.................................418 (1) Main Switch.....................................................418 (2) Safety Switch...................................................419 (3) Starter and Starter Relay.......................................421 (4) Glow Control System.............................................423 (5) Engine Stop Solenoid............................................423 (6) Operator Presence Control (OPC) System..........................425 (7) Charging System.................................................427 (8) Fuse and Ground Cable...........................................428 [3] LIGHT SWITCHES AND FLASHER UNIT.....................................429 (1) Combination Switch..............................................429 (2) Hazard Switch...................................................431 (3) Flasher Unit....................................................433 [4] INSTRUMENT PANEL....................................................434 [5] GAUGES..............................................................439 (1) Fuel Level Sensor...............................................439 (2) Coolant Temperature Sensor......................................440 5. DISASSEMBLING AND ASSEMBLING.............................................441 [1] STARTER.............................................................441 6. SERVICING................................................................442 [1] STARTER.............................................................442
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