Cub Cadet 8454 Service Manual
CHAPTER 1. GENERAL INFORMATION ........................................................................................1-1
1. TRACTOR VIEW.............................................................................................................................................. 1-3
2. TIGHTENING TORQUE FOR STANDARD BOLTS AND NUTS ................................................................. 1-4
2.1 TIGHTENING TORQUE ........................................................................................................................ 1-4
3. SPECIFICATIONS ........................................................................................................................................... 1-6
4. IDENTIFICATIONS .......................................................................................................................................... 1-8
4.1 ENGINE NUMBER ............................................................................................................................... 1-8
4.2 SERIAL NUMBER OF THE TRACTOR ............................................................................................... 1-8
5. CAUTION BEFORE REPAIR .......................................................................................................................... 1-9
5.1 BEFORE REPAIR OR INSPECTION .................................................................................................. 1-9
5.2 ASSEMBLY AND DISASSEMBLY ......................................................................................................... 1-9
5.3 PARTS TO BE REPLACED .................................................................................................................. 1-9
5.4 PARTS.................................................................................................................................................... 1-9
5.5 ASBESTOS PARTS ............................................................................................................................. 1-10
5.6 ELECTRICAL SYSTEM....................................................................................................................... 1-10
5.7 TUBES AND RUBBERS ..................................................................................................................... 1-11
5.8 LUBRICANT ........................................................................................................................................ 1-11
6. REGULAR CHECK LIST.............................................................................................................................. 1-12
7. OIL & WATER SUPPLY LIST ........................................................................................................................ 1-13
CHAPTER 2. ENGINE ........................................................................................................................2-1
1. GENERAL ........................................................................................................................................................ 2-3
1.1 APPEARANCE ...................................................................................................................................... 2-3
1.2 SPECIFICATIONS ................................................................................................................................ 2-4
1.3 PERFORMANCE CURVE ..................................................................................................................... 2-5
1.4 DIMENSIONS........................................................................................................................................ 2-6
1.5 GENERAL WARNING ........................................................................................................................... 2-6
2. STRUCTURE AND FUNCTION ..................................................................................................................... 2-7
2.1 BODY ..................................................................................................................................................... 2-7
2.2 LUBRICATION SYSTEM ..................................................................................................................... 2-11
2.3 COOLING SYSTEM ............................................................................................................................. 2-13
2.4 FUEL SYSTEM.................................................................................................................................... 2-15
2.5 INTAKE AND EXHAUST SYSTEM...................................................................................................... 2-22
3. DISASSEMBLING AND SERVICING .......................................................................................................... 2-24
3.1 TROUBLIE SHOOTING...................................................................................................................... 2-24
3.2 SERVICING SPECIFICATIONS ......................................................................................................... 2-27
3.3 CHECKING, DISASSEMBLING AND SERVICING .......................................................................... 2-33
CHAPTER 3. CLUTCH .......................................................................................................................3-1
1. TROUBLE SHOOTING................................................................................................................................... 3-3
2. SPECIFICATIONS,TIGHTENING TORQUES AND SPECIAL TOOLS ...................................................... 3-4
2.1 SPECIFICATIONS ................................................................................................................................ 3-4
2.2 TIGHTENING TORQUES ..................................................................................................................... 3-4
2.3 SPECIAL TOOLS.................................................................................................................................. 3-4
3. STRUCTURE AND OPERATION ................................................................................................................... 3-5
3.1 FEATURES ............................................................................................................................................ 3-5
3.2 STRUCTURE........................................................................................................................................ 3-5
3.3 OPERATION .......................................................................................................................................... 3-6
4. PREPARATION STAGE FOR DISASSEMBLING AND ASSEMBLING ........................................................ 3-7
4.1 SEPARATING PANEL FRAME ASSEMBLY ......................................................................................... 3-7
4.2 SEPARATING ENGINE AND CLUTCH HOUSING CASE................................................................. 3-9
4.3 DISASSEMBLY.................................................................................................................................... 3-10
5. ADJUSTMENT OF PEDALS ......................................................................................................................... 3-11
5.1 DEFLECTION OF CLUTCH PEDAL ................................................................................................. 3-11
5.2 CLEARANCE BETWEEN SAFETY STARTING SWITCH AND LINK............................................. 3-11
6. INSPECTION AND REPAIR .......................................................................................................................... 3-12
6.1 WEAR AND DAMAGE ON CLUTCH DISC ....................................................................................... 3-12
6.2 CLEARANCE BETWEEN SPLINE BOSS OF THE CLUTCH DISC AND
SHUTTLE SHAFT SPLINES .............................................................................................................. 3-12
6.3 FLATNESS OF CLUTCH PRESSURE PLATE, DAMAGES ............................................................ 3-13
6.4 DAMAGES TO FLYWHEEL, ADJUSTMENT OF RELEASE BEARING .......................................... 3-13
6.5 WEAR OR DAMAGES ON RELEASE BEARING, RELEASE FORK AND RELEASE HUB ........ 3-13
6.6 CLEARANCE BETWEEN CLUTCH PEDAL SHAFT AND CLUTCH PEDAL BUSHING ............ 3-14
CHAPTER 4. TRANSMISSION SYSTEM ........................................................................................4-1
1. TROUBLESHOOTING .................................................................................................................................... 4-3
1.1 TROUBLESHOOTING FOR SHUTTLE SHIFT IN OPERATION ERROR ...................................... 4-3
1.2 TROUBLESHOOTING FOR MAIN SHIFTS IN OPERATION ERROR ............................................ 4-3
1.3 TROUBLESHOOTING FOR AUXILIARY AND CREEP SHIFTS IN OPERATION ERROR ........... 4-4
1.4 TROUBLESHOOTING FOR REAR DIFFERENTIAL GEAR IN OPERATION ERROR ................. 4-4
1.5 TROUBLESHOOTING FOR REAR DIFFERENTIAL IN OPERATION ERROR ............................. 4-4
1.6 TROUBLESHOOTING FOR FRONT WHEEL DRIVE IN OPERATION ERROR ........................... 4-5
1.7 TROUBLESHOOTING FOR PTO CLUTCH IN OPERATION ERROR ........................................... 4-5
1.8 TROUBLESHOOTING FOR PTO IN OPERATION ERROR............................................................. 4-5
1.9 TROUBLESHOOTING FOR PARKING BRAKE IN OPERATION ERROR...................................... 4-5
2. SPECIFICATIONS ........................................................................................................................................... 4-6
2.1 TIGHTENING TORQUES ..................................................................................................................... 4-6
3. STRUCTURE .................................................................................................................................................. 4-7
3.1 POWER TRAIN DIAGRAM .................................................................................................................... 4-7
3.2 STRUCTURE........................................................................................................................................ 4-8
3.3 POWER TRAIN ..................................................................................................................................... 4-9
3.3.1 TRANSMISSION........................................................................................................................ 4-9
3.3.2 SHUTTLE SHIFT SECTION ................................................................................................... 4-10
3.3.3 MAIN SHIFT .............................................................................................................................. 4-11
3.3.4 AUXILIARY SHIFT .................................................................................................................... 4-12
3.3.5 FRONT WHEEL DRIVE........................................................................................................... 4-12
3.3.6 PTO SHIFT............................................................................................................................... 4-13
3.4 OPERATION ........................................................................................................................................ 4-14
3.4.1 FEATURES................................................................................................................................ 4-14
4. PREPARATION STAGE FOR DISASSEMBLING AND ASSEMBLING TRANSMISSION........................ 4-22
4.1 DRAINING THE TRANSMISSION FLUID......................................................................................... 4-22
4.2 SEPARATING PANEL FRAME ASSEMBLY ....................................................................................... 4-23
4.3 SEPARATING REAR FENDERS AND PLATFORM ASSEMBLY ..................................................... 4-25
5. TO DISMANTLE AND TO ASSEMBLE ......................................................................................................... 4-28
5.1 STANDARD TABLE FOR REPAIR ..................................................................................................... 4-28
5.2 TO DISMANTLE AND TO ASSEMBLE............................................................................................... 4-28
6. DIFFERENTIAL GEAR .................................................................................................................................. 4-55
6.1 STRUCTURE...................................................................................................................................... 4-55
6.2 OPERATION ........................................................................................................................................ 4-56
6.3 LOCKING OF THE DIFFERENTIAL GEAR ...................................................................................... 4-57
CHAPTER 5. FRONT AXLE ...............................................................................................................5-1
1. TROUBLESHOOTING.................................................................................................................................... 5-3
2. SPECIFICATIONS ........................................................................................................................................... 5-4
3. STRUCTURE .................................................................................................................................................. 5-6
3.1 OPERATION .......................................................................................................................................... 5-6
3.2 FRONT WHEEL ALIGNMENT ..........................................................................................................