Case 580SR Service Manual page 158

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FAULT DIAGNOSIS MECHANICAL SYSTEM
PROBLEM
Noise
Difficult gear selection
Jumping out of gear
SECTION 21 - TRANSMISSION
Vehicle driveline problem:
Axles, propshafts, engine, engine mounts.
Misalignment of transmission/engine.
Worn or damaged bearings.
Gear teeth damaged or broken.
Excessive end float of shafts or gears.
Clutch plate failure forward, reverse or 4WD.
Incorrect grade of oil in transmission.
Low oil level.
Gear or thrust washer beginning to seize.
Shift rods worn or bent.
Shift forks worn, loose or twisted.
Synchronizer assemblies worn or damaged.
Clutch pack not releasing due to mechanical fault.
Clutch pack not releasing due to hydraulic fault.
Gearshift lever worn or damaged.
Incorrect grade of oil in transmission.
Low oil level.
Detent springs worn or broken.
Synchronizer or gear dog teeth worn or damaged.
Synchronizer assemblies worn or damaged.
Shift forks worn, loose or twisted.
Restriction or wear in gear linkage or stub lever assy.
not allowing gears to be fully selected.
Excess end float on output shaft assembly or gears.
CAUSE
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