47
TRANSMISSION TROUBLE ANALYSIS
TROUBLE CAUSE
DETERMINATION
SOLUTION
Clutches engaged Tractor drive
wheels will not turn.
Bound linkage, missing clevis pins.
Bent clutch rods, bent or broken
actuating shaft levers.
Repair
linkage.
Sheared keys in one or both actuating
shaft levers.
Replace sheared keys.
Broken drive pinion shaft.
Engage P.T.O. and hi-lo planetary,
P.T.O. does not turn.
Replace parts as required.
Hi-Lo planetary gears . broken,
broken or worn clutch.
Engage P.T.O. and hi-lo planetary,
P.T.O. does not turn, pinion shaft
could be tight indicating broken parts
in planetary.
Replace parts as required.
Forward-Reverse planetary, worn or
broken clutches, broken gears.
Engage P.I.O. and hi-lo planetary.
P.T.O. turns. Check differential
action by raising wheels off the
ground, turning one wheel by hand
other wheel should turn freely in
opposite direction.
Replace parts as required.
Differential
problems.
Tight or no differential action. Free
wheeling tractor or tractor wheels
won't turn.
Replace parts as required.
Transmission seems to be loading
engine, even to stall point when Hi-
Lo engaged. Ground speed about
three times as fast as normal speed
when Forward-Reverse is engaged.
Frozen Hi-Lo planetary.
Replace parts as required.
P.T.O. will not shift in or out of gear
or will not stay in gear.
Bending of external linkage..
Repair external linkage.
Broken or worn internal P.T.O.
shifting mechanism
Replace parts as required.
