18
TRANSMISSION TROUBLE ANALYSIS
TROUBLE DETERMINATION CAUSE SOLUTION
Bound linkage, missing clevis
pins. Bent clutch rods, bent or
broken actuating shaft levers.
Repair linkage.
Engage P.T.O. and Hi-Lo planetary,
P.T.O, does not turn.
Broken drive pinion shaft. Replace parts as required.
Engage P.T.O. and Hi-Lo planetary,
P.T.O. does not turn, pinion shaft
could be tight indicating broken parts
in planetary
Hi-Lo planetary-gears broken,
broken or worn clutch.
Replace parts as required
Engage P.T.O. and Hi-Lo planetary,
P.T.O. turns. Check differential action
by raising wheels off the ground,
turning one wheel by hand and other
wheel should turn freely in opposite
direction.
Forward-Reverse planetary -
worn or broken clutches, broken
gears.
Replace parts as required.
Clutches engaged; Tractor drive wheels
will not turn.
Tight or no differential action. Free
wheeling tractor or tractor wheels
won't turn.
Differential problems. 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
Binding of external linkage. Repair external linkage. P.T.O. will not shift in or out of gear or
will not stay in gear.
Broken or worn internal P.T.O.
shifting mechanism.
Replace parts as required.
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