Powertrax 4110 User Manual
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1. Remove the ring gear if it interferes with the removal
of the pinion shaft. It may need to be tapped off with a brass
mallet. Mark it so that it can be re-installed in the same rotation-
al orientation as when removed. Note: If the pinion shaft can be
slid out past the ring gear teeth, the ring gear does not need to
be removed.
2. Remove the pinion shaft retaining pin with a long
punch or by unscrewing it as appropriate.
3. Remove the pinion shaft, spider gears, side gears, all
washers, and the pinion shaft block (if used in your assembly).
Disassembly of the Differential Case
Inspection of the Parts
NOTE: These steps are important. The LOCK-RIGHT uti-
lizes your case, side gear thrust washers, pinion shaft and axle
shaft thrust block, (if used), and they must be in excellent con-
dition. The spider gears and washers are not used. If following
inspection shows that anything is bad, buy new parts from your
dealer!
1. Thoroughly clean the differential case and remaining
parts with solvent, then dry them.
2. Inspect the pinion shaft. Any grooves or galling that
can be felt may weaken it and can also adversely affect the oper-
ation of your new LOCK-RIGHT. If it is not in excellent condition,
obtain a new one.
3. Inspect the side gear thrust washers. They are im-
portant to the correct positioning of the LOCK-RIGHT parts. If
they are excessively worn or are cracked, obtain new ones.
Several thicknesses may be offered; try to obtain the same size
as the old ones. NOTE: There should be TWO thrust washers