Arctic Cat 2015 400 Service Manual page 101

5. Using a new O-ring lubricated with grease, install
the front drive actuator and secure with the cap
screws.
6. Place the pinion housing with new gasket onto the
gear case housing; then secure with the existing cap
screws. Tighten to 18 ft-lb.
Disassembling Pinion Gear
 NOTE: This procedure can be performed on a rear
gear case.
1. Remove the cap screw securing the pinion housing;
then remove the housing. Account for the gasket,
coupler, fork, and spring.
2. Remove the cap screws securing the gear case cover.
Account for and make note of the ID tag location for
assembling purposes.
3. Using a plastic mallet, tap lightly to remove the dif-
ferential cover. Account for an O-ring and a shim.
 NOTE: If the cover is difficult to remove, pry on the
cover in more than one recessed location.
CD112
4. Place the differential with the open side down; then
lift the housing off the spider assembly. Account for
shim(s) and mark as right-side.
KX209
5. Unstake the lock collar; then using the 48 mm Inter-
nal Hex Socket, remove the lock collar securing the
pinion gear assembly.
Failure to completely remove the staked material from
the lock collar will result in the destruction of the
threads in the gear case housing.
 NOTE: On a front differential, the lock collar has
right-hand threads. On a rear gear case, the lock col-
lar has left-hand threads.
KX173
CAUTION
GC063
KX179
KX181
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