Tracker Off-Road 500S Service Manual page 132

5. Keeping the bearing flange pressed against the cover,
install the assembly onto the differential housing.
While this is being performed, align the internal
splines of the differential lock coupler to the external
splines of the housing. Secure the cover to the hous-
ing with existing cap screws. Tighten evenly to 16.5
ft-lb (22.4 N-m).
NOTE: Place the differential ID tag in the position

shown.
PK226
6. Install the two shift fork shafts with spring and 2WD/
4WD coupler into the housing. Grease the splines;
then engage the splines of the coupler to the splines
of the pinion shaft.
PK227
7. With the dowel pin (A) in place, install a new gasket.
Place the input shaft housing with bracket onto the
differential housing. Tighten the cap screws to 16.5
ft-lb (22.4 N-m).
PK039A
130
PK038A
8. Slide the return spring (A) onto the differential lock
push rod (B). Place the cupped side of the retaining
cap (C) onto the return spring (A); then secure with a
new circlip (D).
PK037A
9. Secure the slotted plug with O-ring into the housing.
Install the actuator (see Front Drive Actuator/Install-
ing steps 1-5 in this section).
PK036
Removing/Installing Axle Seal
NOTE: This procedure can be performed on a rear

gear case.
1. Remove the seal using a seal removal tool.