Hub - Arctic Cat 2016 Alterra 500 Service Manual

2. Remove both of the rear drive axles (see Drive Axles
in this section).
3. Remove the four cap screws securing the output
shaft to the rear gear case flange.
CD028
4. Remove the two cap screws and lock nuts securing
the rear gear case to the frame; then remove the gear
case through the left side.
AF960A
AT THIS POINT

For servicing the input shaft, pinion gear, needle bear-
ing, ring gear, and axle seal, see Front Differential in
this section.
RING GEAR/THRUST BUTTON
Removing
1. Remove the cap screws securing the gear case cover
to the gear case; then remove the ring gear.
2. Remove the thrust button from the gear case cover
(left-hand threads). Account for a shim.
Inspecting
1. Inspect the ring gear for excessive wear, missing or
chipped teeth, or discoloration.
2. Inspect the thrust button for excessive wear or dis-
coloration.
3. Inspect the bearings for discoloration, roughness, or
excessive wear.

NOTE: For servicing bearings or seals, see Front
Differential in this section.
Installing/Shimming

NOTE: Ring gear clearance must be adjusted prior
to selecting shim for the thrust button.
154
1. Install the thrust button with shim into the gear case
cover and tighten securely (left-hand threads).
GC057A
2. Place the ring gear with selected shim into the cover
and measure the ring gear to thrust button clearance
with a thickness gauge. Clearance should be
0.020-0.040 in.
GC058A
3. If clearance is as specified, remove the ring gear and
thrust button; then place a drop of red Loctite #271
on the threads and tighten to 8 ft-lb (left-hand
threads).
4. If clearance is not as specified, repeat steps 1 and 2
using thicker (clearance too great) or thinner (clear-
ance too small) until correct specification is reached.

Hub

REMOVING
1. Secure the ATV on a support stand to elevate the
wheel; then remove the wheel.
! WARNING
Make sure the ATV is solidly supported on the support
stand to avoid injury.
2. Remove and discard the cotter pin from the nut.