Arctic Cat 2016 90 Utility Service Manual page 72

CLEANING AND INSPECTING
NOTE: Always clean and inspect the drive axle

components to determine if any service or replace-
ment is necessary. Replace all components showing
signs of wear or damage.
1. Using a clean towel, wipe away any oil or grease.
2. Inspect bearings for smooth operation.
3. Inspect seals for tears, cracks, or deterioration.
4. Inspect splines on axle for damage or wear.
5. Inspect threads on end of axle for damage or stripped
threads.
6. Inspect axle for straightness by rolling it on a flat
surface and checking for wobble.
7. Inspect axle housing for dents or warpage that might
interfere with bearing bore or alignment.
INSTALLING BEARINGS AND SEALS
1. Using a plastic mallet and bearing driver or appropri-
ate size socket, carefully install the first bearing into
the axle housing.
KM226
2. Place the center axle housing spacer in the axle hous-
ing; then using a plastic mallet, install the second
bearing.
 NOTE: It may be helpful to insert the axle through
the previously installed bearing and into the axle
housing to align the center axle housing spacer with
the bearing bore. Axle installation may be difficult if
the spacer is offset from the bearing bore.
3. Apply a light coat of axle bearing grease to the inside
(mating surface) of the seals; then using a plastic
mallet, install the seals.
KM223
INSTALLING AXLE HOUSING
1. Position axle housing in swing arm; then install and
finger-tighten the four cap screws securing the axle
housing to the swing arm.
2. Install the brake caliper to the axle housing.
KM207
3. Install the drive chain.
4. Adjust the drive chain slack; then tighten the four
cap screws (from step 1) to 29 ft-lb.
INSTALLING DRIVE AXLE/REAR HUB
1. Slowly slide the axle into the axle housing.
 NOTE: The axle may have to be turned from side-
to-side slightly during installing to get the axle
through the center axle housing spacer.
MD2374
2. Slide the axle through the brake disc.
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