2-10
Front Differential/Rear
Drive Lubricant
NOTE: On the H2, the rear drive incorporates a
shock-limiting clutch pack in the gear case input
assembly that is designed to cushion driveline
shock.
When changing the lubricant, use approved SAE
80W-90 hypoid gear lube.
To check lubricant, remove the fill plug; the lubricant
level should be 1 in. below the threads of the plug. If
low, add SAE approved 80W-90 hypoid gear lubricant
as necessary.
To change the lubricant, use the following procedure.
1. Place the ATV on level ground.
2. Remove each fill plug.
AL677C
3. Drain the lubricant into a drain pan by removing in
turn the drain plug from each.
ATV0082A
737-651B
4. After all the lubricant has been drained, install the
drain plugs and tighten to 45 in.-lb.
5. Pour the appropriate amount of approved SAE
80W-90 hypoid gear lubricant into the filler hole.
6. Install the fill plugs.
NOTE: If the differential/rear drive lubricant is
contaminated with water, inspect the drain plug,
fill plug, and/or bladder.
Driveshaft/Coupling
The following drive system components should be
inspected periodically to ensure proper operation.
A. Spline lateral movement (slop).
B. Coupling cracked, damaged, or worn.
Nuts/Bolts/Cap Screws
Tighten all nuts, bolts, and cap screws. Make sure riv-
ets holding components together are tight. Replace all
loose rivets. Care must be taken that all calibrated
nuts, bolts, and cap screws are tightened to specifica-
tions (see Section 1).
CAUTION
Any lubricant used in place of the recommended gear
case lubricant could result in premature failure of the
shock limiter. Do not use any lubricant containing
graphite or molybdenum additives or other fric-
tion-modified lubricants as these may cause severe
damage to shock limiter components.
CAUTION
Water entering the outer end of the axle will not be
able to enter the rear drive unless the seals are dam-
aged.
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