7.16
FINAL DRIVE
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
Setting Ring Gear Backlash NON ADC
NOTE: Ring gear backlash is set at the factory. No
adjustment is required, unless the front cover is
replaced or the back lash pad screw is removed.
1. The backlash screw has locking a
gent that holds it
into place. Use a heat gun to lightly heat up the
locking agent on the screw.
2. Using a hex wrench, turn the back-lash screw out 3-
4
turns. Re-apply Loctite 262
Ô onto the bottom screw
threads.
3. Turn the screw in until it is lightly se
ated, then turn the
screw out 1/4 turn.
4. Set the gearcase upright. Rotate the input shaft at
least
4 times. This ensures the ring gear completes
one full rotation.
5. If a tight spot is felt during rotation, loosen the
backlash scre
w another 1/8 turn. Perform step 4
again. Repeat this procedure until the pinion shaft
rotates smoothly 4 times (1 revolution of ring gear).
6. The gearcase may be filled w
ith the recommended
amount of lubricant once gearlash procedure is
complete.
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