9.16
BRAKES
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
3. Mount dial indicator as shown to measure disc runout.
Slowly rotate the disc and read total runout on the dial
indicator. Replace the disc if runout exceeds
specifications.
Removal / Replacement
NOTE: To reduce the possibility of warping, try
removing the brake disc mounting bolts before
applying heat to the bolts.
1. Apply heat to the hub in the area of the brake disc
mou
nting bolts to soften the bolt locking agent.
2. Remove bolts and disc.
3. Clean mating surface of disc and hub.
4. Install disc on hub.
5. Install new bolts and tighten to
specification.
Brake Disc Runout Service Limit:
.010” / .254 mm
Brake Disc Bolt Torque:
Front - 18 ft.lbs. (24 Nm)
Rear - 27 ft.lbs. (37 Nm)
Always use new brake disc mounting bolts. The
bolts have a pre-applied locking agent which is
destroyed upon removal.
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