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9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
REAR BRAKE DISC
DISC RUNOUT
1. Mount a dial indicator and measure disc runout.
Slowly rotate the disc and read total runout on the
dial indicator. Replace the disc if runout exceeds
specification.
MEASUREMENT
Brake Disc Runout
Service Limit .010” (.254 mm)
BRAKE DISC INSPECTION
1. Check the surface condition of the brake discs.
2. Measure the thickness of the front and rear brake
discs.
3. The disc (s) should be replaced if thickness is less
than the specified service limit
REF PART
SERVICE LIMIT
q
Front Disc
See the
Specifications at the
beginning of the
Brakes Chapter
w
Rear Disc
See the
Specifications at the
beginning of the
Brakes Chapter
WARNING
Do not apply WD-40 or any petroleum product to brake
discs. These types of products are flammable and may
also reduce the friction between the brake pad and
caliper.
BRAKE SYSTEM