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9928487 R01 - 2018 RANGER XP 1000 Service Manual
© Copyright Polaris Industries Inc.
FRONT BRAKE DISC SERVICE
DISC RUNOUT
1.
Mount dial indicator as shown. Slowly rotate the disc
and read total runout on the dial indicator. Replace
disc if runout exceeds specification.
MEASUREMENT
Brake Disc Runout:
Service Limit:
0.010" (0.254 mm)
BRAKE DISK INSPECTION
1. Visually inspect disc for scoring, scratches or gouges.
Replace the disc if any deep scratches are evident.
2. Use a 0-1” micrometer and measure disc thickness at
eight different points around the pad contact surface.
Replace disc if worn beyond service limit.
MEASUREMENT
Brake Disc Thickness
Standard:
0.188" ( 4.78 mm)
Service Limit:
0.170" (4.32 mm)
MEASUREMENT
Brake Disc Thickness Variance
Service Limit:
0.002” (0.051 mm)
difference between measurements