10.28
9850045 R01 - 2020-2021 RANGER 1000 Service Manual
© Copyright Polaris Inc.
6. Field test unit for proper braking action before putting
into service. Inspect for fluid leaks and firm brakes.
Make sure the brake is not dragging when pedal is
released. If the brake drags, re-check assembly and
installation.
NOTICE
If new brake pads are installed, brake burnishing is
recommended. Refer to “Brake Burnishing
Procedure” page 10.23.
BRAKE DISC SERVICE
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
BRAKE SYSTEM
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