Front Brake Disc; Disc Inspection - Polaris RANGER 500 2018 Service Manual

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BRAKE SYSTEM

FRONT BRAKE DISC

1. Visually inspect the brake disc for nicks, scratches,

2. Measure the disc thickness at 8 different points

around the pad contact surface using a 0-1"

micrometer. Replace disc if worn beyond service

Brake Disc Thickness:

New .150-.165" (3.81 - 4.19 mm)

Service Limit .140"/3.56 mm

Brake Disc Thickness Variance:

Service Limit .002" (.051 mm)

difference between measurements

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.

Brake Disc Runout:

Service Limit .010" (.254 mm)

9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual

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