Front Brake Disc; Disc Runout; Disc Inspection - Polaris 2012 RANGER RZR 570 INTL Service Manual

BRAKES

FRONT BRAKE DISC

Disc Runout

1. Mount dia l in dicator as sh own to m easure d isc
runout. Slowly rotate the disc and read total runout on
the dial indicator. Replace the disc if runout exceeds
specification.
Brake Disc Runout
Service Limit .010" (.254 mm)
9.20

Disc Inspection

1. Visually inspect disc fo
gouges. Replace the disc if an y deep scratches are
evident.
2. Use a 0 -1" micro meter a nd m easure the disc
thickness a t eight different po ints around the pa d
contact surface. Replace disc if worn beyond service
limit.
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
r s coring, scratches, o r
Measure
Thickness
Front
Disc
Brake Disc Thickness
New .188" (4.78 mm)
Service Limit .170" (4.32 mm)
Brake Disc Thickness Variance
Service Limit: .002" (.051 mm)
difference between measurements