Rear Brake Disc; Disc Inspection; Disc Replacement - Polaris 2013 RANGER RZR S Service Manual

BRAKES

REAR BRAKE DISC

Disc 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 the disc
thickness at eight different points around the pad
contact surface. Replace disc if worn beyond service
limit.
Front
View
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
3. 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
specifications.
Brake Disc Runout:
Service Limit .010" (.254 mm)
9.24
Side
View
Measure
Thickness
9924125 - 2013 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2012 Polaris Sales Inc.

Disc Replacement

1. Remove rear brake caliper (see "REAR CALIPER
SERVICE").
2. Remove wheel hub cotter pin, castle nut and washers.
3. Remove the hub assembly from the vehicle and
remove the (4) bolts retaining the disc to the hub.
Cotter
Pin
Washers
Nut
4. Clean the wheel hub mating surface and install new
disc on wheel hub.
5. Install new bolts and torque to specification.
Brake Disc Mounting Bolts:
28 ft-lbs (38 Nm)
Always use new brake disc mounting bolts. The
bolts have a pre-applied locking agent which is
destroyed upon removal.
(4) Bolts
28 ft-lbs
(38 Nm)
= T
CAUTION