Polaris RZR 4 Offroad Vehicle User Manual


 
9.16
BRAKES
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
4. Install the adjustment set screw and turn clockwise until
stationary pad contacts disc, then back off 1/2 turn
(counterclockwise).
5. Perform brake bleeding procedure as outlined earlier in this
chapter.
6. Install wheel and torque wheel nuts to specification.
7. 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.
NOTE: If new pads are installed, refer to “FRONT
BRAKE PADS - Brake Burnishing Procedure”.
FRONT BRAKE DISC
Disc Runout
1. 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 specification.
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.
= T
Wheel Nuts:
Steel Wheels: 27 ft. lbs. (37 Nm)
Aluminum Wheels: 30 ft. lbs. + 90° (1/4 turn)
1/2 Turn
Brake Disc Runout
Service Limit .010” (.254 mm)
Measure
Thickness
Front
Disc