7
9926595 R01 - 2015-2016 RANGER EV Service Manual
© Copyright Polaris Industries Inc.
7.31
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 disc thickness at
8 different points around perimeter of disc. Replace
disc if worn beyond service limit.
Brake Disc Thickness
.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
specification.
Brake Disc Runout:
Service Limit .010″ (.254 mm)
DISC REPLACEMENT
1. Remove rear brake caliper (see “REAR CALIPER
SERVICE”).
2. Remove dust cap, cotter pin, castle nut and washers.
3. Remove the wheel hub assembly from the vehicle
and remove the (4) bolts retaining the disc to the
hub.
4. Clean the wheel hub mating surface and install new
disc on wheel hub.
5. Install new bolts and torque to specification.
TORQUE
Rear Brake Disc Bolts:
28 ft-lb (38 Nm)
WARNING
Always use new brake disc mounting bolts. The bolts
have a pre-applied locking agent which is destroyed
upon removal.
BRAKE SYSTEM
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