10.30
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
CALIPER REMOVAL
1. Safely support the rear of the machine.
WARNING
Use care when supporting vehicle so that it does not tip
or fall. Severe injury may occur if machine tips or falls.
2. Use a wrench to remove the brake line. Place a
container to catch brake fluid draining from brake
lines.
3. After the fluid has drained into the container, remove
the two caliper mounting bolts and remove caliper.
4. Clean disc, caliper body, and pistons with brake
cleaner or alcohol.
REAR CALIPER DISASSEMBLY
1. Remove brake pad adjuster screw
q
.
2. Push upper pad retainer pin inward and slip brake
pads
u
past edge, if pads are still installed.
3. Remove mounting bracket
w
and dust boot
e
.
4. Remove piston
r
and square O-rings
t
from the
caliper body
y
.
5. Clean the caliper body, piston, and retaining bracket
with brake cleaner or alcohol.
NOTICE
Be sure to clean seal grooves in caliper body.
BRAKE SYSTEM