Caliper Assembly; Caliper Installation - Polaris ACE 900 2017 Service Manual

CALIPER ASSEMBLY

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1. Install new O-rings in the caliper body
the grooves are clean and free of residue or brakes
may drag upon assembly.
2. Coat pistons with clean Polaris DOT 4 Brake Fluid.
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Install pistons with a twisting motion while pushing
inward. Piston should slide in and out of bore
smoothly, with light resistance.
3. Lubricate the mounting bracket pins
grease and install the rubber dust seal boots
4. Compress the mounting bracket and make sure the
dust seal boots are fully seated. Install the brake
pads. Clean the disc and pads with brake parts
cleaner or denatured alcohol to remove any dirt, oil or
grease.
9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.

CALIPER INSTALLATION

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. Be sure 1. Install the brake line onto the caliper taking care not
to allow any debris to enter the caliper.
2. Install the caliper and torque the new mounting bolts
to specification.
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with silicone
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.
3. Torque the banjo bolt to the proper torque
specification.
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.
BRAKE SYSTEM
TORQUE
Front Caliper Mount Bolt:
30 ft-lbs (54 Nm)
TORQUE
Aluminum Wheels:
30 ft-lbs + 90° (41 Nm)
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9.15