9
9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.
9.11
PAD INSPECTION
1. Check the brake pads for wear, damage, or
looseness.
2. Measure the thickness of the pad material. Replace
pads if worn beyond the service limit.
MEASUREMENT
Front Brake Pad Thickness:
New: .300 ± .007" (7.62 ± .178 mm)
Service Limit: .030″ (0.762 mm)
PAD ASSEMBLY / INSTALLATION
1. Lubricate mounting bracket pins
q
with a light film of
silicone grease and install rubber dust boots
w
.
2. Compress mounting bracket and make sure dust
boots are fully seated. Install pads with friction
material facing each other.
WARNING
If brake pads are contaminated with grease, oil, or
liquid soaked do not use the pads. Use only new, clean
pads.
3. Install caliper onto front hub and torque new mounting
bolts to specification.
TORQUE
Front Caliper Mount Bolt:
30 ft-lbs (54 Nm)
4. Slowly pump the brake pedal until pressure has been
built up. Maintain at least 1/2, (12.7 mm) of brake fluid
in the reservoir to prevent air from entering the brake
system.
5. Install the adjustment set screw and turn clockwise
until stationary pad contacts disc, then back off 1/2
turn (counterclockwise).
6. Verify fluid level in reservoir is up to MAX line inside
reservoir and install reservoir cap.
Master Cylinder Fluid:
Up to MAX line inside reservoir
7. Install wheel and torque wheel nuts to specification.
TORQUE
Aluminum Wheels:
30 ft-lbs + 90° (41 Nm)
BRAKE SYSTEM
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