10
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
10.15
PAD INSPECTION
1. Measure overall thickness of brake pad with insulator
plate. Replace pads if worn beyond the service limit.
MEASUREMENT
Front Brake Pad Thickness:
New: .298 ± .007” (7.56 ± .178 mm)
Service Limit: .180” (4.6 mm)
PAD ASSEMBLY / INSTALLATION- CREW
1. Lubricate mounting bracket pins with a light film of
disc brake caliper lube, and install rubber dust boots.
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 mounting
bolts.
TORQUE
Front Caliper Mount Bolt:
46 ft-lbs (62 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 pad adjuster set screw (Item 1) 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
(see “Chapter 2 - Maintenance”).
BRAKE SYSTEM
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