Brake Bleeding / Fluid Change - Polaris 2012 RANGER RZR 570 INTL Service Manual

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BRAKE BLEEDING / FLUID CHANGE

NOTE: When b leeding t he brakes or replacing t he
fluid always s tart with the f urthest c aliper f rom t he
master cylinder.
CAUTION
Always wear safety glasses.
CAUTION
Brake fluid will damage finished surfaces. Do not
allow brake fluid to come in contact with finished
surfaces. This procedure should be used to
change fluid or bleed brakes during
regular maintenance.
1. Clean master cylinder reservoir cover thoroughly and
remove the cover.
Master Cylinder
2. If changing fluid, remove old fluid from reservoir with
a Mity Vac™ pump or similar tool.
Mity Vac™ (PN 2870975)
3. Add brake fluid to the indicated MAX level of reservoir.
Polaris DOT 4 Brake Fluid
(PN 2872189)
4. Begin bleeding pr ocedure wit h th e ca liper th at is
farthest from the ma ster cylin der. Install a b ox end
wrench on caliper bleeder screw. Attach a clean, clear
hose to fitting an d place the othe r end in a cle an
container. Be sure the hose fits tightly on fitting.
5. Have an a ssistant slowly
6. Hold brake pedal on to maintain pedal pressure, and
NOTE: Do not release foo t peda l before bleeder
screw is t ight or air may b e d rawn in to ma ster
cylinder.
7. Repeat procedure until clean fluid appears in bleeder
8. Tighten bleeder screw securely and remove bleeder
9. Repeat procedure Ste ps 5 - 8 fo r the r emaining
10. Add brake fluid to MAX level inside reservoir.
Remove
Cover
11. Install master cylinder reservoir cover.
12. Field te st ma chine at low spe ed before p utting in to
13. Check brake system for fluid leaks.
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
pressure builds and holds.
open bleeder screw. Close bleeder screw and release
foot pedal.
hose and all air ha s be en purged. Add fluid as
necessary to maintain level in reservoir.
CAUTION
Maintain at least 1/2"(1.27 cm) of brake fluid in
the reservoir to prevent air from
entering the master cylinder.
hose. Torque bleeder screw to 47 in. lbs. (5.3 Nm).
calipers.
Master Cylinder Fluid Level
Between the MIN an d MAX lin e shown on the
reservoir.
service. Check fo r pr oper br aking action and pedal
reserve. With p edal fir mly app lied, pe dal r eserve
should be no less than 1/2"(1.3 cm).
BRAKES
pump fo ot pe dal u ntil
9.7
9

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