Page 565 - Manual Oficina Polaris Sportsman 570 2014 a 2016

BRAKE SYSTEM

BRAKE BLEEDING / FLUID CHANGE 5. Begin bleeding procedure with the caliper that is
farthest from the master cylinder. Install a box end
NOTE wrench on caliper bleeder screw. Attach a clean,
clear hose to fitting and place the other end in a
When bleeding the brakes or replacing the fluid, always
start with the caliper farthest from the master cylinder. clean container. Be sure the hose fits tightly on
fitting.

CAUTION
Always wear safety glasses during these procedures.
Brake fluid will damage finished surfaces. Do not allow
brake fluid to come in contact with finished surfaces.

NOTE
Do not remove brake lever when reservoir fluid level is
low.

This procedure should be used to change fluid or bleed
brakes during regular maintenance.
1. Clean reservoir cover thoroughly.
2. Remove screws, cover and diaphragm (C) from NOTE
reservoir.
Fluid may be forced from supply port (B) when brake
3. Inspect vent slots (A) in cover and remove any debris lever is pumped. Place diaphragm (C) in reservoir to
or blockage. prevent spills. Do not install cover. See Illustration
above.
6. Slowly pump the brake lever until pressure builds
and holds.
7. While maintaining lever pressure, open bleeder
screw. Close bleeder screw and release brake lever.

NOTE
Do not release lever before bleeder screw is tight or air
may be drawn into caliper.

8. Repeat procedure until clean fluid appears in bleeder 9
4. If changing fluid, remove old fluid from reservoir with hose and all air has been purged. Add fluid as
a Mity Vac® pump or similar tool. necessary to maintain level in reservoir.
Mity Vac® Pressure Test Tool: 2870975 IMPORTANT
Maintain at least 1/2", (1.27 cm) of brake fluid in the
reservoir to prevent air from entering the master
cylinder.

9. Tighten bleeder screw securely and remove bleeder
hose. Torque the bleeder screw to specification.

TORQUE
Bleeder Screw:
48 in-lbs (5.4 Nm)

10. Repeat procedure Steps 5-9 for the remaining
caliper(s).

9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 9.7
© Copyright Polaris Industries Inc.