Fluid Replacement/Bleeding Procedure - Polaris Sportsman 400 Service Manual

FLUID REPLACEMENT/BLEEDING PROCEDURE

NOTE: When bleeding the brakes or replacing the fluid always start with the caliper farthest from the 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.
BRAKE BLEEDING - FLUID CHANGE
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
reservoir.
3. Inspect vent slots (A) in cover and remove any
debris or blockage.
4. If changing fluid, remove old fluid from reservoir
with a Mity Vac™ pump or similar tool.
NOTE: Do not remove brake lever when reservoir fluid
level is low.
Mity Vac™ PN 2870975
5. Add brake fluid to the indicated MAX level inside
reservoir.
Polaris DOT 3 Brake Fluid
PN 2870990
6. Begin bleeding procedure with the caliper that is
farthest from the master cylinder. Install a box end
wrench on caliper bleeder screw. Attach a clean,
clear hose to fitting and place the other end in a
clean container. Be sure the hose fits tightly on
fitting.
NOTE:Fluid may be forced from supply port (B) when
brake lever is pumped. Place diaphragm (C) in reser-
voir to prevent spills. Do not install cover.
- projex@inbox.lv -
DH Caliper
Forward
Hand brake bleeder screw
BRAKES
C
A
D
MAX
Hand Brake Line
Auxiliary brake bleeder screw
Sight
Glass
B
Aux. Brake
Line
9.7