Arctic Cat 350 2011 Service Manual page 168

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NOTE: The O-ring is used for shipping purposes
and provides no function in operation.
6. Cover the piston end of the housing with a shop
towel; then keeping fingers clear of piston travel,
apply compressed air to the fluid port to blow the
piston free of the housing. Account for two seal
rings in the housing.
! WARNING
Make sure to hold the towel firmly in place or the pis-
ton could be ejected from the housing causing injury.
7. Using an appropriate seal removal tool, carefully
remove the seals from the brake caliper housing;
then remove four O-rings from the brake caliper
housing noting the location of the different sized
O-rings. Discard all seals, O-rings, and crush
washers.
6-18
PR239B
PR713A
PR715
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Manual
Table of Contents
CLEANING AND INSPECTING
1. Clean all caliper components (except the brake
pads) with DOT 4 brake fluid. Do not wipe dry.
2. Inspect the brake pads for damage and excessive
wear.
NOTE: For measuring brake pads, see Periodic
Maintenance.
3. Inspect the brake caliper housings for scoring in
the piston bores, chipped seal ring grooves, or
signs of corrosion or discoloration.
4. Inspect the piston surface for scoring, discolor-
ation, or evidence of binding or galling.
5. Inspect the caliper holder for wear or bending.
ASSEMBLING/INSTALLING
1. Install new seals into the brake caliper housing and
apply a liberal amount of DOT 4 brake fluid to the
cylinder bore of the housing, seals, and brake pis-
ton.
CAUTION
Make sure the seals are properly in place and did not
twist or roll during installation.
2. Press the piston into the caliper housing using
hand pressure only. Completely seat the piston;
then wipe off any excessive brake fluid.
Section
Table of Contents
PR715
PR717A