Polaris A09BA50FA, User Manual

Page: 196 / 256

BRAKES
9.4
BRAKE SYSTEM MAIN COMPONENTS
MASTER CYLINDER
CROSS FITTING
BRAKE SWITCH
RIGHT BRAKE
LEFT BRAKE
CALIPER
CALIPER
TOP VIEW
REAR BRAKE
RESERVOIR
REAR BRAKE
CALIPER
BANJO
BLEED
SCREW
Banjo Fittings: 15 ft.lbs. (21Nm)
Flare Fittings:
12--15 ft.lbs. (16--21 Nm)
Bleed Screws:
25--30 in.lbs. (2.8--3.4 Nm)
BRAKE SYSTEM SERVICE
NOTES
Polaris disc brake systems are light weight, low
maintenance and perform well in the conditions ATVs
routinely encounter. However, there are a few things
to remember when replacing disc brake pads or
performing brake system service to ensure proper
system function and maximum pad service life.
G
Perform a brake burnishing
procedure after installing new pads
to maximize service life.
G
Optional pads are available to suit
conditions in your area. Select a pad
to fit riding style and environment.
G Do not over-fill the master cylinder
fluid reservoir.
G Make sure the brake lever and pedal
returns freely and completely.
G Adjust stop pin on front caliper after
pad service.
G Check and adjust master cylinder
reservoir fluid level after pad service.
G Make sure atmospheric vent on
reservoir is unobstructed.
G Test for brake drag after any brake
system
service and investigate
cause if brake drag is evident.
G Make sure caliper moves freely on
guide pins (where applicable).
G
Inspect caliper piston seals for
foreign material that could prevent
caliper pistons from returning freely.
CAUTION:
Use only DOT 3 brake fluid as an
assembly aid for all procedures described in this chapter to
prevent brake system contamination. DO NOT USE
LUBRICANTS OF ANY KIND FOR ASSEMBLY.
BRAKE NOISE
TROUBLESHOOTING
Dirt or dust buildup on the brake pads and disc is the
most common cause of brake noise (squeal caused
by vibration). If cleaning does not reduce the
occurrence of brake noise, Permatex
t
Disc Brake
Quiet (PN 2872113) can be applied to the back of the
pads. Follow directions on the package. This will
keep pads in contact with caliper piston(s) to reduce
the chance of squeaks caused by dirt or dust. See
table on the next page.