2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 197Get this manual
BRAKES Brake Noise Troubleshooting
Possible Cause Dirt, dust, or imbedded material on pads or disc Remedy Spray disc and pads with CRC Brake Kleen or equivalent non-flammable aerosol brake cleanerRemove pads andor disc hub to clean imbedded material from disc or padsAdjust pad stop (front calipers) Check position of controlsswitchesSet to proper level Clean compensating port InspectRepair as necessary Clean piston(s) seal separated by sealsThe hand brake system applies hydraulic pressure to both front calipers and only the outer diameter of the rear caliper pistonsThe auxiliary (foot) brake applies pressure to the inner portion of the rear caliper pistonsBecause the hand and foot brake hydraulic systems are separate, there are also two bleed screws one for the outer fluid chamber (hand brake), and one for the inner fluid chamber (foot brake)The basic procedure for bleeding is the same as outlined in this chapter, however, each system must be bled separatelyHydraulic Auxiliary Brake inspection and adjustment is outlined in Chapter 2NOTE: Top (Uppermost) bleed screw (A) and brake line (A) is for hand brake system Lower screw (B) and brake line (B) is for auxiliary (foot) brake system