Caliper Disassembly / Inspection - Polaris MS4000 Service And Owner's Manual

BRAKES
3. Loosen the two brake caliper mounting bolts (B) in equal
increments.
B
4. Remove the mounting bolts from the mount bracket and lift
the parking brake caliper assembly out of the vehicle.

Caliper Disassembly / Inspection

NOTE: The parking brake caliper is replaced as an
assembly. Refer to the "Electronic Parts Catalog"
for information.
5. Remove the two caliper assembly nuts (C) that were
previously loosened during Step 2 of "Caliper Removal".
6. Slide the brake pads and springs from the assembly.
NOTE: Retain the lever and ball bearings for
reassembly.
7. Inspect the brake pads linings for excessive wear. Replace
as needed.
8. Check the three steel balls for any signs of cracking.
Replace as needed.
9. Check ball seats in lever and stationary actuator.
excessively worn, replace parts as needed.
9.12
C
10. Measure the thickness of the rear caliper parking brake
pads. Replace assembly or pads as needed. See illustration
below for proper readings.
Inboard
Outboard
Pad
Pad
Installed Disc to Park Brake
0.375" (0.953 cm)
New Rotor Disc Thickness
If
Inboard pad thickness
New .304" (7.72 mm)
Limit: 0.24" (6.1 mm)
Outboard Pad Thickness
New 0.360" (9.14 mm)
Limit: 0.31" (7.87 mm)
0.150" - 0.164"
(3.81 - 4.16 mm)