2011 Polaris Ranger RZR ATV Service Manual, Page 344Get this manual
BRAKES Caliper Disassembly
123Remove brake pad adjustment set screw (K)Push upper pad retainer pin inward and slip brake pads past the edge and remove from the caliperRemove mounting bracket (B) and dust boots (G) and (H)D G
Caliper Inspection
1Inspect caliper body for nicks, scratches or wearMeasure bore size and compare to specificationsReplace if damage is evident or if worn beyond service limit
K Pads EF