2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 317Get this manual
FRONT PAD REMOVAL
1Elevate and support front of machineCAUTION: Use care when supporting vehicle so that it does not tip or fallSevere injury may occur if machine tips or falls2Remove the front wheelLoosen pad adjuster screw 2-3 turns3Remove caliper from mounting bracket
4Push caliper piston into caliper bore slowly using C-clamp or locking pliers with pads installedNOTE:Brake fluid will be forced through compensating port into master cylinder fluid reservoir when piston is pushed back into caliperRemove excess fluid from reservoir as required