TM 5-3805-262-342-11. SERVICE BRAKE SYSTEM TROUBLESHOOTINGMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. BRAKE CALIPER PISTON STICKING.Disassemble brake caliper (page 3-426).Check pistons for scoring, pitting, or other damage.a. Use fine abrasive cloth to remove scoring or pitting. Replacepistons if scoring or pitting cannot be removed.b.If pistons are okay, check piston bores in body for scoring orpitting. Use fine abrasive cloth to make piston bores smooth andround. If this can-t be done, replace brake caliper.2. BRAKE CALIPER LEAKING BRAKE FLUID.Disassemble brake caliper (page 3-426).Check wipers, piston rings, and O-rings for wear or damage.a. Replace wipers, piston rings, and O-rings if damaged3-429) .b. If wipers, piston rings, and O-rings are okay, checkplugs, piston caps, and plugs for damage. Replace as(page 3-429).3. BRAKE DISK SCORED OR GROOVED.Replace brake disk (page 3-366 or 3-393).(pagepistonnecessary2-110
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