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Trouble symptom and probable cause Checking and remedy a. Big clearance between brake pad and drum b. Oil coat on brake pad or drum drop out a. Adjust the clearance until both its upper and lower is Parking brake failure shooting 70 HFC1020 series trucks Running brake trouble shooting Trouble symptom and probable cause Checking and remedy 2. Bad brake effect a. Big pedal free play b. Air in brake system, oil leaking from the joints, or jammed brake tube c. Improper clearance between brake pad and drum a. Adjust until it is 5~8mm c. Adjust the wheel cylinder piston 1. Running brake failure a. Crack of brake hose or tube a. Repair or replace 71 |