TEST OR INSPECTION
BRAKES - CONT
SLOW BRAKE APPLICATION OR SLOW RELEASE
Check for low air pressure (leakage at connections, air lines, or valves).
a. If air lines/connections are leaking, repair or replace as needed (para. 4-48 and 4-49).
Check for restrictions in air lines and hoses.
Check air brake chamber operation.
a. If a single air brake chamber does not operate properly, remove and replace defective chamber
b. If a set of air brake chambers does not operate properly, remove and replace a relay valve
Check for grease on brake linings.
If grease is on linings, replace brake shoes (para. 4-43) and replace inner bearing oil seal
It brake linings are worn or loose, replace brake shoes (para. 4-43).
Check for excessively scored, cracked, or out-of-round brake drum (para. 4-10, item 3).
If brake drum is defective or if above steps do not correct malfunction, notify DS maintenance.