Table 4-1. Unit Troubleshooting Chart (cont).
BRAKE SYSTEM (cont).
1. BRAKES DO NOT APPLY/WEAK BRAKES, GRABBING
OR UNEVEN BRAKING ACTION (cont).
Continued from step F
G. Inspect brake assemblies for condition of at-
taching hardware (para 4-37).
ANY HARDWARE MISSING OR DAMAGED?
hardware (para 4-37).
H. Couple dolly set to towing vehicle (para 2-14).
Perform a soapy water air leakage test on all
connections involving air brake system. Leaks
will be evident by bubbles forming in, on, or
around air lines and connection points. If air
bubbles form, remove and reseal these points
or replace air hoses as required. Perform
serviceability and leakage tests on dolly air
DOES SYSTEM PASS TESTS?
per Seciton IX of this chapter.
If troubleshooting has been
completed and brakes still do
not function properly, notify
Direct Support maintenance
END OF TASK