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 TM 9-2330-329-14&P
BRAKE SYSTEM TROUBLESHOOTING--Continued
0013 00
Table 1. Troubleshooting Procedures--Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
NO BRAKES OR BRAKES 1.
Apply prime mover service
Open shut-off valves. If valves
ARE WEAK
brakes. Check position of
are already open, go to step 2.
shut-off valves on prime
mover.
NOTE
Some prime movers may
not be equipped with shut-
off valves (refer to
applicable prime mover
TM).
2.
Check airbrake system for
If no damage or leaks are
leaks or damage.
detected, notify Organizational
maintenance that further
troubleshooting is required. If
damage is detected, notify
Organizational maintenance.
3.
BRAKE APPLICATION OR Set parking brake of prime
If no damage or leaks are
RELEASE IS SLOW
mover (refer to applicable prime
detected, notify Organizational
mover TM). Check to see if
maintenance that further
airbrake system is leaking or
troubleshooting is required. If
damaged.
damage is detected, notify
Organizational maintenance.
4.
BRAKES GRAB
Set parking brake of prime
Open air reservoir, drain valve,
mover (refer to applicable prime
and drain any accumulated
mover TM). Check semitrailer air
moisture from valve. If no
reservoir for moisture.
moisture is present, notify
Organizational maintenance that
further troubleshooting is
required.
END OF TASK
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