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 TM 9-2330-330-14&P
BRAKE SYSTEM TROUBLESHOOTING
THIS WP COVERS:
Brake System Troubleshooting
INITIAL SETUP:
Maintenance Level
References
Operator/Crew
To troubleshoot the M969A3 brake system, perform the test/inspections and corrective actions provided
in Table 1.
Table 1. Troubleshooting Procedures.
TEST OR INSPECTION
CORRECTIVE ACTION
MALFUNCTION
1.
BRAKES WILL NOT
Open shut-off valves. If valves
1.
Check shut-off valves on
RELEASE
prime mover.
are already open, go to step 2.
NOTE
Some prime movers may not
be equipped with shut-off
valves (refer to applicable
prime mover TM).
2.
Check that service and
If couplings are not connected
emergency couplings are
properly, connect couplings
connected properly to
(refer to WP 0007 00). Verify
M969A3 (refer to WP 0007
problem is solved. If couplings
were connected properly, go to
step 3.
3.
Check air pressure gages
in prime mover (refer to
If prime mover air pressure
applicable prime mover
gages do not indicate 90 psi (621
TM).
kPa), notify Organizational
maintenance. If air pressure
gages indicate 90 psi (621 kPa)
or higher but brakes still will not
release, notify Organizational
maintenance.
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