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 TM 9-2330-330-14&P
BRAKE SYSTEM TROUBLESHOOTING
THIS WP COVERS:
Brake System Troubleshooting
INITIAL SETUP:
Maintenance Level
Tools and Special Tools
Organizational
Tool kit, general mechanic's (item 4, WP 0171 00)
References
Applicable prime mover TM
To troubleshoot the M969A3 brake system, perform the test/inspections and corrective actions provided
in Table 1.
Table 1. Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
BRAKES WILL NOT
1.
Check for leaking air brake Push in parking brake release
RELEASE/BRAKES
components.
knob. If air leak is detected,
DRAG (ONE OR MORE
replace damaged brake system
BRAKE DRUMS ARE
component (refer to WP 0076
RUNNING HOT)
to step 2.
NOTE
Wheel must be raised prior to
performing step 2.
2.
Spin wheels to see if
If brakes have released, apply
brakes are released.
and release service brakes to
verify brakes are working. If
brakes have not released, go to
step 3.
3.
Cage each air brake
Repair/replace faulty brake
chamber to see which
brake(s) have not released components per WP 0066
(refer to WP 0078 00).
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