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 TM 9-2330-329-14&P
ALTERNATOR AND CHARGING CIRCUIT TROUBLESHOOTING
THIS WP COVERS:
Alternator and Charging Circuit Troubleshooting
INITIAL SETUP:
Maintenance Level
Tools and Special Tools
Organizational
Tool kit, general mechanic's (item 4, WP 0156 00)
Multimeter (item 2, WP 0156 00)
References
TM 9-6140-200-14
To troubleshoot M967A2 alternator and charging circuit, perform the test/inspections and corrective
actions provided in Table 1.
Table 1. Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
UNDERCHARGED
1.
Check for loose or
Clean battery and clean and
BATTERIES
corroded battery terminals,
tighten battery connections (refer
cables, and connections,
to WP 0053 00). Replace any
and moisture and dirt on
damaged cables (refer to WP
top of batteries.
batteries (refer to
TM 9-6140-200-14). Verify
problem is solved. If battery still
does not hold a charge, go to
step 2.
2.
Look for worn or glazed
Adjust alternator drive belt (refer
pulley or loose belt on
to WP 0110 00) if loose. Replace
alternator.
alternator belt (refer to
or worn. If pulley is worn or
glazed, notify Direct Support
maintenance.
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