TM 5-5420-202-10
0042
OPERATOR MAINTENANCE
VOLTAGE REGULATOR TROUBLESHOOTING PROCEDURES
INITIAL SETUP:
References
WP 0015
References (cont.)
WP 0063
Table 1. Voltage Regulator.
SYMPTOM
MALFUNCTION
CORRECTIVE ACTION
Battery-generator indicator
reads in yellow or red when
engine is running.
BATTERY-
GENERATOR
INDICATOR
POINTER IS
IN YELLOW
OR LEFT RED
WHEN ENGINE IS
RUNNING.
STEP 1. Increase engine speed to 1,600 RPM and
watch for pointer to move toward green.
STEP 2. If pointer moves to green, continue operation
and notify f eld maintenance.
STEP 3. If pointer does not move to green,
stop engine. Refer to WP 0015 and notify f eld
maintenance.
Battery-generator indicator
reads in yellow or red when
engine is running.
BATTERY-
GENERATOR
INDICATOR
POINTER IS
IN YELLOW
OR LEFT RED
WHEN ENGINE IS
RUNNING.
WARNING
Overcharged batteries could explode.
If battery-generator indicator is
showing in bright red, immediately
stop engine. Failure to comply may
result in personnel injury or death.
STEP 1. Check batteries by touching battery case to
see if they are hot. Refer to WP 0063.
STEP 2. If batteries are hot, stop engine and notify
f eld maintenance.
ENDOFWORKPACKAGE
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