TM 5-3820-276-10-2
OPERATOR MAINTENANCE
HEADLIGHTS DO NOT OPERATE - WATER WELL DRILLING RIG (WWDR)
INITIAL SETUP:
Equipment Condition
Engine off (Volume 1, WP 0012)
TROUBLESHOOTING PROCEDURE
HEADLIGHTS DO NOT OPERATE - WWDR
SYMPTOM
One or more headlights do not operate.
MALFUNCTION
Bulb blown and/or circuit faulty.
CORRECTIVE ACTION
1.
Position ignition switch to On position. DO NOT START ENGINE (Figure 1).
OFF
ON
IGNITION
SWITCH
WWDS00497
Figure 1.
Ignition Switch.