TM 9-2350-256-20-1
0084 00
Troubleshooting Procedure
B.O. Drive Condition
Symptom
B.O. drive lights malfunctioning.
Malfunction
B.O. drive lights fail to operate. Do steps 1 thru 11.
CORRECTIVE ACTION
WARNING
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct
short may result in instant heating of tools, damage to equipment, and injury or death to personnel.
1.
Loosen four screws (1) and remove cover (2) of left hand headlight assembly. Remove lamp and place
red lead of multimeter in socket and black lead to ground. Turn MASTER switch ON, press B.O.
DRIVE key and ENTER key on main light switch, and check for voltage. Turn MASTER and B.O.
SELECTOR switches OFF. If voltage is present, replace bulb (see WP 0175 00). If voltage is not
present, go to step 2.
0084 00-2
