TM 9-2350-256-20-1
0085 00
Troubleshooting Procedure
Rigger's Lights and Front Signal Light
Symptom
Rigger's light or front signal light malfunctioning.
Malfunction
One or both rigger's service lamp fails to operate. Do steps 1 thru 10.
Front signal light and/or indicator light fails to operate, but indicator lamp operates. Do steps 11 thru 19.
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). Remove bulb (3). Place red lead of multimeter in socket
and black lead to ground. Turn MASTER switch On, press STOP LIGHT key and ENTER key on
main light switch and set rigger's B.O SELECTOR to SERVICE position, and check for voltage. Turn
MASTER and B.O. SELECTOR switches OFF. If voltage is present, replace lamp (see WP 0176 00).
If voltage is not present, go to step 2.
0085 00-3
