TM 9-2330-227-14&P
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. ALL LIGHTS DO NOT WORK, EARLY M146 - CONTINUED
Using multimeter set to read voltage, put red probe on one contact
Step 5.
for outside receptacle and black probe on the other.
If multimeter measurement is not approximately 110-Vac, replace
Unplug power source. Using multimeter set to read continuity, put
Step 6.
red probe on one end of wire leading from left side of connector
receptacle to left main circuit breaker and black probe on other end.
If multimeter reads no continuity, notify Direct
Support Maintenance.
Repeat step 6 for wire leading from right side of connector receptacle
Step 7.
to right main circuit breaker.
Step 8.
of left main circuit breaker and black probe on the other.
If multimeter reads no continuity, replace circuit breaker
Repeat step 8 for right main circuit breaker.
Step 9.
Repeat step 8 for branch circuit breaker number 1.
Step 10.
Using multimeter set to read continuity, put red probe on one end
Step 11.
of wire leading from right main circuit breaker to number 1 breaker
in branch circuit breaker box and black probe on the other end.
If multimeter reads no continuity, notify Direct Support
Maintenance.
Using multimeter set to read continuity, put red probe on one end
Step 12.
of wire leading from number 1 circuit breaker to front blackout
switch and black probe on the other end.
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