TM-9-2330-227-14-P
SEMITRAILER, VAN: SHOP, 6-TON, SINGLE AXLE, M146
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JUNE 1985
TM-9-2330-227-14-P - Page 105 of 576
TM 9-2330-227-14&P
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. ALL RECEPTACLES DO NOT WORK - CONTINUED
Step 7.
Using multimeter set to read continuity, put red probe on one
contact of left main circuit breaker and black probe on the other.
If multimeter reads no continuity, replace circuit breaker
(page 4-40).
Step 8.
Repeat step 7 for right main circuit breaker.
If receptacles still do not work, wire leading from left
main circuit breaker, to place where wall receptacles splice
in, needs to be replaced. Notify Direct Support Maintenance.
9. ONE OR MORE, BUT NOT ALL RECEPTACLES WILL NOT WORK
Step 1.
Check junction boxes to make sure all circuit breakers are on.
If circuit breakers are off, turn on (page 2-8).
NOT E
If all receptacles are out on one side, do the following steps. If not, go to step 4.
Unplug power source.
Step 2.
Using multimeter set to read continuity, put red probe on one
contact of branch circuit breaker which controls receptacles
and black probe on the other contact.
If multimeter reads no continuity, replace circuit breaker
(page 4-40).
Step 3.
Using multimeter set to read continuity, put red probe on one
end of wire leading from branch circuit breaker which
controls receptacles to the first receptacle and black probe
on the other end.
If multimeter reads no continuity, notify Direct Support
Maintenance.
4-27
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