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 60 of 576
TM 9-2330-227-14&P
OPERATOR TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. ONE OR MORE, BUT NOT ALL, LIGHTS WILL NOT WORK - CONTINUED
Step 4.
Check for broken lead wires or loose connections at inoperative lights.
a. If connections are loose, push together.
b. If lead wires are broken, notify Organizational Maintenance.
Step 5.
Check lens and light assembly for damage at inoperative lights.
a. If lens or light assembly is damaged, notify Organizational
Maintenance.
b. If lights still do not work, notify Organizational Maintenance.
ELECTRICAL SYSTEM - 110-VOLT
3. ALL LIGHTS DO NOT WORK
Step 1.
Check the connection from the power source to the semitrailer.
If cable is not properly connected, connect.
Step 2.
Check the junction boxes to make sure all the circuit breakers are on.
a. If breakers are off, turn on (page 2-8).
b. If breakers are damaged, notify Organizational Maintenance,
Step 3.
Check the light switches to make sure they are on.
a. If switches are off, turn on (page 2-8).
b. If all the lights still do not work, notify Organizational
Maintenance.
4. ONE OR MORE, BUT NOT ALL, LIGHTS WILL NOT WORK
Step 1.
Check the junction boxes to make sure all the circuit breakers are on.
a. If breakers are off, turn on (page 2-8).
b. If breakers are damaged, notify Organizational Maintenance.
3-4
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