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 59 of 576
TM 9-2330-227-14&P
OPERATOR TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM - 24-VOLT
1. ALL LIGHTS DO NOT WORK
Step 1.
Step 2.
Step 3.
Turn on truck tractor lights and check their operation. See Truck Tractor
Operator’s Manual.
If truck tractor lights do not work, notify Organizational Maintenance.
Check tractor-to-semitrailer electrical cable for proper connection.
If cable is not properly connected, connect (page 2-19).
Check truck tractor, semitrailer, and cable connectors for bent and broken pins
and dirty and corroded pins and sockets.
a. If pins or sockets are dirty or corroded, clean them (page 3-8).
b. If pins are broken or there is any evidence of damage, notify
Organizational Maintenance.
c. If all lights still do not work, notify Organizational Maintenance.
2. ONE OR MORE, BUT NOT ALL, LIGHTS WILL NOT WORK
Step 1.
Step 2.
Step 3.
Turn on truck tractor lights and check their operation. See Truck Tractor
Operator’s Manual.
If any truck tractor lights do not work, notify Organizational
Maintenance.
Check tractor-to-semitrailer electrical cable for proper connection.
If cable is not properly connected, connect (page 2-19).
Check semitrailer connector receptacle for bent, broken, dirty, or corroded
pins and sockets.
a. If pins or sockets are dirty or corroded, clean them (page 3-8).
b. If pins are broken or there is any evidence of damage, notify
Organizational Maintenance.
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