TM 5-3825-229-14&P
Table 3-1. Operator Troubleshooting Table (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
SEMITRAILER ELECTRICAL SYSTEM (cont)
3.
DIM OR FLICKERING LIGHTS
Step 1. Check electrical connectors at light for loose, dirty, or corroded pins.
a.
If connections are tight and clean, go to Step 2.
b.
If pins are loose, tighten.
c.
If connector pins are dirty or corroded, clean pins.
Step 2. Check for defective bulbs.
a.
If bulb(s) are not defective, notify Organizational Maintenance.
b.
If bulb(s) are defective, replace bulb(s).
BRAKES
4.
BRAKE DRUMS OVERHEATING
Notify Organizational Maintenance.
5.
BRAKES DO NOT RELEASE
Step 1. Check that air supply from towing vehicle to trailer is turned on.
a.
If air supply is turned on, go to Step 2.
b.
If air supply is shut off, turn on and try brakes again.
c.
If this fails to correct the problem, continue with troubleshooting.
Step 2. Check air pressure of towing vehicle.
a.
If air pressure is normal, go to Step 3.
b.
If air pressure is low, build up air pressure to normal level and try brakes again.
c.
If air pressure can't be built up to normal, notify Organizational Maintenance.
Step 3. Check air line connections at glad-hands.
a.
If air lines are properly connected, go to Step 4.
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