TM 9-2330-251-14&P
Table 4-2. Organizational Troubleshooting (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Check continuity between edge of lamp socket and trailer frame.
If no continuity exists, remove and clean mating surfaces.
Disconnect chassis wiring harness from intervehicular cable. Have assistant operate towing
Step 4.
vehicle lights. Check voltage in affected lines of intervehicular cable.
If 24 volts are present in affected lines, replace chassis wiring harness (para 4-21).
Disconnect intervehicular cable from towing vehicle receptacle. Have assistant operate
Step 5.
towing vehicle lights. Check voltage at towing vehicle receptacle.
If voltage is present at all sockets of towing vehicle receptacle, replace intervehicular
If voltage is not present at all sockets of towing vehicle receptacle, refer to applicable
towing vehicle maintenance manual.
BRAKES
BRAKES WILL NOT RELEASE.
3.
Check for binding or damaged handbrake cable.
Step 1.
Step 2.
Check for improperly adjusted brakes.
Check for separation of brakeshoe and lining.
Step 3.
4.
HANDBRAKE WILL NOT HOLD.
Check for binding handbrake cable or linkage.
Step 1.
Check for improperly adjusted handbrake lever.
Step 2.
Check for improperly adjusted brakes.
Step 3.
Check for worn brakeshoe linings.
Step 4.
If brakeshoe lining thickness is 1/8 in. (3.2 mm) or less, replace brakeshoes (para 4-30
or 4-31).
4-7