TM 9-2330-213-14&P
Table 3-1. Operator/Crew Troubleshooting (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11O-VOLT ELECTRICAL SYSTEM (M448)
NO POWER.
3.
Step 1.
Check auxiliary power cable for loose connection.
Step 2.
Check if circuit breakers in 110-volt control box are tripped (para 2-15).
4.
CIRCUIT BREAKER TRIPS.
Check for power overload.
Unplug excess power equipment. Reset circuit breaker (para 2-15).
BRAKES
5.
BRAKES DO NOT ENGAGE.
Step 1.
Check for closed air valve on towing vehicle.
Open air valve. Refer to towing vehicle technical manual for instructions.
Step 2.
Check for brake fluid leaks.
Open air valves. If brake fluid is leaking, notify unit maintenance.
6.
BRAKES DO NOT RELEASE.
NOTE
All models have two air hoses except for M103A1 and M105A1. These models have
one air hose.
Check for loose air hose(s).
Step 1.
Ensure that air valves on towing vehicle are open.
Step 20
Open air valves. Refer to towing vehicle technical manual for instructions.