TM 9-2330-383-14&P
Section IV. UNIT TROUBLESHOOTING PROCEDURES
4-8. SYMPTOM INDEX
Page
ELECTRICAL SYSTEM
All lamps do not light .................................................... 4-8
One or more lamps (but not all) will not light ............................ 4-9
Dim or flickering lights .................................................. 4-9
BRAKES
All brakes will not release (trailer connected to towing vehicle) ......... 4-9
No brakes or weak breaks ................................................. 4-10
Slow brake application or slow release ................................... 4-11
Grabbing brakes .......................................................... 4-11
Hard pulling (one or more brake drums running hot) ....................... 4-12
AIR SUSPENSION SYSTEM
Improper air bag inflation ............................................... 4-12
TIRES
Excessively worn or scuffed tires or flat spots on tires ................. 4-13
Trailer not tracking ..................................................... 4-13
4-9. UNIT TROUBLESHOOTING TABLE
a. Table 4-1 lists the common malfunctions which you may find during the
operation or maintenance of the HEMAT or its components. You should perform the
b. This manual cannot list all malfunctions that may occur, nor all tests or
inspections and corrective actions. If a malfunction is not listed or it is not
corrected by the listed corrective actions, notify your supervisor.
Table 4-2. Unit Troubleshooting Table
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
1. ALL LAMPS DO NOT LIGHT.
Step 1.
Test intervehicular cable for shorts or open cable.
a.
If cable is defective, replace cable.
b.
If cable is not defective, proceed to step 2.
Change 1