TM 9-2330-384-14&P
4-13. TROUBLESHOOTING SYMPTOM INDEX (Con't).
Troubleshooting
Procedure
Page
WHEELS AND TIRES
Dual Tires Rubbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss of Air Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Noisy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uneven Wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wobbly Tire and Rim Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4-2. Unit Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
1.
SINGLE LIGHT DOES NOT OPERATE
WARNING
When troubleshooting an electrical malfunction, ALWAYS disconnect
inter-vehicular cable from semitrailer. Failure to follow this warning may
create a spark and explosion, resulting in serious injury or death to
personnel.
NOTE
Refer to paragraph 4-30 to determine routing of electrical wires and
location of electrical components.
To ensure an accurate reading, probes of multimeter must contact bare
wire and unpainted metal surfaces.
Remove lamp from light socket (see paragraph 4-18). Check lamp
Step 1.
If there is no continuity, replace lamp (see paragraph 4-18).
Check continuity between ground side of light socket and frame. DO NOT remove
Step 2.
light housing while making this check (see paragraphs 4-20, 4-21, 4-24 through
4-26, or 4-28).
If there is continuity, go to step 3.
If there is no continuity, check light for damaged or corroded housing. Check
for loose or corroded screws mounting light to semitrailer. If screws are loose,
tighten. If any component is damaged or corroded, replace (see paragraphs
4-14
