TM 5-4220-233-14
Table 3-1. Operator/Crew Troubleshooting (Continued).
MALFUNCTION/SYMPTOM
PROBABLE CAUSE
TEST OR INSPECTION/CORRECTIVE ACTION
2.
ONE OR MORE LAMPS (BUT NOT ALL) FAIL TO LIGHT.
Loose plug connector at affected light assemblies.
Connect loose plug connector.
BRAKES
3.
SERVICE BRAKES DO NOT ENGAGE WHEN SURGE ACTUATOR IS ENGAGED.
Brake fluid level is low in master cylinder at surge actuator.
Check level and fill to within 1/2 in. (13 mm.) of the top (paragraph 3-6).
4.
WHEELS DO NOT ROLL WHEN SERVICING UNIT IS PUL LED FORWARD.
Parking brake hand lever is on.
Position parking brake lever to off.
Adjustment on hand lever is too tight.
Readjust hand brake lever as required (paragraph 3-4).
5.
PARKING BRAKE DOES NOT ENGAGE WHEN HAND LEVER IS APPLIED.
Adjustment on hand lever is too loose.
Readjust hand brake lever as required (paragraph 3-4).
WHEEL AND TIRE ASSEMBLY
6.
SERVICING UNIT HANDLES POORLY IN TOWING MODE.
Inflation of tires low or unequal.
Properly inflate tires to 60 psi.
3-6
