TM-9-2330-356-14

SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1990

TM-9-2330-356-14 - Page 124 of 528

TM 9-2330-356-14

Section Ill. TROUBLESHOOTING

3-4.

General

a.

This section contains troubleshooting informa-

tion for locating and correcting the operating troubles that

may develop in the semitrailers. Each malfunction for an

individual component unit or system is followed by a list of

tests or inspections that will help you determine corrective

actions to take. You should perform the test/inspections

and corrective actions in the order listed in table 3-2.

b.

This manual cannot list all malfunctions that may

occur, nor all tests, inspections, or corrective actions. If a

malfunction is not listed or is not corrected by listed

corrective actions, notify unit maintenance.

NOTE

Before you use this table, ensure that you

have performed all applicable operational

preventive maintenance checks.

Table 3-2. Operator/Crew Troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1 .

ALL LAMPS DO NOT LIGHT.

2.

Step 1.

Step 2.

Step 3.

Step 4.

Check light switch in

ELECTRICAL SYSTEM

towing vehicle for proper setting.

Set light switch to correct position.

Check fuse in towing vehicle.

If fuse is blown, contact unit maintenance.

Check if intervehicular cable is properly plugged into receptacle on semitrailer and towing vehicle.

Pull cable plug out and reinsert tightly in receptacle.

Check for dirty or corroded contacts in receptacle or on plug of intervehicular cable.

a.

Pull cable plugs and check for dirt or corrosion.

b.

Clean plugs and receptacle.

c.

Reinsert plugs into receptacles.

ONE OR MORE LAMPS (BUT NOT ALL) WILL NOT LIGHT.

Step 1.

Check for damaged tail or marker light.

If lights require replacement or repair, notify unit maintenance.

Step 2.

Check for dirty or corroded contacts in receptacle or on plugs of intervehicular cable.

a.

Pull cable plugs and check for dirt or corrosion.

b.

Clean plugs and receptacle.

c.

Reinsert plugs into receptacles.

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