TM-9-2330-330-14-P

SEMITRAILER, FUEL TANKER: 5000-GALLON, FUEL-DISPENSING, AUTOMOTIVE, M969A3

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

NOVEMBER 2005

TM-9-2330-330-14-P - Page 122 of 1116

TM 9-2330-330-14&P

0014 00-2

FUEL SYSTEM TROUBLESHOOTING

0014 00

Table 1. Troubleshooting Procedures—Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2.

FUEL DOES NOT FLOW

DURING ANY FILTERED

FUELING OPERATION

1.

Verify fuel in tank.

If tank has fuel, go to step 2. If

tank has no fuel, fill tank per WP

0007 00. Verify problem is

solved.

2.

Verify all valves are set per

fuel operations schematic.

3.

Open N valve on sump of

filter/separator and drain

accumulated water per WP

0040 00.

4.

Check reading of

filter/separator pressure

gage on engine control

panel per WP 0040 00.

5.

Check for improperly

installed fuel dispensing

nozzle.

6.

Check for dirt or debris in

nozzle screen of quick

coupling.

Set valves per schematic on tool

box lid (refer to WP 0007 00). If

valves are already set per fuel

operations schematic, go to

step 3

If water drains, verify problem is

solved. If no water drains, go to

step 4.

If reading is in red zone (18–25

psi) of gage, notify

Organizational maintenance to

service filter/separator. If reading

is normal, go to step 5.

If nozzle is improperly installed,

reinstall nozzle correctly per WP

0041 00. Verify problem is

solved. If nozzle is satisfactory,

go to step 6.

If nozzle screen is clogged, clean

screen per WP 0041 00. Verify

problem is solved. If nozzle is

clean, notify Organizational

maintenance that further

troubleshooting is required.