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 163 of 1116

TM 9-2330-330-14&P

0029 00-1

FUEL SYSTEM TROUBLESHOOTING

0029 00

THIS WP COVERS:

Fuel System Troubleshooting

INITIAL SETUP:

Maintenance Level

References

Organizational

WP 0007 00

WP 0130 00

WP 0137 00

To troubleshoot the M969A3 fuel system, perform the test/inspections and corrective actions provided in

Table 1.

Table 1. Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1.

FUEL DOES NOT FLOW

DURING ANY FUELING

OPERATIONS

1.

Verify all valves are set per

fuel operations schematic

on tool box lid (refer to

WP 0007 00).

2.

Move handle and observe

valve A lever movement at

valve A under tank (refer to

WP 0130 00).

Set valves per schematic on tool

box lid (refer to WP 0007 00).

Verify problem is solved. If

valves are set per fuel operations

schematic, go to step 2.

If lever movement is observed

and fuel flow starts, problem is

solved. If fuel does not flow,

notify Direct Support

maintenance that further

troubleshooting is required.

2.

FUEL DOES NOT FLOW

DURING ANY FILTERED

FUELING OPERATION

1.

Verify all valves are set per

fuel operations schematic.

Set valves per schematic on tool

box lid (refer to WP 0007 00).

Verify problem is solved. If

valves are set per fuel operations

schematic, go to step 2.

2.

Check filter/separator gage

reading.

If gage reads 17–25 psi (117–

172 kPa) (red zone), replace

clogged fuses (refer to WP 0137

00). Verify problem is solved. If

filter/separator gage reading was

below 17 psi (117 kPa), go to

step 3.