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 121 of 1116

TM 9-2330-330-14&P

0014 00-1

FUEL SYSTEM TROUBLESHOOTING

0014 00

THIS WP COVERS:

Fuel System Troubleshooting

INITIAL SETUP:

Maintenance Level

References

Operator/Crew

WP 0006 00

WP 0040 00

WP 0007 00

WP 0041 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 FUEL

SERVICING OPERATION

1.

Verify fuel in tank.

If tank has fuel, go to step 2. If

tank has no fuel, fill tanker. Verify

problem is solved.

2.

Verify all valves are set per

fuel operations schematic

on tool box lid (refer to

WP 0007 00).

3.

Check pump strainer for

debris or dirt clogging inlet.

4.

Check for debris or dirt in

nozzle screen of quick

coupling.

5.

Verify emergency valve A

control handle is in open

position.

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.

Clean strainer per WP 0041 00.

Verify problem is solved. If

screen was not clogged, go to

step 4.

If dirt or debris are present in

nozzle screen, clean screen per

WP 0041 00. Verify problem is

solved. If dirt and debris are not

present, go to step 5.

If valve is not in the open

position, open valve. Verify

problem is solved. If valve is

already open, notify

Organizational maintenance that

further troubleshooting is

required.