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 143 of 1116

TM 9-2330-330-14&P

0023 00-1

ENGINE TROUBLESHOOTING

0023 00

THIS WP COVERS:

Engine Troubleshooting

INITIAL SETUP:

Maintenance Level

Tools and Special Tools

Organizational

Tool kit, general mechanic’s (item 4, WP 0171 00)

Personnel Required

References

Two

WP 0039 00

WP 0108 00

WP 0113 00

WP 0044 00

WP 0109 00

WP 0119 00

WP 0056 00

WP 0112 00

WP 0120 00

WP 0065 00

WP 0114 00

WP 0151 00

WP 0103 00

WP 0118 00

WP 0152 00

WP 0107 00

To troubleshoot the engine, perform the test/inspections and corrective actions provided in Table 1.

Table 1. Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1.

ENGINE STARTER WILL

NOT RUN

1.

Check each battery for

output (12–14 V dc).

If battery voltage is less than 12–

14 V dc, replace battery (refer to

WP 0056 00). Verify problem is

solved. If voltage is correct, go to

step 2.

2.

Inspect battery cables for

broken or frayed cables

and loose or corroded

terminals.

3.

Turn engine run switch ON

and check engine start

switch at both terminals for

24–28 V dc when engine

start switch is placed in

START position.

If cables are broken or frayed,

repair/replace cables (refer to

WP 0056 00) and clean

terminals. Verify problem is

solved. If cables are okay, go to

step 3.

If 24–28 V dc are present at both

terminals, go to step 4. If 24–28

V dc is not present, replace

engine start switch (refer to WP

0120 00). Verify problem is

solved.