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 147 of 1116

TM 9-2330-330-14&P

0023 00-5

ENGINE TROUBLESHOOTING—Continued

0023 00

Table 1. Troubleshooting Procedures—Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

5.

HIGH OIL PRESSURE IS

INDICATED ON GAGE

—

Continued

6.

ENGINE MISFIRES

UNDER HEAVY LOAD

2.

Check to see that engine

oil is the proper grade.

3.

Check for defective oil

pressure gage.

4.

Check for plugged or

restricted oil cooler or

hoses.

1.

Check for restricted air

passages or red band in

air restriction indicator.

2.

Check for dirty,

contaminated, or wrong

grade of fuel.

3.

Check fuel lines for leaks.

If grade of engine oil is not

proper, drain and replace oil with

correct grade (refer to WP 0044

00). Verify problem is solved. If

oil grade was correct, go to

step 3.

If gage is defective, replace gage

per WP 0120 00. Verify problem

is solved. If gage is not defective,

go to step 4.

If hoses/oil cooler are plugged or

restricted, notify Direct Support

maintenance.

If air passages are restricted,

clear restricted passages and/or

replace air filter element (refer to

WP 0039 00 and WP 0113 00).

Verify problem is solved. If

engine still misfires, go to step 2.

If fuel is dirty, drain and remove

fuel tank (refer to WP 0108 00)

and fuel lines and replace and

refill tank with clean fuel.

Replace fuel filter (refer to WP

0109 00). Verify problem is

solved. If fuel was okay, go to

step 3.

If fuel lines are leaking/damaged,

tighten all connections and

repair/replace any damaged fuel

lines (refer to WP 0109 00).

Verify problem is solved. If fuel

lines still leak, notify Direct

Support maintenance.