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 145 of 1116

TM 9-2330-330-14&P

0023 00-3

ENGINE TROUBLESHOOTING—Continued

0023 00

Table 1. Troubleshooting Procedures—Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2.

ENGINE TURNS OVER

BUT FAILS TO START

—

Continued

3.

ENGINE IS HARD TO

START OR HAS LOW

POWER

4.

Check condition of fuel

filter.

5.

Check engine for high

operating temperature.

6.

Check for restricted air

passages or red band in

air restriction indicator

(refer to WP 0112 00).

7.

Check for defective glow

plugs.

1.

Check to see if engine oil

is proper grade for ambient

temperature.

2.

Check for dirty,

contaminated, or wrong

grade of fuel.

If fuel filter is clogged, replace

fuel filter (refer to WP 0109 00).

Verify problem is solved. If

condition of fuel filter was okay,

go to step 5.

If engine is hot, allow 3–5

minutes to cool before

attempting restart. Verify problem

is solved. If engine will not start

after cooling, go to step 6.

If air passages are restricted,

clear restricted passages and/or

replace air element (refer to WP

0039 00 and WP 0113 00).

Verify problem is solved. If air

passages are okay, go to step 7.

If glow plugs are defective,

replace glow plugs (refer to WP

0103 00). Verify problem is

solved. If glow plugs were okay,

notify Direct Support

maintenance that further

troubleshooting is required.

Drain oil and refill with proper

grade oil (refer to WP 0044 00).

Verify problem is solved. If oil

was okay, 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.