Engine Starts But Fails to Keep Running.

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 1. Engine Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Check air cleaner for air Clean air inlet and service air

Engine Starts But Fails to Keep Running.

restriction.

cleaner filter elements (WP 0042

00).

2. Check fuel for water or

contamination.

a. Remove primary fuel filter 1. Drain fuel system.

case. If case is 1/4 full of 2. Replace fuel filters (WP 0055

00 and 0056 00).

water, or if dirt is evident,

3. Fill fuel tank with correct fuel

fuel is contaminated.

(TM 5-2410-233-10).

4. Prime fuel system (WP 0038

00).

b. Disconnect fuel lines 1. Clean lines with compressed

air or sturdy wire. Reconnect

between tank shutoff valve

fuel lines (WP 0050 00).

and primary fuel filter (WP

0049 00) and check for 2. Replace fuel filters (WP 0055

00 and 0056 00).

clogs and obstructions.

3. Prime fuel system (WP 0038

00).

3. Inspect fuel lines and 1. If leak is at a connection,

connections

for

leaks,

tighten connection.

obstructions and damage.

2. Replace damaged fuel lines

(WP 0050 00).

4. Check fuel pressure at gage on Replace gage (WP 0168 00)

filter base. Fuel transfer pump

should

supply

enough

pressure so that gage reads in

green zone at idle.

5. Check for 25 psi (172 kPa) Replace transfer pump (WP 0039

minimum at full load and 30 00).

psi (207 kPa) minimum at

high idle.

7. Check engine low idle speed. Adjust governor low idle RPM

(WP 0053 00).

8. Perform cylinder cutout test Replace nozzle for suspect

(WP 0040 00).

cylinder (WP 0037 00).

9. Check for defective or leaking Replace fuel pump assembly (WP

fuel injection pump(s).

0051 00).

0006 00-4