TROUBLESHOOTING PROCEDURES - TM-5-2410-233-230049

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES

0006 00

Table 1. Engine Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ENGINE

1. See Electrical

1. Engine Fails to Crank.

Trouble-

shooting, Table 6.

2. Check engine for seizure:

a. Try to turn crankshaft

manually.

b. If crankshaft will not Replace engine assembly (0019

rotate, engine has internal 00).

damage.

1. Check with operator to 1. If incorrect fuel was used,

Engine Cranks But Fails to Start.

determine if fuel tank was

perform the following:

filled with correct fuel.

a. Drain fuel system.

b. Replace fuel filters (WP

0055 00 and 0056 00).

c. Fill fuel tank with correct

fuel (TM 5-2410-233-10).

d. Prime fuel system (WP

0038 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

0055 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. Check fuel pressure gauge If indicator is in the red, replace

indicator.

fuel filters (WP 0055 00 and WP

0056 00).

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