Table 2. Fuel System Troubleshooting Procedures - continued

TM 9-2320-361-24-1

0008 00

MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)

Table 2. Fuel System Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2. LOW FUEL SUPPLY AT 1. Check fuel injection pump timing

If fuel injection pump timing to

to engine (WP 0069 00).

engine is incorrect, adjust to

INJECTOR NOZZLES

specifications (WP 0069 00).

WARNING

Ensure fuel shutoff valve is off and

remove throttle cable before

cranking engine. Failure to do so

may result in injury to personnel.

2. Check fuel injection pump internal

timing.

a. Ensure fuel shutoff valve is off.

b. Remove radiator (WP 0077 00).

c. Slowly rotate crankshaft in

clockwise direction

(TM 9-2815-210-34-1). Stop

crankshaft rotation when correct

timing mark on crankshaft

damper is

2 in. (560.8 mm) before engine

timing pointer.

d. Place fuel shutoff cable in RUN

position and throttle lever in

FUEL LOAD position.

e. Remove plug from hydraulic head

delivery valve.

f. Remove valve spring and install

plug in delivery line.

g. Remove No.1 injector fuel

delivery line from No.1 injector.

h. Remove timing cover located on

fuel injector advance unit

(WP 0069 00).

i. Operate in-tank fuel pump.

j. Slowly turn engine crankshaft in

If no fuel flows or fuel continues to

clockwise direction. Fuel flow

flow to No. 1 injector line when

should be evident from No. 1

advance unit hub timing mark is

injector fuel delivery line until

1/16 in. (1.6 mm) from advance unit

damper timing mark aligns with

timing pointer replace fuel injection

engine timing pointer.

pump (WP 0069 00).

Perform WP 0008 00, table 2,

Replace defective components.

3. FUEL INJECTORS

malfunction 1, test 1.

INOPERATIVE

0008 00-16