This task covers:
General mechanic's tool kit:
Hood raised and secured (TM 9-2320-280-10).
Battery ground cable disconnected
General Safety Instructions
Do not perform this procedure near fire,
flames, or sparks.
Diesel fuel is highly flammable. Do not perform this procedure
near fire, flames, or sparks. Severe injury or death will result.
Cover or plug all hoses, connections, and openings immediately
after disconnection or component removal to prevent
Prior to removal, tag leads for installation.
Fuel pump body must be thoroughly cleaned before disconnecting
any attaching components to prevent foreign particles from
Working area should be clean, well ventilated, and free from
blowing dirt and dust.
Loosen clamp (2) and disconnect fuel drain back hose (1) from fuel injection pump (6).
Disconnect leads 54A (3) and 569B (5) at fuel injection pump (6).
Clean exterior of fuel injection pump (6) in accordance with para. 2-13.
Remove three screws (9), lockwashers (10), four washers (11), and ground strap (12) from fuel
Remove cover (4) and gasket (13) from fuel injection pump housing (14). Discard gasket (13).
Perform step 6 only if fuel injection pump cover is being replaced.
Remove fuel return line check valve (7) and O-ring (8) from cover (4). Discard O-ring (8).
Inspect fuel return line check valve (7) for damage. Replace if damaged.
Perform step 1 only if check valve was removed.
Install O-ring (8) and fuel return line check valve (7) in cover (4).