1 16-7. FUEL INJECTION PUMP COVER REPLACEMENT
This task covers:
automotive (Appendix B, Item 1)
Retaining tool (Appendix B, Item 48)
Gasket (Appendix G, Item 83)
O-ring (Appendix G, Item 258)
Three lockwashers (Appendix G, Item 188)
l Hood raised and secured (TM 9-2320-387-10).
l Battery ground cables disconnected (para. 4-68).
General Safety Instructions
Do not perform this procedure near fire, flames, or
Diesel fuel is highly flammable. Do not perform this procedure near fire,
flames, or sparks. Severe injury or death may result.
Cover or plug all hoses, connections, and openings immediately after disconnec-
tion to prevent contamination. Remove all covers or plugs prior to connection.
Prior to removal, tag leads for installation.
Loosen clamp (2) and disconnect fuel drainback hose (1) from fuel injection pump (6).
Disconnect leads 54A (3) and 569B (5) at fuel injection pump (6).
Fuel pump body must be thoroughly cleaned before disconnecting any attaching
components to prevent foreign particles from entering pump.
Working area should be clean, well-ventilated, and free from blowing dirt
Clean exterior of fuel injection pump (6) in accordance with para. 2-14.
Remove three screws (9), lockwashers (101, four washers (111, and ground strap (12) from cover (4).
Discard lockwashers (10).
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). Replace if damaged.