FUEL PUMP ASSEMBLIES
This task covers:
Tool Set, General (Item 1, Appendix B)
Shop Equipment, Electrical, Repair (Item 2, Appendix B)
Rag, Wiping (Item 15, Appendix F)
Solvent P-D-680 (Item 14, Appendix F)
MIL-S-7916 (Item 21, Appendix F)
Fuel filter removed from water heater. See paragraph 4-19.
a. Remove two hex head screws (1) and two lockwashers (2) securing fuel pump (3) to shutter assembly (4).
b. Loosen setsrews (5) on coupling (6) and remove fuel pump (3).
c. Remove elbow (7), plug (8), and elbow (9) from fuel pump (3).
d. Remove pipe plugs from replacement pump and install on defective pump to protect it from dirt and foreign
e. Install bypass plug for proper operation with two pipe system.