TM 10-3510-220-24
2-39. WATER HEATER FUEL PUMP ASSEMBLY (CONT)
REMOVAL
1.
2.
3.
4.
5.
7.
Disconnect hose (12) from elbow (1).
Disconnect fuel line (11) from elbow
(15).
Disconnect hose (10) from elbow (13).
Remove two screws (3), lockwashers
(4), and fuel pump (2) from shutter
assembly (9).
Loosen setscrew (7) and remove
coupling (6) and bushing (8) from shaft
of fuel pump (2).
Remove elbows (1), (13), and (15) from
fuel pump (2).
REPAIR
NOTE
1.
2.
3.
4.
5.
A fuel pump failure may be caused by a
clogged strainer or worn or broken parts.
Repair of the fuel pump consists of
complete disassembly, cleaning of parts,
inspection, and replacement of kit items
as well as other parts that may be
defective.
Remove eight screws (38), cover (39), and gasket (37) from fuel pump body (48).
Remove strainer (36), anti-hum wafer (35), and gasket (34) from fuel pump body (48).
Remove five screws (40), end plate assembly (41), spacer plate assembly (42), port housing (43),
and gasket (44) from fuel pump body (48).
Remove seal cap (28), seal cup (27), seal spring (26), seal washer (25), and seal (24) from fuel
pump body (48).
Remove shaft assembly (23) from fuel pump body (48).
2-131
