TM 5-3825-225-14&P
(4)
Continue to operate the hand primer until the fuel flowing from the vent valve and head vent screw is free of
air bubbles.
(5)
Tighten the head vent screw and the vent valve.
(6)
Loosen the high pressure fuel lines at the injector pump.
(7)
Operate the hand primer until the fuel flowing from the high pressure fuel lines is free of air bubbles
(8)
Tighten the high pressure fuel Lines.
(9)
After priming the pump, check all jointing faces for leaks.
Figure 5-50. Injector Pump.
Section IX. DISPENSING AND SERVICING EQUIPMENT
COMPONENTS MAINTENANCE
5-23. WATER DISTRIBUTOR PUMP RE-
PAIR.
a. Disassembly (See Appendix E Figures 82 and
83).
(1)
Remove pump assembly (1, Appendix F, Figure 82) from engine (see paragraph 4-54).
(2)
Remove tee (15, Appendix F, Figure 83), nipple (11), dust cap (12), strainer (14), and adapter (13) from pump.
(3)
Remove discharge flange (16) and nipple (18).
(4)
Remove screws (34, Appendix F, Figure 82) and lock washers (35) and separate tank (13) and gasket (37) from
the internal pump parts. Discard lockwashers and gasket.
(5)
Remove diffuser (17) and shim (40) from tank (13).
(6)
Remove self-locking nut (18), washer (19), impeller (21), key (20), and shaft seal (22) from shaft (29). Discard
self-locking nut and shaft seal.
(7)
Remove screws (38) and lockwashers (39) and separate lantern (36) and shim (40) from adapter (28). Discard
lockwashers.
(8)
Remove screws (41), lockwashers (42), linger (33), bearing cap (32), retaining ring (31), bearing (30), and shaft
(29) from adapter (28). Discard lockwasher and retaining ring.
(9)
Remove grease fitting (27) from adapter (28). Discard grease fitting.
(10)
Remove screws (26), lockwashers (25), drive plate (24), and pilot (23) from engine. Discard lockwashers.
(11)
Remove nipples (14) and plugs (4, 15, and 43) from tank (13).
(12)
Remove screws (2), inlet flange (3) and check valve assembly (5) from tank (13).
(13)
Remove bolt (6), lockwasher (11), and nut (12), and disassemble check valve assembly (5). Discard
lockwasher.
TA506354
5-35
