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 TM 55-1905-220-14-8
4-19.1. SEWAGE DISCHARGE PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
8.
Flap
a. Nuts (25),
Remove.
valve
and screws
housing
(26)
b. Nuts (27),
Remove.
and lock-
washers (28)
c.
Flap valve
Lift up and remove.
housing
(29)
d. Studs (30)
Remove.
If necessary.
e. Flange (31)
Unscrew.
If necessary.
f.
Nuts (32),
Remove.
and lock-
washers
(33)
g. Suction
Remove.
flange (34)
h. Petcock
Remove.
If necessary.
(20)
i.
Flap valve
Remove.
If necessary.
Assembly
j.
Screw (35),
Disassemble.
washer (36),
weight (37),
and flap
valve (38)
i.
Studs (39)
Remove.
If necessary.
l.
Flap valve
Reassemble.
(38), weight
(37), washer
(36), and
screw (35)
4-700
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