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 TM 55-1905-220-14-8
4-16.1. WATER CLOSET - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
10.
Sewage
a. Tubing (31)
Remove tubing from
discharge
vacuum dispensing
valve
valve.
b. Tubing (45)
Remove tubing from
check valve (46).
c.
Nuts (47),
Remove four places.
and lock-
washers (48)
NOTE
Do not disturb the other nuts used for positioning
the sewage discharge valve assembly on the threaded
studs.
d. Sewage
Remove.
discharge
(50) will be
valve (49)
loose on the
threaded rod.
e. Bowl neck
Remove.
Clean mating
seal (51)
surfaces.
f.
Check valve
Loosen locknut and
(46)
replace.
g. Bowl neck
Locate in bottom
seal (51)
flange of pan assembly
(44).
h. Sewage
Install on threaded
discharge
rods.
(50) should be
valve
on threaded
(49)
rod.
CAUTION
Use care when tightening nuts not to overtorque, but
to tighten just adequately for firm seating of the
bowl neck seal.
i.
Install and tighten.
Torque to 35 in
(48), and
lb (3.953 Nm)
nuts (47)
4-632
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