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 TM 55-1905-220-14-8
4-18.1. SEWAGE SYSTEM VACUUM PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
11.
Pump
a.
Hoses
Disconnect.
b.
Nuts (37)
Remove.
and screws
(38)
c.
Four set-
Loosen.
screws (39)
d.
Coupling
Remove.
(40) and
two keys
(41)
e.
Vacuum pump
Remove.
(42) and
mounting
liner (43)
f.
Four screws
Remove.
(44), and
fan guard
(45)
g.
Retaining
Remove and clean fan.
ring (46),
and dead end
cooling fan
(47)
h.
Four screws
Remove.
(48), and
fan guard
(49)
i.
Retaining
Remove and clean fan.
ring (50),
and driven
end cooling
fan (51)
j.
Driven end
Install.
cooling fan
(51) and
retaining
ring (50)
4-678
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