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 TM 55-1905-219-14-8
4-18.1. SEWAGE AIR PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
7. Pump
a. Screws (41)
Remove.
b. Key (42)
Remove.
c. Eight
Remove.
screws (43)
Be careful that the vanes in the rotor and shaft assembly are
not damaged after the cylinder head shaft end is removed
from the pump body. The rotor and shaft assembly are no
longer supported on that end.
d. Cylinder
Remove.
head shaft
end (44)
e. Roller
Remove.
bearing
(45), seal
housing
(46), and
seal (47)
f. Rotor (48),
Slide out of pump body
and vanes
(50).
(49)
g. Four screws
Remove.
(51), and
end cap
(52)
h. Lockscrew
Remove.
(53), and
bearing
washer
(54)
i. Shaft (55)
Remove.
4-696
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