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 TM 55-1905-219-14-8
4-7.4A. PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
2. Pump body
a. Electrical
Remove.
wiring from
pressure
switch (25)
b. Gage hose
Unscrew.
It may be necessary
(26)
to hold hose with
pliers while turning
the hose fitting.
The fitting will
turn inside the hose.
c. Exhaust
Unscrew.
It may be necessary
cooling hose
to hold hose with
(27)
pliers while turning
the hose fitting.
The fitting will
turn inside the hose.
d. Pipe elbow
Unscrew and
(28)
remove.
e. Check valve
Unscrew and
(2)
remove.
f. Pressure
Unscrew and
switch (25)
remove.
g. Pipe cross
Unscrew and
(29)
remove.
h. Pipe nipple
Unscrew and
(30)
remove.
i. Drain valve
Unscrew and
(13)
remove.
CAUTION
Check shims between pump body base and mounting support plate, accurately
record each shim location.
4-320
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