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 TM 55-1905-219-14-8
4-29.
COMPRESSOR - HVAC - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
SERVICE (Cont)
3.
Oil pres-
a.
Compres-
Pump down to 1 or 2 psig
Refer to para
sure reg-
sor
(6.9 or 13.8 kPa).
4-28e(5)(e).
ulator
b.
Valve
Remove.
Discard gasket.
cap (10),
and gas-
ket (11)
c.
Valve
1.
Remove.
Use 5/16 Allen
body (12)
wrench across
flats.
2.
Examine valve stem and
see that it is seating
properly.
d.
Valve
Install.
Use Allen
body (12)
wrench.
e.
Gasket
Install.
Use new gasket.
(11), and
valve cap
(10)
f.
Compres-
Restart.
sor
4.
Capacity
a.
Compres-
Drain oil.
Refer to para
control
sor
4-28g(5).
valve
b.
Inlet
1.
Unscrew flare nuts.
tubing
(13)
2.
Carefully move copper
Avoid kinking
tubing to one side.
of tube.
c.
Capacity
1.
Disassemble.
a. Remove
control
strainer.
valve
The strainer
(14)
has a coni-
cal flange
on its outer
end which
forms a seat
for the
flared end of
the copper
tubing.
4-884
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