TM 55-2090-201-14&P
4-29. SIGHTGLASS AND FITTINGS - TYPE C AND D SEPARATORS (Continued).
LOCATION
ITEM
ACTION
REMARKS
(3) Open the water dis-
charge valve (6) and
close the oil dis-
charge valve (2 or 3)
after the oil has
drained from the
stage.
b. Stop the supply pump (1)
by turning the supply
pump selector switch
(7) OFF.
c. Close the water discharge
valve (6).
d. To drain water from the
first stage (prefilter)
(4):
(1) Close the inlet valve
(8) located at the in-
let to the first stage
(prefilter) (4) and
the intervessel shut-
off valve (9) between
the first (prefilter)
and second stages.
(2) Open the drain valve
(10) at the base of
the vessel.
e. To drain water from the
second stage (5):
(1) Close the intervessel
shutoff valve (9) lo-
cated between the
first (prefilter)
and second stages.
(2) Open the drain valve
(11) at the base of
the vessel.
Use extreme care when handling sightglass.
4-114
