TM 55-2090-201-14&P
3-39. FILTER SUPPORT, TYPE A AND B SEPARATORS (Continued).
LOCATION
ITEM
ACTION
REMARKS
b.
Stop the supply pump
(1) by turning the
supply pump selector
switch (8) OFF.
c.
Turn the auto controls
selector switch (9)
d.
To drain water from
the first stage
(prefilter) (2):
(1) Close the two
manual shutoff
valves (10 and
11) located on
the main flow
line at the inlet
to the first
stage (prefilter)
(2) and between
the first (pre-
filter) and
second stages.
(2) Open the drain
valve (12) at the
base of the
ves-
sel.
Continue to
step f.
e.
To drain water from
the second or third
stages (3 or 6):
(1) Close the two in-
tervessel shutoff
valves (13 and
14) on either
side of the
second stage (3)
or the interves-
se1 shutoff valve
(13) for drainage
of the third
stage (6).
3-250
