TM 55-2090-201-14&P
3-40. SIGHT GLASS AND FITTINGS, TYPE A AND B SEPARATORS.
This task covers:
a.
Removal
b.
Replacement
C.
Installation
INITIAL SETUP
Test Equipment
None
Tools
Tool Kit, General Mechanics
Material/Parts
Elbows
"O"-rings
Sight glass
Washer(s)
Personnel Required
1
Equipment Condition
LOCATION
ITEM
ACTION
REMARKS
1.
Draining a. With the pump (1) running
system
and control power on, dis-
charge as much oil as pos-
sible from the separator
stage in which the sight
glass is to be removed ac-
cording to the following:
(1) To discharge from the
first (prefilter) or
second stages (2 or 3),
manually depress the
oil dump light/button
(4 and 5) for the
respective stage.
(2) To discharge oil from
the third stage (6),
open the manual oil
discharge valve (7)
discharged.
until all oil has been
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