TM 55-2840-254-23
2-80.19 INSTALL CHECK VALVE (WATER WASH TEE TO INTERSTAGE
2-80.19
AIR-BLEED ACTUATOR FUEL CONTROL INLET) (Continued)
N O T
E
If check valve is a replacement do steps 1. and
2. If same check valve that was removed is to
be installed, omit steps 1. and 2. and proceed to
step 3.
1. Remove elbow (1), nut (2), and packing (3) from
removed check valve (4).
2. Loosely install nut (2) and packing (3) on
elbow (1). Position nut (2) to ensure packing (3)
is in groove between two sets of threads on
elbow (1).
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2-556.56
Change 5