TM 1-1520-238-23
4-104
4.34.
ENGINE BUILDUP – NO. 1 AND NO. 2 ENGINE DRAIN SYSTEM INSTALLATION (T700-GE-701
ENGINE) – continued
4.34.3. Installation
a. Install combustor drain hose (1) on diffuser
case union (2).
(1) Lubricate threaded area of union (2). Use
petrolatum (item 138, App F).
(2) Hold union (2). Install nut (3).
b. Install elbow (4) in swirl frame drain (5).
(1) Lubricate new packing (6). Use petrolatum
(item 138, App F).
(2) Install packing (6) on elbow (4).
(3) Install elbow (4) in drain (5).
(4) Tighten nut (7).
c. Install nipple (8) on main frame common drain
(9).
(1) Lubricate new packing (10). Use petrolatum
(item 138, App F).
(2) Install packing (10) on nipple (8).
(3) Install nipple (8) in drain (9).
d. Install elbow (11) on hydromechanical unit
(HMU) drain (12).
(1) Lubricate new packing (13). Use petrolatum
(item 138, App F).
(2) Install packing (13) on elbow (11).
(3) Install elbow (11) in drain (12).
(4) Tighten nut (14).
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