TM 1-1520-238-23
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4.35.
ENGINE BUILDUP – NO. 1 AND NO. 2 ENGINE DRAIN SYSTEM INSTALLATION (T700-GE-701C
ENGINE) – continued
4.35.3. 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 union (4) on swirl frame drain (5).
(1) Lubricate new packing (6). Use petrolatum
(item 138, App F).
(2) Install union (4) through line (7).
(3) Install packing (6) on union (4).
(4) Install union (4) on drain (5).
c. Install union (8) on main frame common drain
(9).
(1) Lubricate new packing (10). Use petrolatum
(item 138, App F).
(2) Install packing (10) on union (8).
(3) Install union (8) on 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) on drain (12).
(4) Tighten nut (14).
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