TM 1-1520-238-23
4-233
4.72.
NO. 1 AND NO. 2 ENGINE ANTI-ICE SUPPLY TUBE REMOVAL/INSTALLATION – continued
4.72.6. Installation
a. Install tube (2) on flange (10). Torque nut (11) to
25 INCH-POUNDS.
(1) Slide coupling (12) on tube (2).
(2) Aline tube flange (13) on adapter flange (10).
(3) Fit coupling (12) over flanges (10) and (13).
(4) Install nut (11).
(5) Aline nut (9) on fitting (8).
(6) Torque nut (11) to 25 INCH-POUNDS. Use
torque wrench.
b. Install tube (2) on valve (7). Torque nut (9) to
415 INCH-POUNDS.
(1) Lubricate threads of fitting (8). Use
petrolatum (item 138, App F).
(2) Install nut (9) on fitting (8).
(3) Hold fitting (8). Use open end wrench.
(4) Torque nut (9) to 415 INCH-POUNDS. Use
torque wrench and crowfoot.
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M04-2589-7
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M04-2589-4
