TM 1-1520-238-23
Change 1
4-223
4.68.
NO. 1 OR NO. 2 ANTI-ICE VALVE AND BRACKET REMOVAL/INSTALLATION – continued
4.68.6. Installation
a. Install new packing (17) on union (12).
(1) Lubricate packing. Use petrolatum (item 138,
App F).
b. Install union (12) on valve (6). Torque union (12)
to 575 INCH-POUNDS.
(1) Lubricate threads of union (12). Use
petrolatum (item 138, App F).
(2) Install union (12) on valve (6).
(3) Hold valve (6). Use crowfoot.
(4) Torque union (12) to 575 INCH-POUNDS.
Use torque wrench and crowfoot.
c. Install support (18) on boss (23).
(1) Aline support (18) on boss (23).
(2) Install four screws (24) and washers (25).
d. Install valve (6) on support (18).
(1) Insert two screws (19) through washers (22),
support (18), and valve (6).
(2) Hold two screws (19).
(3) Install two nuts (20) and washers (21).
e. Install tube (14) on valve (6). Torque nut (16) to
415 INCH-POUNDS.
(1) Lubricate threads of fitting (15). Use
petrolatum (item 138, App F).
(2) Install nut (16) on fitting (15).
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12
17
M04-1041-5
6
M04-1041-6
23
6
18
25
24
20
22
19
21
16
14
15
6
11
13
12
FOR ENGINE NO.1
M04-1041-7
