TM 1-1520-238-23
7-522
7.136.
PRESSURIZED AIR SYSTEM TEE AND CHECK VALVE REMOVAL/INSTALLATION – continued
7.136.6. Installation
a. Install new packings (10), (11), (12), and (13).
(1) Lubricate packings (10), (11), (12), and (13).
Use petrolatum (item 138, App F).
(2) Install packings (10) and (11) on tee (1).
(3) Install packing (12) on pressure manifold
(14).
(4) Install packing (13) on line (15).
CAUTION
To prevent damage to SDC, check valve
must be installed with hinge vertical and
arrow pointing toward tee.
b. Install check valve (8).
(1) Lubricate new packing (9). Use petrolatum
(item 138, App F).
(2) Install packing (9) on tee (1).
(3) Insert check valve (8) vertically with arrow
pointing toward tee (1).
c. Install tee (1).
(1) Place tee (1) into position.
(2) Install and connect two couplings (4) and (5).
(3) Install coupling (7). Install nut (6).
(4) Install hose (2). Install nut (3).
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