TM 9-2330-384-14&P
4-84. WINTERIZATION OF BOTTOM LOADING SYSTEM (Con't).
WINTERIZATION
NOTE
Tag tubing (6, 7, 11, 14, and 15) to ensure proper installation.
If installed, remove nut (17) from bleeder valve (18).
(1)
Loosen nuts (8, 9, 12, 13, and 16) and disconnect tubing (6, 7, 11, 14, and 15). Drain all
(2)
liquid from tubing.
Remove pilot valve (1) from emergency valve (4). Separate pilot valve from tee (10). Drain
(3)
pilot valve completely.
WARNING
Compressed air using for drying purposes must not exceed 30 psi
(207 kPa). Wear protective clothing (goggles, face shield, and gloves) and
use caution to avoid injury to personnel.
Use compressed air to dry all tub-
(4)
ing (6, 7, 11, 14, and 15) and pi-
lot valve (1).
Use a clean syringe to remove all
(5)
liquid from socket valve (3) and
port (5) where pilot valve (1) was
installed.
Fill syringe with antifreeze and in-
(6)
stall antifreeze into port (5) until
full.
Install pilot valve (1). Fill port (2)
(7)
of pilot valve with antifreeze.
Connect tubing (6, 7, 11, 14, and 15) as tagged and tighten nuts (8, 9, 12, 13, and 16).
(8)
Install nut (17) on bleeder valve (18).
4-282