TM 9-2320-365-20-3
11-20. SECONDARY AND PRIMARY AIR TANKS REPLACEMENT (CONT)
(14) Remove branch tee fitting (6) from secondary air tank
(14).
(15) Remove drain valve (18) from secondary air tank (14).
(16) Remove inversion valve (19) from reducer fitting (20).
(17) Remove reducer fitting (20) from two-way check valve
(16).
(18) Remove 90-degree fittings (9 and 11) from inversion
valve (19).
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