TM 55-1905-223-24-18-1
(3) Connect tubing at (9, 11).
Replace Four-Way Valve.
e.
(1) Position four-way valve (8) on mounting bracket and secure with mounting
hardware (2).
(2) Remove caps or plugs from tubing.
(3) Connect tubing at (3, 4, 5, 6, and 7).
Turn ON air supply to bowthruster control station.
f.
Restore bowthruster engine and auxiliary (diesel driven) fire pump to
g.
operation and remove tags.
2-500