M978 Tanker Operating Procedures (Cont)
Open stowage tube cover (4) and remove suction hose (5).
B GRAVITY RECEPTACLE is designed for a 4 in.
(101.6 mm) hose. Use an army supplied hose for gravity
discharge of fuel.
Connect one end of suction hose (5) to B GRAVITY RECEPTACLE (3)
and other end to receiving receptacle.
Pull back MC MANUAL CONTROL EM VALVE lever (6).
Open V17 GRAVITY VALVE (7) to unload fuel.