■Operation from loading to discharging
1.Ensure that the handle of the ball valve is closed.
2.Set rubber ball into the barrel with this side of rope attached and fully pushed by rubber ball loading rod.
(If barrel is set to be upward ,rubber ball loaded
by itself.)
3.Fix the socket (female)attached to one end of the air feeding rubber hose into the plug(male)on the air intake valve,and open the valve to supply the air.
(This socket serves as a non-return valve.)
4.When the internal pressure of the tank at reached the specified valve (which may be adjusted according to the trajectory range),close the feed air valve.
5.Fix direction of the unit to take an appropriate elevation angle(20~45degree)then,extract safety pin from operating valve handle and if the same handle is operated rubber ball gets onto the target describing an arch.