Guns are manually charged with a collapsible handle mounted on inside of gun. When removing take out front bolt first - slide rear eccentric slide off rear mount. For right gun put single end into box, double end out. Load 375 rounds of ammunition and load the other 25 rounds from booster motor down to ammunition can and put a shell in link connecting the two together. Preflight Inspection a. Clean canopy.
Check rheostat in sight.
Check gun solenoids. See that control handle comes back to neutral. In case of jumpy operation, check contact points on potentiometer. Close dead man's switch, which will close circuit to drive motors. Track the target and depress guns.