IM 240-i
Operation manual
Seite 8
2.7
Weld area preparation
A work piece must be clean in the welding area, free of paint, metallic coat, dirt, rust, fat and
moisture. The preparation of weld must be according to technical instructions for welding.
2.8
Connecting the pressure bottle
Make sure You are using right gas according welded material.
Set the pressure bottle to the stand intended for it and fasten it by belt to the holder on the
back side of the device. Open a cover and after that open the bottle valve for a short time
in order that the gas flows away from your body. Screw a reduction valve on the pressure
bottle. Connect a hose to the MIG-MAG welding device reduction valve. The recommended
gas flow is 8 – 15 liter/minute in a room without draft.
If you use an adjustable reduction valve, you can adjust a gas flow with a toggle nut with a
liter scale. The device must be turned on and gas-check function activated the welding
button must be pressed during adjustment.
It`s not allowed to repair pressure valves. It`s necessary to send the defective reduction val-
ves to service.
2.9
Connecting the return cable
It`s necessary to connect the grounding clamp in the very vicinity of welded place. The
transfer contact must be metallic clear free of dust and color.
