6 – TTC 130, TTC 130F, TTC 160, TTC 160S, TTC 220, TTC 200W,TTC 250W, TTC 250WS/0109 © COPYRIGHT KEMPPI OYRTC 10 (code 6185477)Besides the start-switch there is a potentiometer for controlling the welding current.S = startU (clockwise) = welding currentwill slope-upD (anticlockwise) = welding currentwill slope-downRTC 20 (code 6185478)Besides the start-switch there is a seesaw switch for controlling the welding current.S = startU = welding currentwill slope-upD = welding currentwill slope-downAssembly instruction is delivered with the regulators.2.3. ADJUSTMENT OF TORCH BODY AND GRIPSYou can draw the torch neck outwards from inside the handle in approx. 30 mm length in orderto grow reach or to minimize heat radiation to welder’s hand. You can also twist the torchbody 360° in regard of the handle. Twisting of neck makes the length adjustment easier. Beforestarting to weld make sure that the parts being exposed to voltage at the back end of the neckbody are not visible.You can without tools move or twist grips on the lower surface of the handle into such positionyou like that you can get a steady hold on the torch. You can also easily remove one or both ofthe grips through the front end of the handle.