Kemppi Kempact 251R Operating Manual

Also see for KEMPACT 181A: Quick guide Service manual

EN4.3 Setting the spool brake forceTo prevent the filler wire from uncoiling on overrun following use at high feed speeds, you canchange the brake force of the welding spool. Adjust the spool brake force through the hole inthe spool locking mechanism. Increase the force by turning the screw clockwise and decreaseit by turning it anticlockwise.NOTE! Do not over tighten and reduce the pressure for light filler wire types.4.4 Loading the welding wire to feed mechanismGT02 DuraTorqueNOTE! Always ensure that ALL wire guide tubes are correctly selected and installed beforeconnecting the welding gun.1. Release the pressure lever(s) and open the pressure arm(s) carrying the top wire feed roll,lifting clear on its pivot.2. Draw some loose filler wire from the spool and carefully push it through the liner andbronze guide at the back of the wire feed mechanism. Push the filler wire over the feedroll groove and through the wire guide(s) tubes and Euro connector block, exposingabout 150 mm of filler wire from the front of the machine.3. Close the top feed roll(s) lever(s) over the filler wire and close the pressure arm(s).11© Kemppi Oy / 1135