Kemppi MF 29 Operating Manual

Also see for FastMig MF 29: Service manual Operation instructions

Contents

Kemppi MF 29 Operating Manual Manual pdf 9 page image

EN3. INSTALLATION3.1 Assembly of mig systemAssemble the units in order mentioned below and follow mounting and operationinstructions which are delivered in packages.Installation of power sourceRead paragraph: ”Installation” in operation instructions for FastMig power sources and carryout the installation according to that.Mounting of KM power sources to transport wagonRead and follow the instructions given in the transport cart installation/assembly manualConnecting cablesConnect the cables in accordance with the equipment notes provided.The polarity of the welding wire (+ or -) can be changed by replacing the MF welding currentcable and return current cable with the FastMig™ power source welding cable connector.Mounting of FastMig wire feed units to boomNOTE! Wire feed unit must be mounted to boom in such a way that its chassis is galvanic separatedboth from swing arm and boom.Suspension angle of wire feed unit can be changed by moving fixing point in handle.3.2 Mounting of MIG welding gunIn order to ensure trouble-free welding check in operation instructions of gun used by youthat wire guide tube and contact tip of gun are according to manufacturer’s recommendationsuitable to be used for wire feed diameter and type in question. To tight a wire guide tubemight cause for wire feed unit a bigger stress than normally as well as disturbances in wirefeed.Screw snap connector of gun tight that there won’t come any voltage losses on connectingsurface. A loose connection will heat gun and wire feed unit and feeder.3.3 Mounting and locking of wire spoolAB• Release the locking nut (A)!• Mount the spool at its place. Note rotating direction of spool• Lock the spool with locking nut..NOTE! Check that in filler wire spool there are no parts sticking out, which could e.g. chafe againstchassis or door of wire feed unit. Dragging parts might expose chassis of wire feed unit undervoltage.3.4 Automatic wire feed to gunAutomatic wire feed makes change of wire spool more rapid. In spool change the pressure offeed rolls need not to be released and filler wire goes automatically to correct wire line.• Make sure that groove of feed roll matches the diameter of welding wire used.• Release the wire end from spool and cut off the bent length. Be careful that the wiredoes not spill from the spool to sides!• Straighten about 20 cm of the wire and see that the end of it has no sharp edges (fileoff if necessary). A sharp edge may damage the wire guide tube and contact tip of thewelding gun.7© Kemppi Oy / 1152