EN5. Mounting FastMig wire feed units to boom and swing armsWhen mounting wire feed units to boom and swing arms, the unit must be electricallyisolated from both.Suspension angle of wire feed unit can be changed by moving the fixing point in handle.2.4 Accessories corresponding to wire diameterColour coded wire feed rolls and guide tubes are available to suit a variety of filler wire typesand sizes. Feed roll groove geometry and design vary depending on the application. Furtherdetails are available in the spare parts tables.Please ensure you select the correct drive rolls and guide tubes from the table to suit yourparticular welding application.2.5 Welding gun selectionPlease ensure that the welding gun selected is suitable for the target application. Kemppiwelding gun products are designed to meet many different applications. Special wire linersand contact tips are available for different wire types and sizes.For FastMig X 450 and MXP 37 Pipe setup Kemppi offers the PMT MN welding gun model,which is specially designed for welding root and fill passes on pipe. The neck is replaceable, soyou can select just the right bending angle for different work stages.Distance wire feeding is accommodated with WeldSnake and SuperSnake products in eitherair or liquid cooled models.2.6 Mounting and locking of wire spoolNOTE! Check that in filler wire spool is correctly mounted and locked into position. Ensure the spoolis not damaged or deformed in such a way that it can rub or chaff against the internal surface ofthe wire feed unit chassis or door. This may result in increased drag, impacting on weld quality. Thismay also result in long term wire feed unit damage, rendering the unit unserviceable or unsafe touse.7© Kemppi Oy / 1515