EN2.4 accessories corresponding to wire diameterColour coded wire feed rolls and guide tubes are available to suit a variety of filler wire typesand sizes. Drive 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. Check thegun manufacturers specification and ensure the gun meets the welding duty requirements.Also consider the extra heating effects of Pulse MIG/MAG welding on the gun selected.Kemppi gun products are designed to meet many different applications. Special wire linersand contact tips are available for different wire types and sizes.Distance wire feeding is accommodated with WeldSnake and SuperSnake products in eitherGas or Water cooled models.Thermal and load protection is also designed to some Kemppi Gun models and feed units, socarefully consider your requirements and consult your local Kemppi sales team to ensure youchoose the correct alternative for your needs.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 / 1336