Abimig AT 255 LW FAQs
Straight answers on choosing, fitting and looking after a lightweight air-cooled MIG torch of this size class and its swan necks.
Who is a lightweight air-cooled MIG torch of this size class suited to?
A lightweight air-cooled torch of this class suits light to medium fabrication, workshop repairs and general steel work, where the welder holds the torch for long periods and a lighter, more flexible lead reduces fatigue. Air cooling means no water cooler or hoses to look after.
It is not meant for heavy, continuous welding at high current, where a larger or water-cooled torch is the better fit. Check the rating on the torch against the current and the gas you actually use, and choose a torch with some margin.
Why is the torch supplied without a neck, and how do I pick the right neck?
On many torches of this type the handle and cable are separate from the neck (the curved tube that carries the contact tip and nozzle), so you can choose the neck shape that suits your work. A neck must be matched to the torch size class and to the maker's neck style, because necks from different styles usually do not interchange.
Check the data plate, the manual or the markings on your existing neck and match the size class and the fitting before ordering. If you are unsure, our team can help you choose.
Which swan neck angle is best for my welding position?
Access and visibility matter most. Neck angles of about 45 or 60 degrees are both common for fillet welds, fabrication and joints with limited access, and a straight or shallower neck can suit open, flat work. The angle changes how the nozzle approaches the joint, so a tight corner usually needs more bend and an open joint less. Hand size, handle style and your own height can also change which angle feels best.
If you often weld in awkward positions, keep a second neck of a different angle or length. Make sure any neck you choose is the correct style and size class for your torch.
How do I choose the right liner for my wire?
The liner must match both the wire material and the wire diameter. Steel liners suit steel wire, while a plastic-type liner (such as PTFE or nylon) is generally used for softer aluminium wire because it creates less friction. Using a liner that is too tight causes jamming and shaving, and one that is too loose lets the wire buckle.
A torch should never be run without a liner. Fit the right type and bore size whenever you change wire, and check the torch manual for the correct liner for your cable length.