0 items in your basket
Total £ 0.00 EX VAT
Multi Process Welders
MIG Torches
TIG Torches
Welding Helmets
Welding Gloves & Clothing
MMA Electrodes
MIG Wire
Shop 55,000 Products
SERVICEDEPT.
RAPID BLOG
FEEDBACK
HIRE
Lincoln LGS2 MIG Guns
Lincoln presents the LGS2 MIG Gun range. This 'one of a kind' series of welding MIG guns will provide the welder with the necessities to fulfil the workshop's toughest applications.
Gun specifications
Duty cycle at rated amperage: 60%
Rated amperage: 300A
Gun type: Handheld
Wire diameter: 0.8-1.6mm
Cooling: Air-cooled
Answers for buyers replacing or choosing an air-cooled or water-cooled MIG torch for their machine.
Start with the data plate or label on the torch and the manual for your welding machine. Note the rating, the cooling type, the connector at the machine end (Euro-style or a maker-specific fitting), the trigger or control connection, the cable length and the wire sizes it takes.Then match the consumables to the torch series itself. Contact tips, diffusers, nozzles and liners are generally made for a particular torch family and are not universal, so a part that looks the same may not seat or thread correctly. If you are unsure, our team can help you identify the right part from the markings on your torch.
The liner should match the wire material and the wire diameter. A wrong-size liner is a very common cause of wire sticking, uneven feeding and bird-nesting, so it is worth checking first when feeding is poor.Steel liners are the usual choice for steel wire, while soft wires such as aluminium are normally fed through a PTFE (plastic) liner so the wire is not scraped. Cut the liner cleanly, remove burrs and fit it so that it sits against the contact tip as the maker's instructions describe. Blow out debris with compressed air when you change it.
Fit the contact tip hand tight and then snug it with a tip wrench, or as the maker's guidance says. A loose tip heats up, wears early and can give an unstable arc.Replace it when the bore has worn oval, when it shows strong heat discolouration, or when the wire sticks or the arc becomes unsteady. Do not change tips on a fixed schedule alone: check the bore for wear first. Always use a tip sized to your wire diameter, because a bore that is too large allows arcing inside the tip and shortens its life, while one that is too small can make the wire stick.
Yes. Porosity often comes from the gas path, and the torch is a common place to find the fault. Work through it in order: check that the cylinder has gas and that the flow setting is right, look for leaks in the hose and fittings, then inspect the torch.On the torch, look for dry, cracked or cut O-rings, spatter blocking the nozzle, and a damaged or clogged diffuser. A gas flow tester shows what actually reaches the nozzle. Also shield the weld from draughts, and make sure the metal is clean, as oil, paint, rust or moisture can cause porosity too.
