Lincoln Electric Welding Apparatus SP-100T

- Connect the machine to its rated input power per instructions in Installation section

- Release the spring-loaded pressure arm and lift the idle roll arm away from the drive roll

- Set the wire speed to minimum and jog the drive unit with the trigger switch until the drive roll set screw is facing up

- Loosen the drive roll set screw with the 5/64" (2.0 mm) hex wrench supplied

- Remove the drive roll, flip over and reinstall with the .023 – .025" (0.6 mm) groove (the smaller groove) closest to the gearbox

- Push a length of straightened welding wire through the wire feeder guide tubes and adjust the position of the drive roll so that the groove is centered on the wire. Make certain the set screw is located on the flat portion of the shaft and tighten;

- Remove the gas nozzle from the gun by unscrewing counter-clockwise

- Remove the existing contact tip from the gun by unscrewing counter-clockwise

- Insert and hand tighten desired contact tip

- Clean cable liner after using approximately 300 lbs (136 kg) of solid wire or 50 lbs (23 kg) of flux-cored wire

- Remove the cable from the wire feeder and lay it out straight on the floor

- Remove the contact tip from the gun; - Using low pressure air, gently blow out the cable liner from the gas diffuser end;

- Remove the gas nozzle from the gun by unscrewing counter-clockwise

- Remove the existing contact tip from the gun by unscrewing counter-clockwise

- Remove the gas diffuser from the gun tube by unscrewing counter-clockwise

- Lay the gun and cable out straight on a flat surface. Loosen the set screw located in the brass connector at the wire feeder end of the cable. Pull the liner out of the cable

- Insert a new untrimmed liner into the connector end of the cable. Be sure the liner bushing is stenciled appropriately for the wire size being used

- Fully seat the liner bushing into the connector. Tighten the set screw on the brass cable connector. At this time, the gas diffuser should not be installed onto the end of the gun tube

- With the gas nozzle and diffuser removed from the gun tube, be sure the cable is straight, and then trim the liner to the length

- Remove any burrs from the end of the liner

- Screw the gas diffuser onto the end of the gun tube and securely tighten