Lincoln Electric SP-100 IM366-B Operator's Manual page 23

• Replace Liner - when wire feeding problems occur and other items have been checked.
NOTICE: The variation in cable lengths prevents the interchangeability of liners.
Once a liner has been cut for a particular gun, it should not be installed in
another gun unless it can meet the liner cutoff length requirement.
Remove gun and cable assembly from machine.
Remove the nozzle according to the instructions in contact tip
replacement.
Remove the gas diffuser from the gun tube by unscrewing
counterclockwise.
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 stencilled 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 shown in the
diagram below. Remove any burrs from the end of the liner.
Screw the gas diffuser onto the end of the gun tube and securely tighten.
Replace the contact tip and nozzle.
Liner trim length for the Magnum 100L gun. (red trigger)
Set screw
Liner assembly
(Liner bushing to be seated tight
against brass cable connector)
• Replace internal gun handle parts as necessary.
The gun handle consists of two halves that are held together with a collar
on each end. To open up the handle, turn the collars approximately 60
degrees counterclockwise (the same direction as removing a right hand
thread) until the collar reaches a stop. Then pull the collar off the gun
handle. If the collars are difficult to turn, position the gun handle against
a corner, place a screwdriver against the tab on the collar and give the
screwdriver a sharp blow to turn the collar past an internal locking rib.
Brass cable
connector
Gas diffuser
Gas nozzle
or gasless nozzle
COUNTERCLOCKWISE
– –
23
1-1/4"(1.25)
(31.8 mm)
Liner trim
length