How To Change a Conventional Liner on a TOUGH GUN Robotic MIG Gun Equipped with Wire Brake

To change a conventional liner on a TOUGH GUN® robotic MIG gun equipped with wire brake, follow the instructions below:


 Step 1:

  • Unthread and remove the liner from the back of the MIG gun.

Step 2:

  • Insert the new liner from the back of the torch. The liner will bottom out on the Wire Brake.
  • Measure the distance from the back of the power pin to the hex on the liner and take note of the measurement.
How To Change a Conventional Liner on a TOUGH GUN Robotic MIG Gun Equipped with Wire Brake,STEP 2

Step 3:

  • Remove the liner and cut the length of your measurement off the front of the liner.
How To Change a Conventional Liner on a TOUGH GUN Robotic MIG Gun Equipped with Wire Brake, STEP 3

Step 4:

  • Reinsert the liner and tighten with a 10-mm wrench.
  • Remove the neck and pull out the jump liner (item #27).
How To Change a Conventional Liner on a TOUGH GUN Robotic MIG Gun Equipped with Wire Brake, STEP 4

Step 5:

  • Reinsert a new jump liner into the neck and install the neck back onto the torch.
  • Push back on the jump liner to make sure that it has seated properly against the Wire Brake and cut so that a 1/2 inch of the liner is sticking out of the neck.
How To Change a Conventional Liner on a TOUGH GUN Robotic MIG Gun Equipped with Wire Brake, STEP 5
ITEM #5 PART NUMBERITEM #27 PART NUMBERWIRE SIZE
WB-100495-18-350.045″
WB-110495-18-1160.052″ – 1/16″

Step 6:

  • Reinstall and tighten the retaining head and contact tip, and slide on the nozzle.
How To Change a Conventional Liner on a TOUGH GUN Robotic MIG Gun Equipped with Wire Brake, STEP 6

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