Change nozzle if spatter does not readily come off

Change the retaining head if the gas ports become clogged

Change the liner if the wire does not feed smoothly

Change the drive rolls if slippage is noticed

Gently remove the outer plastic frame, by pulling where the red arrows are shown. The frame will tilt out.

Remove the filter to clean it. Clean using low-pressure air or replace filters if necessary. Remember to clean each side.