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3-4 LINER REPLACEMENT
NOTE: For guns equipped with thread-in power pins, Bernard, or Euro-connectors, the procedure is the same.
On Miller-style guns, liner is held captive by a guide cap which must be removed and replaced when changing liner.
STEP #1
NOTE: Ensure power supply is off and gun is removed from feeder before proceeding.
•
Remove nozzle, tip and retaining head.
•
If power pin uses a liner set screw, loosen the set screw using a 5/64" Allen wrench.
•
If power pin is thread-in liner type, using a 10 mm wrench, turn thread-in liner retainer counterclockwise until
liner is free from the power pin.
•
With gun straightened, grip conduit liner with pliers and remove.
STEP #2
•
Feed replacement liner through gun using short strokes to avoid kinking. Twist liner clockwise if necessary.
Using a 10 mm wrench, turn thread-in liner collet in a clockwise direction and tighten in power pin.
STEP #3
•
Push liner back into gun and hold in place.
•
Trim conduit liner with a 3/4" (19 mm) stick out.
•
Remove any burr that may obstruct wire feed, especially on flat wire
type conduit liner.
•
Replace nozzle, tip and retaining head onto neck.
11
NECK
CONDUIT
LINER
3/4" (19 mm)
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