Arrangement For Welding With a Spool Gun
WARNING: Electric shock can kill! Always turn the POWER switch OFF and unplug the power
cord from the AC power source before installing wire.
Before installing any welding wire into the unit,
the appropriate drive roll must be placed into position
on the wire drive mechanism. Ensure the groove is the
proper shape and size for the wire being used. Adjust
the drive roll according to the following steps:
1. Open the wire drive cover on the spool gun.
2. Remove the drive tension by loosening the
tension adjusting screw and lifting the drive
tension adjustor up, away from the drive
tension arm. Pull the drive tension arm away from the drive roller.
3. If needed, loosen the tension adjusting screw on the drive tension arm. Pull the drive tension
arm up to allow access to the drive roll within the wire drive system. Rotate the black drive
roll cap counterclockwise and remove it to reveal the metallic drive roll. Pull the drive roll
off its shaft. NOTE: The drive roll has two wire size (.030" and .035") grooves built into it.
Ensure the corresponding groove and wire size are used. Replace the drive roll onto its shaft
and drive roll cap onto the drive roll.
4. Find the side of the drive roller that is stamped with the same wire diameter as that of the
wire being installed. Push the drive roller onto the drive roller shaft, with the side stamped
with the desired wire diameter facing you.
5. Reinstall the drive roller cap and lock in place by turning it clockwise.
6. Remove the nozzle and contact tip from the end of the gun assembly.
7. Open the wire spool casing, located at the rear of the spool gun, by turning the retaining
knob counterclockwise.
8. Unwrap the spool of wire and find the end of the wire.
9. After checking to make sure that your welder is disconnected from the AC power source, free
the leading end of the wire from the spool, but do not let go of it until told to do so, or the
wire will unspool itself.
10. Using a wire cutter, cut off the bent portion at the end of the wire so that you are left with a
straight section of wire.
11. Unroll about 6" of welding wire from the wire spool.
12. Insert the leading end of the wire into the inlet guide tube (located in the Wire Spool
Casing). Then push it across the drive roller and into the gun assembly about 6".
13. Line the wire up in the appropriate top groove of the drive roller, then push the drive tension
arm against the drive roller.
14. Flip the quick release drive tensioner back into position on the drive tensioner arm.
15. Tighten (turn clockwise) the drive tension adjusting knob until the tension roller is applying
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