Table of Contents
Advertisement
OPERATION
WIRE SIZE CONVERSION PARTS
The POWER MIG® 255XT is rated to feed .025
through .045" (0.6-1.2 mm) solid or cored electrode
sizes.
The drive roll kits and Magnum 250L gun and cable
parts are available to feed different sizes and types of
electrodes. See Accessories section.
PROCEDURE FOR CHANGING
DRIVE AND IDLE ROLL SETS
1. Turn off the power source.
2. Release the pressure on the idle roll by swinging the adjustable
pressure arm down toward the back of the machine. Lift the cast
idle roll assembly and allow it to sit in an upright position.
3. Remove the outside wire guide retaining plate by loosening the
two large knurled screws.
4. Twist the drive roll retaining mechanism to the unlocked position
as shown below and remove the drive roll. (See Figure B.1)
FIGURE B.1
5. Remove the inside wire guide plate.
6. Replace the drive and idle rolls and inside wire guide with a set
marked for the new wire size. NOTE: Be sure that the gun liner
and contact tip are also sized to match the selected wire size.
7. Manually feed the wire from the wire reel, over the drive roll groove
and through the wire guide and then into the brass bushing of the
gun and cable assembly.
8. Replace the outside wire guide retaining plate by tightening the
two large knurled screws. Reposition the adjustable pressure arm
to its original position to apply pressure. Adjust pressure as nec-
essary.
WIRE REEL LOADING - READI
REELS, SPOOLS OR COILS
To Mount a 30 Lb. (14 kg) Readi-Reel Package
(Using the Molded Plastic K363-P Readi-Reel
Adapter:)
Advertisement
Table of Contents
