Installation Instructions
Aluminum Welding Kit
Notes Notas
Model WT2531
9.Reattach torch cable cover onto drive deck, making sure wire liner is aligned with drive roller, but not touching the roller (see figure 6). Note: Trim the liner’s length as needed.
Figure 6
Smooth-Groove
Drive Roller
The existing
1.Verify the welder is OFF and
UNPLUGGED.
2.Open wire feed door and locate drive deck. Release tension on swing arm by rotating tension screw down.
3.Remove roller cover by removing two screws (see figure 7).
Figure 7 – Remove these two screws
4.Remove
5.Reinstall roller cover.
Aluminum Contact Tip
The contact tips in this kit have been designed specifically for welding aluminum. The hole is slightly oversized to reduce drag. There is more mass to handle the extra heat associated with aluminum welding. And, the tip is tapered for use with shielding gases. These tips are to be used with 0.030" (0.8 mm) aluminum MIG wire.
1.Remove nozzle by turning counterclockwise.
2.Remove existing contact tip by turning counterclockwise.
3.Install 0.030" (0.8 mm) aluminum contact tip.
4.Reinstall nozzle.
Aluminum Welding Help
•Make sure your base metal is very clean. New aluminum will oxidize almost immediately. Thin layers of oxidation are clear and cannot be seen. Use a stainless steel brush to clean the weld area and the work clamp area. Use the stainless steel brush only on aluminum to prevent contamination.
•The center of the contact tip must be clean to transfer the current required for welding aluminum. Even new contact tips can benefit from cleaning with a tip cleaner.
•Since aluminum conducts heat so well, higher welder output is required. Also, the wire and travel speeds need to be faster.
•Work clamp connection must be thoroughly clean and as close to the weld area as possible.
•When welding thin material, it is usually easier to use a "push" technique rather than a "pull" technique.
•Do not use the components in this kit to weld anything other than aluminum to prevent contamination. If you need to weld mild steel,
remove this kit and install the original components that came with your welder.
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