Assessments - 2, GPA: 4.5
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Extremely toxic fumes are created when these metals are heated. 4. Connect the work clamp to the work piece or workbench (if metal). Make sure the contact is secure. Avoid surfaces with paint, varnish, corrosion, or non-metallic materials. 5. Position the Heat Selector on the front panel to the desired setting. See application decal inside door of wire feed compartment for proper heat settings. NOTE: These settings are general guidelines only. Heat setting may vary according to welding conditions and materials. 6. Rotate the Wire Speed Control to setting number 5 to start with, then adjust as needed after test weld. 7. Plug the input cord into a proper voltage receptacle with proper circuit capacity (See Chart under circuit requirements on page 1). 8. Switch the welder ON. 9. Verify that the wire is extended 1/4" from the contact tip. If not, squeeze the trigger to feed additional wire, release the trigger, and cut wire to proper length. 10. Position the wire feed gun near the work piece, lower the welding helmet by nodding the head, or position the hand shield, and squeeze the gun trigger. Adjust heat setting and wire speed as needed. 11. When finished welding, turn welder off and store properly. Maintenance AWARNING Disconnect power supply and turn machine off before inspecting or servicing any components. Keep the wire compartment cover closed at all times unless the wire needs replacement. Before every use: 1. Check condition of weld cables and immediately repair or replace any cables with damaged insulation. 2. Check condition of power cord and immediately repair or replace any cord if damaged. 3. Inspect the condition of the gun tip and nozzle. Remove any weld slag. Replace gun tip or nozzle if damaged. AWARNING Do not operate this welding machine with cracked or missing insulation on welding cables, wire feed gun, or power cord. Every 3 months: 1. Replace any unreadable safety labels on the welder. 2. Use compressed air to blow all dust and lint from the ventilation openings. 3. Clean the wire groove on the drive roll. Remove wire from the feed mechanism, remove screws from the drive roll housing. Use a small wire brush to clean the drive roll. Replace if worn or damaged. Consumer and Wear Parts The following parts require routine maintenance: • Wire feed drive roller • Gun liner - replace if worn • Nozzle/contact tips • Wire - this welder will accept either 4" or 8" diameter spools. Welding wire is susceptible to moisture and oxidizes over time, so it is important to select a spool size that will be used within approximately 6 months. For mild steel welding, AWS ER70S6 solid wire or AWS E71T-GS flux-core wire is recommended. • Contact tips - use Campbell Hausfeld, Tweco®, and other compatible tips. 6 WG3000 and WG3060 Maintenance (Continued) • Nozzle - use Tweco® style or compatible nozzle. Use Campbell Hausfeld nozzle model WT5021 found at place of purchase of welder, or use Tweco® style nozzle (or compatible nozzle) found at local welding supply store. DRIVE ROLLER There are two grooves in the Drive Roller. The small groove is for .024 (.6 mm) wire and the other is for .030 -.035 (.8 - .9 mm) wire. Remove the roller cover and flip the drive roll to choose the correct groove (see Parts Breakdown). FLUX CORE WIRE Due to small inconsistencies in wire diameter, using one size larger tip is recommended. For example: • If wire diameter is .030, use .035 tip. • If wire diameter is .035, use .040 tip. This welder is setup for .035 (.9 mm) wire and has a .040 tip. Since this welder uses .030 and .035 Flux Core Wire, the drive roller should be in its factory pre-set condition. MIG WIRE Since MIG wire maintains fair wire diameter consistency, the contact tip used should match the wire size used. When using .024 (.6 mm) wire, use the small groove on the drive roller. When using .030 - .035 (.8 - .9 mm) MIG or Aluminum wire, use the factory set large groove. ALUMINUM WIRE When using Aluminum wire, it is best to use a larger size tip than the wire size being used. For example: • If wire diameter is .030, use .035 tip. When using .030 - .035 (.8 - .9 mm) MIG or Aluminum wire, use the factory set large groove. Aluminum wire is very weak and should not have the same tension on the drive roller as Flux Core or MIG wire should. When tensioning Aluminum wire down to the Drive Roller, turn the tension screw three full turns or until the Drive Roller begins to grip the wire and feed it through the torch cable. Call (800) 746-5641 for replacement parts. Welding Guidelines General Crater Work Piece — Figure 10 - Weld Components This line of welding machines can utilize the Flux Cored Arc Welding (Gasless) process or the Gas Metal Arc Welding (MIG) process. The weld must be protected (shielded) from contaminates in the air while it is molten. The gasless process uses a tubular wire with a flux material inside. The flux creates a shielding gas...