Eastwood MIG 90 Assembly And Operating Instructions Manual
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Eastwood MIG 90 Assembly And Operating Instructions Manual

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Item #58015
MIG 90 WELDER
ASSEMBLY AND OPERATING INSTRUCTIONS

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Summary of Contents for Eastwood MIG 90

  • Page 1 Item #58015 MIG 90 WELDER ASSEMBLY AND OPERATING INSTRUCTIONS...

  • Page 2: Statement Of Limited Warranty

    Eastwood. WARRANTY REPAIR: If Eastwood confirms the existence of a defect covered under this warranty plan, Eastwood will determine whether repair or replacement is the most suitable option to rectify the defect. At Eastwood’s request, the purchaser must return, to Eastwood, any products claimed defective under Eastwood’s warranty.
  • Page 3 CONTENTS COMPONENTS AND ACCESSORIES; FIG A (1) MIG 90 Welder with MIG Torch with 8’ Cable Assembly and 0.023” Tip Installed [A] (1) Shield Handle [H] (1) 8’ Ground Cable/Clamp Assembly [B] (1) Shield Handle Retaining Plug [J] (1) Shielding Gas Regulator [C] (1) Hammer Brush [K] (1) 4.6’...

  • Page 4: Specifications

    If the Duty Cycle is exceeded, and the built-in Breaker is tripped, allow the unit to cool for a minimum of 15 minutes. When a safe temperature has been reached, the Welder can be switched back on. To increase the duty cycle, turn down the Voltage Output control. Going above 65 Amps will yield a lower Duty Cycle. Eastwood Technical Assistance: 800.343.9353 >> tech@eastwood.com...

  • Page 5: Safety Information

    SAFETY INFORMATION IMPORTANT NOTE: These instructions are intended only to provide the user with some familiarity of the Eastwood MIG 90. Electric Welding is a highly complex procedure with many variables. If you have no prior experience with Electric Welding, it is extremely important to seek the advice of someone experienced in...

  • Page 6: Cylinders Can Explode If Damaged

    • Use only correct shielding gas cylinders, regulators, hoses and fittings designed for the specific application; maintain them and all related components in good condition. • Keep protective cap in place over valve except when cylinder is in use. • Use proper equipment, procedures and have adequate help when moving or lifting cylinders. Eastwood Technical Assistance: 800.343.9353 >> tech@eastwood.com...

  • Page 7: First Aid

    CONNECTING THE WELDER TO A POWER SOURCE The Eastwood MIG 90 Welder requires a dedicated 120 VAC, 20 AMP, 60HZ grounded outlet protected by a circuit breaker. The plug installed on the Welder is a NEMA 5-15P and should be used with a NEMA 5-15R receptacle. If using an extension cord, use a minimum 12 AWG cord for up to 50 feet.
  • Page 8 Wire Feed Spindle Wire Feed Tube Wire Drive Roller VII. Wire Tensioner VIII. Wire Speed Chart FIG. 3 FIG. 3 FIG. 2 FIG. 2 VII VII VI VI III III IV IV II II VIII VIII Eastwood Technical Assistance: 800.343.9353 >> tech@eastwood.com...
  • Page 9 MIG 90 WELDER SET-UP FIG. 4 FIG. 4 The Eastwood MIG 90 is factory set-up for MIG Welding use with Solid Wire (0.023” included) and Shielding Gas (not included). This set-up includes the proper polarity (DCEP) and the Drive Roller set for 0.023”...
  • Page 10 • Connect the fitting end of the Shielding Gas Line [D] included with the Eastwood MIG 90 to the fitting on the Regulator and wrench tighten until snug. • Slip the hose clamp over the other end with no fitting, and then connect it to the barbed fitting on the rear of the Eastwood MIG 90 and tighten the hose clamp until snug with a screwdriver (FIG 2).
  • Page 11 INSTALLING THE WIRE SPOOL FIG. 7 FIG. 7 The Eastwood MIG 90 can be used only with a 4” wire spool which fits directly on the Spool Shaft. TO INSTALL A 4” WIRE SPOOL • Open the top lid of the Welder and remove the Spool Retaining Wingnut and Spacer from the Wire Spool Spindle (FIG 7).
  • Page 12 - Repeat the above step until wire is feeding smoothly with no binding or slippage. Once the wire exits the end of the MIG Gun, reinstall the contact tip and nozzle. Cut the wire about 1/4” from the end of the contact tip. Eastwood Technical Assistance: 800.343.9353 >> tech@eastwood.com...
  • Page 13 The Eastwood MIG 90 Wire Drive Roller has twin grooves to accommodate both 0.023” [0.6mm] and 0.030”/ [0.8mm] wire. The MIG 90 Drive Roller is factory set and up ready to use 0.023” (0.6mm) solid wire. IMPORTANT NOTE: In this position, the narrower, 0.023”/ [0.6mm grove is outboard, under the wire while the 0.6 marking for the narrower 0.023”...
  • Page 14 OVERLOAD PROTECTION The Eastwood MIG 90 Welder is equipped with an overload protection. This device will protect the Welder if the duty cycle is exceeded. If the output is exceeded, the breaker will trip, the AMBER Overtemp Indicator will illuminate and cut off the power supply to the drive motor and MIG Gun although the fan will still run to cool the unit.
  • Page 15 • Electric welding heats metal and tools to temperatures that will cause severe burns! • Use protective, heat resistant gloves and clothing when using Eastwood or any other welding equipment. Never touch welded work surface, MIG Gun tip or nozzle until they have completely cooled.
  • Page 16 • When finished welding, the Valve on the Gas Bottle must be closed. The Eastwood MIG 90 can be used to form many different joints and welds all of which will require practice and testing before using on an actual project piece.
  • Page 17 • Reassemble the MIG gun in reverse order. FIG. 17 FIG. 17 Drive Motor Top Cover FIG. 18 FIG. 18 FIG. 19 FIG. 19 To order parts and supplies: 800.343.9353 >> eastwood.com...
  • Page 18 " • Now the torch can be fully removed, and the new assembly installed in the " " " " reverse order. FIG. 22 FIG. 22 FIG. 23 FIG. 23 FIG. 24 FIG. 24 Eastwood Technical Assistance: 800.343.9353 >> tech@eastwood.com...

  • Page 19: Welding Techniques

    Either of these techniques will create strong welds but in some cases the Stringer or Weave type will create a more aesthetically pleasing weld bead. • Once the entire weld has been completed, allow the metal to cool. If necessary, follow up with a flap disc to grind the weld bead flush. To order parts and supplies: 800.343.9353 >> eastwood.com...

  • Page 20: Types Of Weld Joints

    TEE WELD is a joint between two pieces where one is perpendicular PLUG WELD is a joint which joins two overlapping pieces by filling to the other. in a hole punched in the top piece. Eastwood Technical Assistance: 800.343.9353 >> tech@eastwood.com...

  • Page 21: Troubleshooting

    TROUBLESHOOTING PROBLEM CAUSE CORRECTION Welder not plugged into proper power Check power supply. The MIG 90 requires a properly grounded, 120 Volt AC, supply 20 Amp power supply. Facility power source breaker tripped Reset breaker. Welder Will Not Welder Breaker tripped Reset breaker at rear panel.
  • Page 22 TROUBLESHOOTING PROBLEM CAUSE CORRECTION Check power supply. The MIG 90 requires a properly grounded, 120 Volt AC, Incorrect input voltage 20 Amp power supply. Check drive roller size and install drive roller as required to match wire size Wrong size drive roller groove being run.
  • Page 23 NOTES To order parts and supplies: 800.343.9353 >> eastwood.com...

  • Page 24: Consumable Items

    If you have any questions about the use of this product, please contact The Eastwood Technical Assistance Service Department: 800.343.9353 >> email: tech@eastwood.com PDF version of this manual is available at eastwood.com The Eastwood Company 263 Shoemaker Road, Pottstown, PA 19464, USA 800.343.9353 eastwood.com © Copyright 2021 Eastwood Automotive Group LLC 9/21...

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58015Mig 90 welder

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