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FIG. 9

FIG. 9

FIG. 10

FIG. 10

THREADING WELDING WIRE THROUGH THE 

DRIVE MOTOR TO THE WELDING GUN

This Welder uses wire sizes ranging from 0.023” to 0.030” (0.6mm to 0.8mm).  
To safely and correctly install the welding wire; follow the procedure in the  
sequence outlined below:

1. 

Turn the Power Switch on the Upper rear Panel to the “OFF” position and unplug 
the Welder from the power supply.

2. 

Using the included Contact Tip Wrench 

[N] 

Remove the Contact tip and Nozzle 

from the end of the MIG Gun.

3. 

Make sure that the drive roller is installed in the proper position in accordance 
with the wire size being used. As Described in “POSITIONING DRIVE ROLLER  
for WIRE SIZE” section of these instructions.

4. 

Flip the Wire Tensioner upward, pivot it up and out of the way then pivot the  
Tension Arm out away from the Drive Roller 

(FIG 9)

5. 

Pull out the welding wire from the wire spool carefully. 

IMPORTANT NOTE:

 DO NOT let go of the wire or the entire spool could unravel.

6. 

Cut off the small piece of the curved segment at the front of welding wire and 
straighten the welding wire approximately 3.0” long.

7. 

Thread the welding wire feeding from the topside of the spool and forward 
through the Guide Tube then over the wire Drive Roller and into the Wire Feed 
Hole 

(FIG 10)

.

8. 

Replace the Tension Arm and re-latch the Wire Tensioner back into place  

(FIG 11)

.

9. 

Connect the Welder to a power supply and Turn the ON/OFF Switch at the upper 
rear panel to the “ON” position. Set the Wire Speed Control to about 212 IPM.

10. 

With the gun pointed away from yourself and others, depress the trigger to begin 
feeding wire. When not welding, the welder will assume wire is being fed and the 
wire speed potentiometer will be disabled. The welder will automatically start a 
slow feed, and after a few seconds of the trigger being held, it will switch to a 
fast feed to get the wire completely through the torch faster.  

NOTE:

 The Wire Tensioner may need to be set. To do so:

  -  Watch the drive roller to see if any slipping is occurring between the roller  

  and the wire. If so; turn the machine off, unplug it and tighten the Wire  
  Tensioner 1⁄4 turn and test again.

  -  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.

FIG. 11

FIG. 11

ELECTRIC SHOCK CAN CAUSE INJURY OR DEATH! 

  This procedure requires that the Welder power be switched ON. 

DO NOT make contact with the wire when the MIG Gun Trigger  
is depressed.

Summary of Contents for MIG 90

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

Page 2: ...stwood Auto Darkening Helmet Concours 2 HVLP Paint Gun Items not covered under this warranty Consumables unless deemed defective are not covered by the 2 year warranty Abuse neglect and lack of mainte...

Page 3: ...ed A 1 8 Ground Cable Clamp Assembly B 1 Shielding Gas Regulator C 1 4 6 Shielding Gas Hose D 1 Hose Clamp E 1 Handheld Welding Face Shield F 1 Shield Lens G 1 Shield Handle H 1 Shield Handle Retainin...

Page 4: ...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...

Page 5: ...on the labeling and all other information provided with this product READ INSTRUCTIONS Thoroughly read and understand this manual before using Save for future reference ELECTRIC SHOCK CAN CAUSE INJUR...

Page 6: ...er organs Use enough ventilation and or exhaust at the arc to keep fumes and gases from your breathing area Use an OSHA approved respirator when welding in confined spaces or where there is inadequate...

Page 7: ...roved respirator when grinding or sanding Read all manuals included with specific grinders sanders or other power tools used before and after the welding process Be aware of all power tool safety warn...

Page 8: ...ndicator Illuminates GREEN when the ON OFF Switch is ON e MIG Gun Connection Fixed f Negative Ground Connection Lead DCEN g Short Integral Ground Connection Lead h Positive Ground Connection DCEP REAR...

Page 9: ...e the 11 Glass Shade G Lens under the Retaining Clips at the inside of the Shield F FIG 4 Snap the Handle H into its receptacle from the Back of the shield seating it fully and firmly FIG 4 Press the...

Page 10: ...te help when moving or lifting cylinders A Shielding Gas Bottle is NOT INCLUDED with the Eastwood MIG 90 but is necessary to weld using Solid Wire It can be bought at most local Welding Supply Stores...

Page 11: ...e of the spool slide the 4 Wire Spool onto the Spindle and reinstall the Spacer and the Spool Retaining Wingnut FIG 8 DO NOT unravel wire at this point SETTING THE WIRE TENSION ADJUSTER To set the ten...

Page 12: ...topside of the spool and forward through the Guide Tube then over the wire Drive Roller and into the Wire Feed Hole FIG 10 8 Replace the Tension Arm and re latch the Wire Tensioner back into place FIG...

Page 13: ...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 w...

Page 14: ...nders from sparks and arc rays OPERATING THE MIG 90 WELDER OVERLOAD PROTECTION The Eastwood MIG 90 Welder is equipped with an overload protection This device will protect the Welder if the duty cycle...

Page 15: ...lding 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 su...

Page 16: ...e welding on an actual project can begin Refer to the Suggested Settings chart which is located inside the top panel Fig 3 of the Eastwood Welder From the chart select the baseline starting point for...

Page 17: ...ll be important for reassembly The brass fitting attached to the end of the liner must be unfastened from the valve trigger body fully using a 10mm wrench This end of the liner is now prepared for rem...

Page 18: ...bottle valve is closed then simultaneously push in the blue ring on the gas hose fitting to release the gas hose while pulling it out Fig 21 Release the latch and pull the MIG gun trigger connector of...

Page 19: ...g around to spread out the heat making sure not to get one section too hot warping the metal Once the entire weld has been completed allow the metal to cool If necessary follow up with a flap disc to...

Page 20: ...int between two pieces where the edges are being joined TEE WELD is a joint between two pieces where one is perpendicular to the other CORNER WELD is a joint between two pieces that meet at or near pe...

Page 21: ...tes cooling welder then re try Wire Binding Up Ahead of Drive Feed Rolls Wire tension set too high Loosen drive roller tension Wire Burning Back to Contact Tip Drive motor wire tension is insufficient...

Page 22: ...ze or worn contact tip Replace the contact tip for one of correct size or new condition Shielding Gas Not Flowing Out of MIG Gun Gas regulator not opened enough Open gas flow knob further to allow mor...

Page 23: ...To order parts and supplies 800 343 9353 eastwood com 23 NOTES...

Page 24: ...ompany 263 Shoemaker Road Pottstown PA 19464 USA 800 343 9353 eastwood com ACCESSORIES CONSUMABLE ITEMS 12211 0 023 Contact Tips 5 Pack 12224 0 030 Contact Tips 5 Pack 12210 Nozzle 20000 MIG Consumabl...

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