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INSTALLING THE WIRE 

The MIG100 should be used with a 4

” wire spool only. To install the wire spool follow the procedure listed below:  

1.  Open the door of the welder and remove the wing nut 

(PIC. C1) 

and spacer from the Wire Spool Spindle.  

2.  Slide the 4

” Wire Spool onto the Wire Spindle and reinstall the spacer and wing nut. 

 

 

 
 

 
 
THREADING WELDING WIRE THROUGH THE DRIVE MOTOR TO THE WELDING GUN

 

This welder uses only self-shielding flux-core wire in either 0.030" or 0.035" size (0.8 or 0.9mm). To install the welding 
wire follow the procedure outlined below:  

1.  Turn the power switch to the off position and unplug the welder from the power supply.  
2.  Remove the contact tip and nozzle from the end of the torch.  
3.  Ensure that the drive roller is installed in the proper position for the wire size being used.  
4.  Unlock the Pressure Adjuster 

(PIC. C1) 

and lift up on the Rocker Arm 

(PIC. C2)

. Ensure that the wire drive 

roller is appropriate to the welding wire size see the previous section describing the installation of the drive 
roller. The drive roller comes installed for 0.035" (0.9mm) wire.  

5.  Pull out the welding wire from the wire spool carefully. 

NOTE: 

Do not let go of the wire or the entire spool could 

unravel.  

6.  Cut off a small piece of the curved segment at the front of welding wire and straighten the welding wire to 

approximately 3" long.  

7.  Thread the welding wire through the Guide Pipe 

(PIC. C4) 

and over the wire Drive Roller and into the torch 

hole.  

8.  Reattach the Rocker arm and reset the Pressure Adjuster.  
9.  Turn on the machine and set the wire speed.  
10.  With the gun pointed away from you and others, depress the trigger to begin feeding wire. 

NOTE: 

Watch the 

drive roller to see if any slippage is occurring between the roller and wire, if so, turn the machine off and tighten 
the Pressure Adjuster turn and test again.  

11.  Once the wire exits the end of the torch, install the contact tip and nozzle. Cut the wire about 1/4" from the end 

of the contact tip.

 

USAGE 

Your MIG100 can be used to perform a large number of different types of welds, all of which will require practice and 
testing before using on an actual project piece. This following welding process is just a baseline to get you started.  

1.  Connect your ground clamp to the work pieces that are to be welded. Make sure the ground clamp contacts are 

placed on a clean piece of metal free of paint, grease, rust, oils, etc. It is recommended to place your ground 
clamp as close to the weld area as possible.  

2.  Assess your weld area and make sure the welding area is also cleaned of any paint, grease, rust, oils, etc.  
3.  Plug in the welder and switch to the ON position.  
4.  Depress the Welding Gun trigger pointing the welding gun away from your body and then let go of the trigger 

and cut the wire back to ~1/4" stick out length.  

5.  Wearing your welding helmet, gloves, long sleeve shirt and pants, put the end of the wire sticking out of the gun 

into the joint to be welded.  

6.  Position the Welding Gun so that it is perpendicular to the base metal with 15~20° tilt back. 

 

                                         1-800-345-4545   jegs.com

 

C4 

Содержание MIG100

Страница 1: ...s in accordance with national state and local codes 6 Electric shock could kill 7 Disconnect from power source before assembling disassembly or maintenance of the torch or contact tip or changing wire spools 8 Fumes and welding gases can be dangerous 9 Welding sparks can cause fire or explosion 10 Arc rays can burn 11 Hot metal will burn 12 Electromagnetic fields may be dangerous WARNING PLEASE BE...

Страница 2: ...Page 2 1 800 345 4545 jegs com ...

Страница 3: ...12 AWG cord for up to 25 feet CHANGING THE DRIVE ROLLER The MIG100 comes set up and ready to use 0 035 0 9mm Flux Core Wire If 0 03 0 8mm wire is to be used the drive roller needs to be adjusted Adjust the drive roller according to the following procedure 1 Open the top door of the welder 2 Lift the Pressure Adjuster PIC C1 out of the way and move the Rocker Arm PIC C2 away from the drive roller 3...

Страница 4: ...Roller and into the torch hole 8 Reattach the Rocker arm and reset the Pressure Adjuster 9 Turn on the machine and set the wire speed 10 With the gun pointed away from you and others depress the trigger to begin feeding wire NOTE Watch the drive roller to see if any slippage is occurring between the roller and wire if so turn the machine off and tighten the Pressure Adjuster turn and test again 11...

Страница 5: ...d welding turn off the welder TROUBLE SHOOTING Problem Possible Causes Arc unable excessive spatter Welding output too high Torch moved too slowly Lack of weld penetration Welding output too low Torch moved too fast Input voltage too low Burning holes in work piece Welding output too high Torch moved too slowly Welder does not operate mains indicator not lit no arc produced Check main supply conne...

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