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®

MIG-100 WELDER

MIG-100 WELDER

MIG-100 WELDER

MIG-100 WELDER

MIG-100 WELDER

WITH THERMAL OVERLOAD

WITH THERMAL OVERLOAD

WITH THERMAL OVERLOAD

WITH THERMAL OVERLOAD

WITH THERMAL OVERLOAD

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at http://www.harborfreight.com

Copyright

©

 2004 by Harbor Freight Tools

®

.  All rights reserved. No portion of this

manual or any artwork contained herein may be reproduced in any shape or
form without the express written consent of Harbor Freight Tools.

For technical questions and replacement parts, please call 1-800-444-3353.

91124

REVISED 12/04

Summary of Contents for 91124

Page 1: ...NSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2004 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions and replacement parts please call 1 800 444 3353 91124 RE...

Page 2: ... Do not let them handle machines tools or extension cords 4 Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children 5 Do not force tool It will do the job better and more safely at the rate for which it was intended Do not use inappropriate attachments in an attempt to exceed the tool capacity ITEM DESCRIPTI...

Page 3: ... from the tool or machine work surface before plugging it in 13 Avoid unintentional starting Be sure the switch is in the Off position when not in use and before plugging in Do not carry any tool with your finger on the trigger whether it is plugged in or not 14 Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 15 Check for damaged parts Before using a...

Page 4: ...ust be under stood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Arc Welding Safety Warnings and Precautions Warning This product when used for welding and similar applications produces chemi cals known to the State of California to cause cancer and birth defects or other repro ductive harm California Health S...

Page 5: ...n injure eyes and burn skin Wear ANSI approved eye and body protection Do not allow viewing by visitors without proper eye and body protection Use the provided Face Shield with arc shaded filter plate 4 Know proper arc welding practices Read and understand the manufacturer s instructions as well as your employer s safety practices for arc welding 5 Connect only to a code approved power source Conn...

Page 6: ...carefully observe duty cycle limitations can easily over stress a welder s power generation system contributing to premature welder failure Many welders do not have internal protection systems that prevent this sort of over stress leaving the task to the owner or operator Operation The MIG 100 Welder is used to weld sheet metal and light carbon steel Cover Locking Spring 8 Cover 31 Handle 30 Wire ...

Page 7: ...eld over your eyes Warning Never look at the ignited arc without ANSI approved arc shaded eye protection in a full face shield Permanent eye damage or blindness can occur Skin burns can occur Never breath arc fumes 7 Press and hold the Torch button and stroke the area to be welded with the electrode wire to ignite the arc Never tap the electrode wire into the welding surface to ignite the arc This...

Page 8: ...ft the Cover 31 using Handle 30 to expose the Wire Feed Unit 23 2 Unscrew the Wing Nut 25 and remove the Reel Locking Knob 26 3 Remove the empty Wire Reel 27 4 Place the new Wire Reel over the shaft and onto the Reel Spring 24 The wire on the reel should unwind counterclockwise see photo above 5 Replace the Reel Locking Knob and the Wing Nut Tighten well 6 Lift the Wire Feed Adjusting Spring 36 to...

Page 9: ...he Trigger 15 Once the wire is exposed turn the welder OFF and unplug it 16 Slide the Contact Tip over the wire and screw it into Torch Handle 17 Replace the Nozzle and cut off any excess wire over two inches 18 Secure the Cover PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM INTHIS MANUAL AS A REFERENCETOOL ONLY NEITHERTHE MANUFACTURER NOR DI...

Page 10: ...4 16 Washer 4 17 Self tapping Screw ST4 2 13 4 18 Transformer Carriage 2 19 Thermostat 1 20 Transformer 1 Item Description Qty 21 Middle Partition Board 1 22 Overload Indicator Lamp 1 23 Wire Feed Unit 1 24 Reel Spring 1 25 Wing Nut M6 1 26 Reel Locking Knob 1 27 Wire Reel 1 28 Reel Holder 1 29 Self tapping Screw ST4 2 25 1 30 Handle 1 31 Cover 1 32 Power Cord 1 33 Ground Cable 1 34 Wire Feed Roll...

Page 11: ...Page 11 SKU 91124 Welder Assembly Drawing NOTE Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts ...

Page 12: ...Page 12 SKU 91124 35 34 36 35 23 19 28 24 20 23 11 Welder Assembly Photographs ...

Page 13: ...Page 13 SKU 91124 Wiring Schematic ...

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