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Page 5SKU 54878
For technical questions, please call 1-800-444-3353.
Assembly
1. Attach the Handle (30) to the Cover (31) using screw (29) inserted from the Handle top-
rear. Refer to the photo at the top of page 6, and the Assembly Drawing on page 10.
2. Attach the Cover Locking Spring (8) to the front of the Base Frame (14) using the supplied
self-tapping screw.
Unpacking
When unpacking, check to make sure the following parts are included.
Wire Spool and Spare
Welding Tip not shown
Torch (1)
MIG-100 Welder
Power Cord
Ground Cable
If any parts are missing or broken, please call Harbor Freight Tools at the number on the
cover of this manual as soon as possible.
3. Avoid eye and body damage. Welding rays and infrared radiation can 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 a face shield with arc-shaded filter plate.
4. Know proper welding practices. Read and understand the manufacturer’s instructions,
as well as your employer’s safety practices for welding.
5. Connect only to a code approved power source. Connect only to a grounding power
source conforming to the National Electrical Code and Local Codes.
6. Avoid fire and explosion. Remove flammable and explosive material from at least 35
feet from the welding site to prevent welding sparks or molten metal from starting a fire.
Keep a type ABC fire extinguisher within easy reach. Thoroughly clean the object being
welded of any paint, grease, or other foreign material.
7. Avoid being burned. Always wear ANSI-approved welding gear: leather gloves, leather
apron, and shoes.