Harbor Freight Tools 3664 User Manual
MIG 200 AMP WELDERMIG 200 AMP WELDER
®
MIG 200 AMP WELDER
MIG 200 AMP WELDERMIG 200 AMP WELDER
03664
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
Copyright© 2003 by Harbor F reight 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
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Save This Manual
You will need the manual for the safety warnings and precautions, assembly instructions,
operating and maintenance procedures, parts list and diagram. Keep your invoice with this
manual. Write the invoice number on the inside of the front co ver. Keep the man ual and
invoice in a safe and dry place for future reference.
Safety Warnings and Precautions
WARNING: When using tool, basic safety precautions should alwa ys be f ollowed to reduce the risk of personal injury and damage to equipment.
Read all instructions before using this tool!
1. Keep work area clean. Cluttered areas invite injuries.
2. Observe work area conditions. Do not use machines or power tools in damp or wet
locations. Don’t expose to rain. Keep work area well lighted. Do not use electrically
powered tools in the presence of flammable gases or liquids.
3. Keep children away . Children must ne ver be allow ed in the work area. 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 e xceed the tool capacity .
6. Do not overreach. Keep proper footing and balance at all times. Do not reach over or
across running machines.
7. Dress properly. Do not wear loose clothing or jewelry as they can be caught in moving
parts. Protective, electrically non-conductive clothes and non-skid footwear are
recommended when working. Wear restrictive hair cov ering to contain long hair.
REV 06/05
Page 2SKU 03664 For technical questions, please call 1-800-444-3353.
8. Use the right tool for the job. Do not attempt to force a small tool or attachment to do
the work of a larger industrial tool. There are certain applications for which this tool was
designed. Do not modify this tool and do not use this tool for a purpose for which it was
not intended.
9. Use eye and ear protection. Always wear ANSI approved, arc shaded, impact safety
full face shield (not included) when arc welding. Wear an ANSI approved dust mask or
respirator when working around metal, chemical dusts, fumes and mists.
10. Maintain tools with care. Keep tools sharp and clean for better and saf er performance.
Follow instructions for lubricating and changing accessories. Inspect tool cords
periodically and, if damaged, have them repaired by an authorized technician. The
handles must be kept clean, dry, and free from oil and grease at all times.
11. Disconnect power. Unplug tool when not in use.
12. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches are
removed from the tool or machine work surface before plugging it in.
13. Av oid 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 y our finger on the trigger , whether it is
plugged in or not.
14. Stay alert. Watch what y ou are doing, use common sense. Do not operate any tool when
you are tired.
15. Check for damaged parts. Before using any tool, an y part that appears damaged should
be carefully checked to determine that it will operate properly and perform its intended
function. Chec k for alignment and binding of moving parts; any brok en parts or mounting
fixtures; and any other condition that ma y affect proper operation. Any part that is damaged
should be properly repaired or replaced by a qualified technician. Do not use the tool if
any switch does not turn On and Off properly.
16. Guard against electric shock. Prevent body contact with grounded surfaces such as
pipes, radiators, ranges, and refrigerator enclosures.
17. Replacement parts and accessories. When servicing, use only identical replacement
parts. Use of any other parts will void the warranty. Only use accessories intended for
use with this tool. Approved accessories are available from Harbor Freight Tools.
18. Do not operate tool if under the influence of alcohol or drugs. Read warning labels
on prescriptions to determine if your judgment or reflexes are impaired while taking drugs.
If there is any doubt, do not operate the tool.
19. Maintenance. For your saf ety, service and maintenance should be performed regularly
by a qualified technician.
20. Use proper size and type extension cord. If an extension cord is required, it must be of
the proper size and type to supply the correct current to the tool without heating up.
Otherwise, the extension cord could melt and catch fire, or cause electrical damage to
the tool. This tool requires use of an 220 VAC extension cord of 20 amps minimum
capability (up to 30 feet), with wire size r ated at 10 AWG. Longer e xtension cords require
larger size wire. If you are using the tool outdoors, use an extension cord rated for outdoor
use (signified by “WA” on the jacket).
Page 3SKU 03664 For technical questions, please call 1-800-444-3353.
21. Pacemaker safety warning. People with pacemakers should consult with their
physician(s) before using this product; operation of equipment in close proximity to a
heart pacemaker could cause interference or failure of the pacemak er.
22. Use tools with both hands when required. Many tools such as chain saws, drills,
routers, and welders, etc., require the use of both hands when operating. This helps
maintain tool stability and keeps hands away from the working area of the tool.
Note: Performance of this tool may vary depending on variations in local line voltage. Extension cord usage may also affect tool performance.
Warning: The warnings, cautions, and instructions discussed in this instruction manual
cannot cover all possible conditions and situations that may occur. It must be understood by the operator that common sense and caution are factors which cannot be
built into this product, b ut m ust be supplied b y the operator.
Arc Welding Safety Warnings and Precautions
Warning: This product, when used for welding and similar applications, produces chemicals known to the State of California to cause cancer and birth defects (or other reproductive harm). California Health & Safety Code 25249.5, et seq.
1. Avoid electrical shock. Do not permit electrically live par ts, cables, or electrodes to
contact skin, clothing, or gloves. Protective clothing should be free of holes, dry, and
ANSI approved.
This unit draws enough current to cause serious injury or death. Before turning the welder
on, check the electrode holder to be sure that there are no protruding screw heads, and
that all insulation is secure. Do not weld unless you are insulated from ground and the
work piece.
2. Avoid breathing fumes or gases. They can cause serious health problems. Use an
active ventilation system directly above the welding area. Keep your head out of the
fumes.
Inhalation Hazard
Welding Pr oduces T O XIC FUMES and GASSES.
Exposure to welding gasses can increase the risk of developing
certain cancers, such as cancer of the larynx and lung cancer . Also,
some diseases that may be linked to exposure to welding gasses or
fumes are:
• Early onset of Parkinson’s Disease • Heart Disease
• Damage to the reproductive organs • Ulcers
• Inflammation of the small intestine or stomach • Kidney damage
• Respiratory diseases such as emphysema, bronchitis or pneumonia
Safety precautions, such as using natural or forced air ventilation and
wearing an ANSI approved respirator , are ESSENTIAL to reduce the risk
of developing the above illnesses.
REV 06/04
Page 4SKU 03664 For technical questions, please call 1-800-444-3353.
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