Chicago Electric 3663 User Manual
BANDSAW BLADE WELDER
Model
3663
SET UP AND OPERATING INSTRUCTIONS
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 2003 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 or replacement parts, please call 1-800-444-3353.
Revised 03d, 07k
SPECIFICATIONS
Power Requirements 220 V~, 1-Phase, 60 Hz, 6 A
( Only use on a 20 amp circuit)
Welding Current 280 A
Welding Blade Sizes 1/8” to 1/2”
Maximum Jaw Movement .137”
Note: Grinder not included.
Note: Performance of this tool (if powered by line voltage) may vary depending on variations
in local line voltage. Extension cord usage may also affect tool performance.
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 cover. Keep the manual and invoice in a safe and dry
place for future reference.
SAFETY WARNINGS AND PRECAUTIONS
WARNING: When using tool, basic safety precautions should always be followed to reduce
the risk of personal injury and damage to equipment.
Read all instructions before using this tool!
Keep work area clean1. . Cluttered areas invite injuries.
Observe work area conditions2. . Do not use the Welder in damp or wet locations. Don’t ex-
pose to rain. Keep work area well lighted. Do not use electrically powered tools in the presence
of ammable gases or liquids.
Keep children away3. . Children must never be allowed in the work area. Do not let them handle
machines, tools, or extension cords.
Store idle equipment4. . 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.
Use the right tool for the job5. . 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.
It will do the job better and more safely at the rate for which it was intended. Do not modify this
tool and do not use this tool for a purpose for which it was not intended.
Dress properly6. . 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 covering to contain long hair. Always wear heavy-duty leather
gloves when handling bandsaw blades.
REV 07j
Page 2SKU 3663 For technical questions, please call 1-800-444-3353.
Inhalation Hazard
Welding/Plasma Cutting Produces TOXIC FUMES and GASSES.
Exposure to welding or cutting 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 or plasma cutting gasses or fumes are:
• Early onset of Parkinson’s Disease • Heart Disease
• Damage to the reproductive organs • Ulcers
• Inammationofthesmallintestineorstomach • 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.
7. Use eye and ear protection. Always wear ANSI approved impact safety goggles. Wear a full
face shield if you are producing metal lings. Wear an ANSI approved dust mask or respirator
when working around metal and chemical dusts and mists.
Do not overreach8. . Keep proper footing and balance at all times. Do not reach over or across
running machines.
Maintain tools with care9. . Keep tools clean for better and safer performance. Follow instruc-
tions for lubricating and changing accessories. Inspect tool cords periodically and, if damaged,
have them repaired by an authorized technician. The handle must be kept clean, dry, and free
from oil and grease at all times.
Disconnect power10. . Unplug tool when not in use.
Avoid unintentional starting11. . Be sure the buttons are not depressed when not in use and
before plugging in.
Stay alert12. . Watch what you are doing, use common sense. Do not operate any tool when you
are tired.
Check for damaged parts13. . Before using any tool, any part that appears damaged should be
carefully checked to determine that it will operate properly and perform its intended function.
Check for alignment and binding of moving parts; any broken parts or mounting xtures; and
any other condition that may affect proper operation. Any part that is damaged should be prop-
erly repaired or replaced by a qualied technician. Do not use the tool if any button does not
turn On and Off properly.
Guard against electric shock14. . Prevent body contact with grounded surfaces such as pipes,
radiators, ranges, and refrigerator enclosures.
Replacement parts and accessories15. . 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.
Donotoperatetoolisundertheinuenceofalcoholordrugs16. . Read warning labels if tak-
ing prescription medicine to determine if your judgement or reexes are impaired while taking
drugs. If there is any doubt, do not operate the Welder.
Page 3SKU 3663 For technical questions, please call 1-800-444-3353.
Use proper size and type extension cord17. . 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 re, or cause electrical damage to the tool. This tool re-
quires use of an extension cord of 20 amps capability (up to 50 feet), with wire size rated at 12
AWG. Longer extension cords require larger size wire. If you are using the tool outdoors, use an
extension cord rated for outdoor use (signied by “WA” on the jacket).
Maintenance18. . For your safety, maintenance should be performed regularly by a qualied tech-
nician.
This product, when used for welding and similar applications, produces chemicals known to the 19.
State of California to cause cancer and birth defects (or other reproductive harm). (California
Health & Safety Code § 25249.5, et seq.)
The warnings, cautions, and instructions discussed in this instruction manual cannot cover all 20.
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, but must be sup-
plied by the operator.
UNPACKING
When unpacking, check to make sure that the item is intact and undamaged. If any parts are
missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as
soon as possible.
ASSEMBLY
This step should only be performed by a licensed electrician. Acquire an appropriate 220 V~,
1-Phase plug to t in the electrical outlet. Connect the plug, making sure that the black wire is the energized (hot) lead, the white wire is the other energized (hot) lead, and the green wire is the ground lead.
See the wiring diagram on page 8.
Light
Annealing Button
Pressure Knob
Left Electrode
Power Cord
Left Hand Clamp
Light Switch
FIGURE 1
Welding Button
Right Electrode
Right Hand Clamp
REV 04e, 04f, 07k
Page 4SKU 3663 For technical questions, please call 1-800-444-3353.
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