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SKU 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 safer 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.

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 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
fixtures; and any other condition that may 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 safety, 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 rated at 10 AWG. Longer extension 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).

Summary of Contents for 3664

Page 1: ...rillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2003 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced i...

Page 2: ...rating 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 plac...

Page 3: ...hould 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 fixtures and any ot...

Page 4: ...failure of the pacemaker 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 s...

Page 5: ...Wear ANSI approved arc shaded impact safety full face shield and body protection Do not allow viewing by visitors without proper eye and body protection 4 Know proper arc welding practices Read and un...

Page 6: ...Axis Mechanism See photo on next page 7 Guide the welding wire into the Wire Routing Housing until it passes the Feed Control Wheel and into the Torch Cable 8 Connect a 220 VAC plug not supplied to th...

Page 7: ...wire feed If the wire is not feeding properly It may also be necessary to increase the tension of the Wire Tension Control knob by turning it clockwise 12 Release the Trigger Switch and flip the Power...

Page 8: ...ing the Torch Handle with electrode wire clearly out of the way of any grounded objects turn the Power Switch to the ON I position 6 Momentarily press the Torch Trigger Switch to test the wire feed sp...

Page 9: ...P n o i t p i r c s e D t r a P n o i t p i r c s e D t r a P n o i t p i r c s e D 1 e s a C 7 1 l o o p S e r i W 2 3 l e n a P 2 r e v o C g n i d l o F 8 1 e k a r B 3 3 l o r t n o C n o i s n e...

Page 10: ...ram NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts This diagram and the parts list that preceded it show the major componen...

Page 11: ...SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OFTHE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND...

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