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SKU 3223

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

Specifications

Welding Process

Resistance Weld

Power Requirement

120 V~, 60 Hz, ~40 A Peak

Recommended 

Circuit

20 A (dedicated)

Switch

Pushbutton, momentary

Circuit Breaker

Pushbutton reset; Rating: 125/250 VAC, 60 Hz, 10 amp

Stud Weld Time

0.5 to 1.0 seconds

Line Cord

6 foot, 3-prong plug, UL listed

Weight

10.1 lb.

Accessories

- Bag: 100 each 2mm, 3mm, 4mm studs; steel with copper coating

- 2 lb. slide hammer dent puller

- One of each nozzle (2mm, 3mm, 4mm)

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 clean

1. 

.  Cluttered areas invite injuries.

Observe work area conditions

2. 

.  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.
Keep children away

3. 

.  Children must never be allowed in the work area.  Do not let them 

handle machines, tools, or extension cords.
Store idle equipment

4. 

.  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 job

5. 

. 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  properly

6. 

.    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.
Do not overreach

7. 

.  Keep proper footing and balance at all times. Do not reach over or 

across running machines.

REV 04b, 04e, 07e

Summary of Contents for 3223

Page 1: ...ghts 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 03223 Distributed exclusively by Harbor Freight Tools Cover Rev 06f 07e To prevent serious injury read and understand all warnings and instructions before u...

Page 2: ...n 1 Cluttered areas invite injuries Observe work area conditions 2 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 Keep children away 3 Children must never be allowed in the work area Do not let them handle machines tools or extension cords Store idle equ...

Page 3: ...not use the tool if any switch does not turn On and Off properly 15 Guard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures 16 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 acc...

Page 4: ...ntestine 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 Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situ...

Page 5: ...ady press in on the Trigger Switch momentarily from 5 0 5 to 1 second Release the Trigger Switch Trigger Switch Circuit Breaker Reset Stud Electrode Electrode Assembly 6 Pull the Stud Welder directly back leaving the welded stud in place There should be less than 1 4 inch discoloration around the weld Place and tighten the Slide Hammer head onto the welded stud by turning the head 7 roller toward ...

Page 6: ...Hold trigger longer 1 Clean of replace both 2 Clean surface to metal 3 Circuit breaker continues to trip Circuit rating not large enough 1 Electrical fault in Welder 2 Connect to 20 A dedicated circuit 1 Have qualified technician service 2 welder Weld is burning through the metal Weld time is too long 1 Using incorrect stud 2 Dirty electrode 3 Shorten weld time 1 Replace stud with correct size 2 C...

Page 7: ...uit Breaker 120 VAC 1 16 Screw Roundhead 10 32x7 8 2 17 Trigger Boot 1 18 Trigger Switch 1 19 Line Cord 120 VAC 1 20 Case Left 1 21 Nut hex 10 32 8 22 Insulator Nomex 1 23 Transformer 120 VAC 1 24 Screw hex head cap 1 4x20x3 4 1 25 Washer flat SAE 1 4 4 26 Case right 1 27 Screw round head 10 32x1 3 4 6 28 Strap Braided 1 29 Washer Split Lock 1 4 2 30 Nut hex 1 4x20 2 31 Washer Flat brass 5 16 2 32...

Page 8: ... OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODU...

Page 9: ...intenance We shall in no event be liable for death injuries to persons or property or for incidental contingent spe cial or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express o...

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