Forney 220 ST Operating Manual Download Page 4

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WARRANTY ..........................................................................................................................................................................3

TABLE OF CONTENTS ............................................................................................................................................................4

SYMBOLS LEGEND ................................................................................................................................................................5

SAFETY SUMMARY ...............................................................................................................................................................5

PRINCIPAL SAFETY STANDARDS .....................................................................................................................................5

CALIFORNIA PROPOSITION 65 WARNING .....................................................................................................................6

EMF INFORMATION .......................................................................................................................................................6

PERSONAL PROTECTION ...............................................................................................................................................6

FIRE PREVENTION ..........................................................................................................................................................7

HIGH FREQUENCY RADIATION ......................................................................................................................................8

ARC WELDING ..............................................................................................................................................................8

ELECTRIC SHOCK ...........................................................................................................................................................8

NOISE ...........................................................................................................................................................................9

ADDITIONAL SAFETY INFORMATION .............................................................................................................................9

INSTALLATION ....................................................................................................................................................................10

WELDER SPECIFICATIONS  ...........................................................................................................................................10

SITE SELECTION  ..........................................................................................................................................................10

POWER SOURCE CONNECTION..................................................................................................................................10

GENERATORS ..............................................................................................................................................................11

EXTENSION CORDS .....................................................................................................................................................11

VENTILATION ..............................................................................................................................................................11

ADDITIONAL WARNINGS ............................................................................................................................................11

GETTING TO KNOW YOUR WELDER ....................................................................................................................................12

DESCRIPTION ..............................................................................................................................................................12

WELDER LAYOUT AND CONTROLS ..............................................................................................................................12

OPERATION ........................................................................................................................................................................14

PERFORMANCE DATA PLATE & DUTY CYCLE .................................................................................................................14

INTERNAL THERMAL PROTECTION ...............................................................................................................................14

WELDING PREPARATION..............................................................................................................................................15

SETUP FOR STICK WELDING (SMAW) ...........................................................................................................................15

SETUP FOR TIG WELDING (GTAW) WITH LIFT ARC ........................................................................................................16

GAS SELECTION ..........................................................................................................................................................16

MAINTENANCE & SERVICING .............................................................................................................................................17

GENERAL MAINTENANCE ...........................................................................................................................................17

TROUBLESHOOTING ...........................................................................................................................................................17

MACHINE PARTS DIAGRAM & REPLACEMENT PARTS LIST .....................................................................................................19

TIG TORCH & TIG CONSUMABLES LIST (SOLD SEPARATELY) ..................................................................................................20

USER NOTES ......................................................................................................................................................................21

Box Contents

Table of Contents

Summary of Contents for 220 ST

Page 1: ...ITEM 430 REV 08 08 2019 220 ST STICK TIG ARC WELDER OPERATING MANUAL ENGLISH...

Page 2: ...solutions to our customer s needs Above all our employees will provide the same respect and caring attitude within the organization as they are expected to share with every Forney customer Our goal wi...

Page 3: ...epair or replace defective products at no charge to you When you call Forney s Technical Service department you will speak to a trained product and application expert Forney s primary goal is to get y...

Page 4: ...URCE CONNECTION 10 GENERATORS 11 EXTENSION CORDS 11 VENTILATION 11 ADDITIONAL WARNINGS 11 GETTING TO KNOW YOUR WELDER 12 DESCRIPTION 12 WELDER LAYOUT AND CONTROLS 12 OPERATION 14 PERFORMANCE DATA PLAT...

Page 5: ...your state OSHA office or U S Dept of Labor OSHA Office of Public Affairs Room N3647 200 Constitution Ave Washington DC 20210 www osha gov AWS F4 1 SAFE PRACTICES FOR THE PREPARATION FOR WELDING AND C...

Page 6: ...es are not strictly observed THE WELDING ARC PRODUCES VERY BRIGHT ULTRAVIOLET AND INFRARED LIGHT THESE ARC RAYS WILL DAMAGE YOUR EYES AND BURN YOUR SKIN IF YOU ARE NOT PROPERLY PROTECTED To reduce the...

Page 7: ...improve ventilation in the welding area Do not resume welding if physical discomfort persists Fire Prevention FIRE OR EXPLOSION CAN CAUSE DEATH INJURY AND PROPERTY DAMAGE To reduce these risks read un...

Page 8: ...sher nearby High Frequency Radiation High Frequency H F can interfere with radio navigation safety services computers and communication equipment It is the user s responsibility to have a qualified el...

Page 9: ...und shoulders or any other part of the body when they are plugged into the welder Do not modify any wiring ground connections switches or fuses in this welding equipment Wear welding gloves to help in...

Page 10: ...tings label of your welder The main power supply voltage should be within 10 of the rated main power supply voltage Too low a power supply voltage may cause poor welding performance Too high a power s...

Page 11: ...electing an extension cord appropriate for use with your specific welder Select a properly grounded extension cord that will mate directly with the AC power source receptacle and the welder INPUT POWE...

Page 12: ...there is a general welding or machine fault 5 SECONDARY PARAMETER KNOB SELECTOR for the function selection a PULSE Hz Frequency Pulses per second or Hertz b PULSE On Balance at Peak Amperage Peak c A...

Page 13: ...13 WWW FORNEYIND COM 1 1a 5a 1b 5b 1c 5c 4 3 2 REAR VIEW OF FORNEY 220 ST PRO WELDER 11 12 13 FRONT VIEW OF FORNEY 220 ST PRO WELDER 6 7 8 9 5 10...

Page 14: ...o the duty cycle Various duty cycles at other amperages are listed on your data plate Example Data Plate If you exceed the duty cycle of the welder the thermal protection system will engage shutting o...

Page 15: ...ATIVE DINSE SOCKETS accordingly Direct current electrode positive DCEP or direct current reverse polarity DCRP electrode holder in POSITIVE DINSE SOCKET ground clamp in NEGATIVE DINSE SOCKET Most elec...

Page 16: ...c Use pedal or torch to adjust output amperage while working REMEMBER TO CLOSE THE VALVE ON THE GAS CYLINDER IMMEDIATELY AFTER ALL WELDING IS COMPLETED Welding Tips Always weld clean dry and well prep...

Page 17: ...GSTEN DCEN Th La Ce AC La Ce AC Pure 040 10 50A 20 40A N A 1 16 40 120A 30 170A 30 90A 3 32 90 200A 60 180A 40 120A 1 8 150A 130A 100 200A This machine has a 7 pin Amphenol style connection for connec...

Page 18: ...able does not provide all possible solutions only those possibilities considered likely to be common faults PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION All LEDs OFF No output power Fan not operating No i...

Page 19: ...ircuit breaker trips Machine is drawing too much amperage due to use of larger size electrode Use a smaller electrode Machine is not the only piece of electrical equipment on the circuit Make sure the...

Page 20: ...ORNEYIND COM Machine Parts Diagram Replacement Parts List NO PART NUMBER ITEM DESCRIPTION 1 85668 Ground 50 Dinse 2 85670 Electrode Holder 50 Dinse 3 85516 120 230V Power Adaptor Plug 4 5084 Expert Te...

Page 21: ..._ ________________________________________________________________________________ ________________________________________________________________________________ ____________________________________...

Page 22: ..._ ________________________________________________________________________________ ________________________________________________________________________________ ____________________________________...

Page 23: ..._ ________________________________________________________________________________ ________________________________________________________________________________ ____________________________________...

Page 24: ...Forney Industries Inc 2057 Vermont Drive Fort Collins CO 80525 1 800 521 6038 www forneyind com...

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