Table of Contents

	Page.
Installation	Section A
Technical Specifications	A-1
Unpacking the Spool Gun	A-2
Fume Gun Familiarization	A-2
Assembly of Fume Gun Internal Parts	A-2, A-3
Safety Precautions	A-3
Compatibility of Welding Machines and Wire Feeders	A-3
Preparing the Fume Gun for Welding	A-3
Select and Install a Wire Feeder Connection K Kit	A-4
Select and Install Gun Consumable Parts	A-5
Connect the Gun to the Wire Feeder	A-6
Connect the Gun to the Fume Collection System	A-6

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OPERATION	Section B-1
Safety Precautions	B-1
Product Description	B-1
Selecting or Changing the Trigger Position	B-2
Prepare the Fume Gun for Welding	B-3
Load Specified Wire into the Gun	B-3
Make the Weld	B-3

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Accessories......................................................................................................Section C-1

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Maintenance	Section D
Recommended Tools	D-1
Routine Cleaning and Inspections	D-1
Gas Diffuser Replacement	D-1
Liner Assembly Cleaning or Replacement	D-1
Trigger and Accessory Switch Lead Routings	D-2
Gun Tube Replacement	D-3
Trigger Assembly Replacement	D-3
Gun Cable Assembly Replacement	D-3, D-4

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Troubleshooting	Section E
How To Use Trouble Shooting Guide	E-1
Troubleshooting	E-2 to E-5

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Parts List.................................................................................P-202-AB, P-202-AC Series

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Lincoln Electric 550, 350 manual Table of Contents