Lincoln Electric IM990 MAGNUM PRO 350 and 550 FUME GUNS - Manual (Page 7)

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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O
PERATION ...........................................................................................................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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