Innershield Welding Guide (pdf) - Lincoln Electric

TABLE OF CONTENTS
SAFETY PRECAUTIONS...........................3-11
INTRODUCTION ..........................................12
PRODUCT ADVANTAGES.......................13-15
RECOMMENDED EQUIPMENT ......................15
WELDING PREPARATIONS ........................16-17
Choose the Proper Innershield Gun ............................16
Prepare the Work.........................................................17
Optimizing Feeding......................................................17
WELDING TECHNIQUES .............................18-24
Set the CTWD..............................................................18
Set the Wire Feed Speed (WFS)..................................19
Start the Arc.................................................................19
Set the Voltage ............................................................19
Travel Speed................................................................19
Loading 13-14 Lb. Coils on a 2” Spindle.....................20
Handling Poor Fitup.....................................................21
Use the Proper Drag Angle..........................................21
Use the Proper Wire Angle to Joint .............................21
Making Vertical Up Welds......................................22-23
Making Downhill and Vertical Down Welds23
Working with NS-3M ...................................................24
OPERATING GUIDE .......................................25-29
Troubleshooting .....................................................25-26
Effect of Operating Variables .................................26-27
Welder Qualification Test.............................................27
Storing Innershield Electrode.................................28-29
WELDING PROCEDURES...............................30-39
OPERATING PROCEDURES ..........................40-45
INNERSHIELD GUN PARTS............................46-47
LINCOLN WELDING SCHOOL.......................48-49
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