Lincoln Electric LN-9 SVM127-A - Manual (Page 21)

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Section B-1 Section B-1
LN-9 Wire Feeder
TABLE OF CONTENTS
- OPERATION SECTION -
Operation .................................................................................................................................Section B
Safety Instructions.......................................................................................................................B-2
General Description ....................................................................................................................B-3
Recommended Processes and Equipment.................................................................................B-3
DC Constant Voltage Power Sources ..................................................................................B-3
Controls and Settings..................................................................................................................B-4
Circuit Protection and Automatic Shutdown .........................................................................B-7
Avoiding Ground Lead Protector (GLP) Activation ...............................................................B-7
Drive Roll Installation and Pressure Setting ...............................................................................B-9
Changing Wire Feed Rolls and Guide Tubes for 2-Roll Wire Feeders ................................B-9
Setting the Idler Roll Spring Pressure (2-Roll Wire Drives) .........................................B-10
Changing Wire Feed Rolls and Guide Tubes for 4-Roll Wire Feeders...............................B-11
Setting the Idler Roll Pressure (4-Roll Wire Drives) .....................................................B-11
Wire Loading .............................................................................................................................B-14
Loading and Feeding Readi-Reels or Spools.....................................................................B-14
Loading a 22 to 30 lb. Readi-Reel Package ................................................................B-14
Loading a 15 to 30 lb. Spool ........................................................................................B-15
Loading 50 and 60 lb. Coils and Brake Adjustment ...........................................................B-16
Loading and Feeding 13-14 lb. Innershield Coils...............................................................B-17
Making a Test Weld and Adjusting Response and Starting Characteristics .............................B-18
Adjust the Power Source ....................................................................................................B-18
Adjust the LN-9 Controls ....................................................................................................B-19
Voltage Control Response..................................................................................................B-19
Starting Characteristics.......................................................................................................B-19
Making a Weld ....................................................................................................................B-20
Procedure at End of Coil...........................................................................................................B-20
Security of Weld Procedure Settings ........................................................................................B-20