Lincoln Electric SVM127-A Manuale Utente

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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