Miller Auto Arc 160 Manuale d'uso - Pagina 41

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Miller Auto Arc 160 Manuale d'uso

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Table of Contents

Section 1 − Safety Precautions - Read Before Using3

Principal Safety Standards5

Emf Information6

Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance9

Principales Normes De Sécurité10

Information Sur Les Champs Électromagnétiques10

Section 2 − Specifications11

Volt-Ampere Curves11

Duty Cycle And Overheating12

Section 3 − Installation13

Installing Work Clamp13

Installing Welding Gun And Changing Polarity13

Installing Gas Supply14

Selecting A Location And Connecting Input Power15

Installing Wire Spool And Adjusting Hub Tension16

Installing Drive Roll, Wire Guide And Threading Welding Wire17

Weld Parameter18

Section 4 − Operation19

Section 5 − Maintenance &Troubleshooting20

Routine Maintenance20

Drive Motor Fuse F120

Short Circuit Shutdown20

Cleaning Or Repairing Drive Assembly21

Replacing Gun Contact Tip21

Cleaning Or Replacing Gun Liner22

Troubleshooting Table23

Section 6 − Electrical Diagram24

Section 7 − Mig Welding (Gmaw) Guidelines25

Typical Mig Process Connections25

Typical Mig Process Control Settings26

Holding And Positioning Welding Gun27

Conditions That Affect Weld Bead Shape28

Gun Movement During Welding29

Poor Weld Bead Characteristics29

Good Weld Bead Characteristics29

Troubleshooting − Excessive Spatter30

Troubleshooting − Porosity30

Troubleshooting − Excessive Penetration30

Troubleshooting − Lack Of Penetration31

Troubleshooting − Incomplete Fusion31

Troubleshooting − Burn-Through31

Troubleshooting − Waviness Of Bead32

Troubleshooting − Distortion32

Common Mig Shielding Gases33

Section 8 − Parts List34

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