Miller Electric MW 140 Plus, H-10 warranty Installation, Installing Welding Gun, Incorrect, Correct

Page 16

SECTION 5 − INSTALLATION

5-1. Installing Welding Gun

4

3

12

.Be sure that gun end is tight against drive assembly.

3

3

1Drive Assembly

2Gun Securing Thumbscrew

3Gun End

Loosen thumbscrew. Insert end through opening until it bottoms against drive assembly. Tighten thumbscrew.

Welding gun must be inserted completely to prevent leakage of shielding gas.

4 Gun Trigger Leads

Insert leads, one at a time, through gun opening on front panel. Connect female friction terminals to matching male terminals in unit. Polarity is not important.

Close door.

 

Exposed O-rings

 

Incorrect

will cause shielding

Correct

gas leakage.

Gun Not Seated

 

Gun Fully Seated

803 711-A

5-2. Installing Work Clamp

 

 

 

 

 

 

. Connection hardware must be tightened with proper tools. Do not just

1

Nut

 

 

hand tighten hardware. A loose electrical connection will cause poor

2

Work Cable From Unit

 

weld performance and excessive heating of the work clamp.

3

Work Clamp

 

 

 

 

4

Screw

 

 

 

 

5

Work Clamp Tabs

 

 

 

Bend tabs around work cable.

 

 

 

6

Insulating Sleeves

 

 

 

Slide one insulating sleeve over

 

3

work cable before connecting to

1

 

clamp.

 

 

 

6

 

Slide

insulating

sleeves

over

 

handles.

 

 

2

 

 

 

 

 

 

5

4

 

 

 

 

 

Tools Needed:

 

 

 

 

 

 

7/16 in

 

 

 

 

 

 

7/16 in

 

 

 

 

802 456-A

 

 

 

 

 

OM-219 316 Page 12

 

 

 

 

 

 

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Contents OM-219 316C Processes→Description 2006−10Page Table of Contents − Parts List Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaques− Specifications Symbols And DefinitionsSpecifications − DefinitionsWarranty Duty Cycle And OverheatingOutput Duty Cycle % Exceeding duty cycle canVolt-Ampere Curves Amperage− Installation Installing Welding GunIncorrect CorrectProcess/Polarity Table Changing PolarityInstalling Gas Supply CO 2 gas regulator/flowmeterSelecting a Location And Connecting Input Power Do not move or operate unit where it could tipInstalling Wire Spool And Adjusting Hub Tension Installing 8 in 203 mm Wire SpoolInstalling Contact Tip And Nozzle Flux NozzleThreading Welding Wire Hold wire tightly to keep it from unraveling− Operation ControlsWeld Parameter Chart 217 618-A − Maintenance &TROUBLESHOOTING Routine MaintenanceOverload Protection Drive Motor ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableDoes not run − Electrical Diagram Circuit Diagram− MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsTypical MIG Process Control Settings Wire Size Amperage RangeThickness to Amperage a Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − DistortionTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feedCommon MIG Shielding Gases ApplicationWelding arc not stable Wire slipping in drive rolls − Parts List Main AssemblyDia Part Description Quantity Dia Part Description Quantity Mkgs H-10 Gun 195Optional Drive Rolls OptionsWarranty Owner’s Record