Miller Electric D-74D manual Trigger Hold Switch, Voltage Control And Digital Meters

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6-4. Trigger Hold Switch

1 Trigger Hold Switches

Trigger hold allows the operator to weld without holding the gun trigger.

• To use the trigger hold function, place the trigger hold switch in the On position.

• The operator must hold the trig- ger for a minimum of 2 seconds, but not longer than 6 seconds be- fore releasing it. Welding will con- tinue when the trigger is re- leased.

• To stop welding, press the trigger again.

1

Ref. 803 048

6-5. Voltage Control And Digital Meters

1 Voltmeter

1

2

3

Displays actual or preset voltage from welding power source through the 14−pin control cable.

2 Wire Speed Meter

Displays preset and actual wire feed speed while welding.

Factory set to display inches per minute. If display of meters per min- ute is desired, see Section 5-9.

3 Voltage Controls

Use controls to adjust voltage out- put of welding power source.

.You can adjust the preset volt-

age display on the wire feeder to match your power source’s display by adjusting P2 on mo- tor control board PC101 (left side), and/or P2 on motor con- trol board PC1 (right side). See Section 7-2for location of P2.

Ref. 803 065

OM-1500-6 Page 19

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Contents File MIG Gmaw OM-1500-6 206 805HProcesses DescriptionFrom Miller to You Table of Contents Standards Decwire6/05Directives Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéKeep your head out of the fumes Disconnect input plug or power before working on machineDrive rolls can injure fingers Rating Label For CE Products Symbols And DefinitionsRating SpecificationsSite Selection Equipment Connection Diagrams Rear Panel Connections And Rotating Drive Assembly Gun Recommendation Table Wire Type, Size, And Feed Speed Capability TableMotor Speed Wire Type Wire Size Feed Speed Capability Pin Plug InformationInstalling And Threading Welding Wire Automatic Run-In OFF S1-1 And S1-2 Setting Internal DIP SwitchesCurrent Detect Override OFF Factory Default S1-1 And S1-2 Right Side Motor Control Board PC1 Left Side Motor PC101PC60 Optional Equipment DIP Switch SettingsJog/Purge Power SwitchLeft/Right Select Switch Power SwitchVoltage Control And Digital Meters Trigger Hold SwitchTrigger Hold Switches Months Routine MaintenanceDisconnect power before maintaining Diagnostics Trouble Remedy TroubleshootingDisconnect power before troubleshooting Wire feeds, shielding gas flows, butOM-1500-6 − Electrical Diagram 204 716-B 21 −2 Main AssemblyPart Description Quantity Control Box 130 Harness Connectors/ReceptaclesDrive Assembly, Wire -1Item Drive Assembly, Wire203 Roll Drive Kit Drive Roll And Wire Guide Kits Fraction MetricKit Roll Wire Size Roll DrivePage Page Support ServiceYour distributor also gives Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact