Miller Electric R-115 manual Front Panel Controls, Optional Side Panel Controls

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SECTION 4 − OPERATION

4-1. Front Panel Controls

1

2

1Wire Speed Control

2Jog/Purge Switch

Use Jog position to momentarily feed welding wire at speed set on Wire Speed control without energizing welding circuit or shielding gas valve.

Use Purge position to momentarily energize gas valve to purge air from gun or adjust gas regulator.

3 Trigger Hold Switch

Push up to weld without holding gun trigger throughout the weld cycle.

To start weld cycle, press and release gun trigger within three seconds after an arc has been struck. To end weld, press and release gun trigger.

Power switch is on rear panel (see Section 3-5)

3

192 510-B

4-2. Optional Side Panel Controls

1

2

3

1Optional Run-In Speed Control

The Run-In Speed Control provides a means of selecting the rate at which welding wire will feed after preflow and before arc initiation. After arc initiation, the wire feed speed is governed by the Wire Speed Control. Rotating the Run-In Speed Control clockwise will increase run-in wire feed speed.

Close side door.

2Reed Relay Switch

3Weld Cable

Weld cable must be routed through reed relay switch present on units with Run-In Speed Control option.

Ref. 802 310-A / Ref. 802 309-B

OM-193 471 Page 20

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Contents

OM-193 471P ProcessesDescription File MIG GmawFrom Miller to You Table of Contents Page 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 Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier Signifie Note n’est pas relatif à la sécuritéLE 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 cardiaquesSpecifications Welding PowerWire PowerEquipment Connection Diagrams Rear Panel Connections And Power Switch LocationGun Recommendation Table Shielding gas pressure not to exceed 100 PSI 689 kPaConnecting Welding Gun And Weld Cable Installing Wire Guide And Drive Roll Installing And Threading Welding Wire WoodFor welding power sources re Ground lead must be wrappedQuiring dry contact closure Move lead 38 at terminal blockMake ground lead connections According to -9beforeFor Welding power sources To Terminal E LeadTools Needed Red WhiteBlack White Lead Motor Start/Burnback Control Front Panel Controls Optional Side Panel ControlsRoutine Maintenance MonthsOverload Protection Troubleshooting Trouble Remedy− Electrical Diagram − Parts List PLG4 Drive Assembly, Wire -2 Item Hardware is commonDrive Roll & Wire Guide Kits OM-193 471 OM-193 471 OM-193 471 Service SupportOwner’s Record Miller Electric Mfg. Co