Mamiya Econotig manual Maintenance and Troubleshooting, Routine Maintenance

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SECTION 7 − MAINTENANCE AND TROUBLESHOOTING

7-1. Routine Maintenance

Y Disconnect power before maintaining.

. Maintain more often during severe conditions.

3 Months

Replace unreadable labels.

Clean and tighten weld terminals.

Repair or replace cracked weld cable.

Repair or replace cracked gas hose.

Replace o-ring in Electrode/Gas

Output receptacle if cracked.

6 Months

Blow out or vacuum inside.

Or

7-2. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

 

 

Remedy

 

 

No weld output; fan does not run.

Place line disconnect switch in On position (see Section 5-5).

 

 

 

 

 

 

 

Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 5-5).

 

 

 

 

 

 

 

Check for proper input power connections (see Section 5-5).

 

 

No weld output; fan on.

Be sure Range/Polarity switch is not set between positions.

 

 

 

 

 

 

 

Tighten remote control connection to Remote 14 receptacle.

 

 

 

 

 

 

 

Check remote control (see remote control Owner’s Manual).

 

 

 

 

 

 

 

Unit overheated. Allow unit to cool (see Section 4-3).

 

 

Fan not operating; weld output

Check for and remove anything blocking fan movement.

available.

 

 

 

 

Have Factory Authorized Service Agent check fan motor.

 

 

 

 

 

 

 

 

 

 

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Contents Processes DescriptionFrom Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Décharges Électriques peuvent être mortelles Signification des symboles− Consignes DE Sécurité − À Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LE Bruit peut affecter l’ouïe’EMPLOI Excessif peut Faire Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser LES Pièces Mobiles peuvent cau- ser des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques General Precautionary Label − Definitions− Introduction Symbols And DefinitionsIncluded with Your Unit Volt-Ampere Curves SpecificationsDuty Cycle Chart Hertz ModelsSelecting a Location − InstallationTurn Off power before mak- ing connections Typical Stick ConnectionsTurn Off power before mak Ing connections Typical TIG ConnectionsElectrical Service Guide Connecting Input Power − Operation ControlsGtaw Welding Amperage Range Example of Front Panel Amperage ControlExample of Remote Amperage Control AC Low AC HighProcess and Material Thickness Guide Label Routine Maintenance − Maintenance and TroubleshootingTroubleshooting − Electrical Diagrams Circuit DiagramWelding Processes Requiring High Frequency Incorrect Installation− High Frequency Weld ZoneMetal Building Correct InstallationMetal Building Requirements − Parts List Main AssemblyDia Part Description Quantity Mkgs Figure -1. Main Assembly Page Page Service SupportOwner’s Record Miller Electric Mfg. Co