Miller Electric ICE-12C, 125C manual Checking/Replacing Retaining Cup, Tip, And Electrode

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6-4. Checking/Replacing Retaining Cup, Tip, And Electrode

Overtightening will strip threads. Do not overtighten retaining cup during assembly. Do not cross-thread parts causing stripping. Use care during torch assembly and parts replacement.

Inspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been significantly reduced. Do not operate torch without a tip or electrode in place. Be sure to use genuine replacement parts.

A good practice is to replace both the tip and electrode at the same time.

Turn Off power source before checking torch parts.

Make sure this area is clean of any debris.

8

6

Make sure swirl ring is clean of any

5

debris and no holes are obstructed.

4

3

7

New

1

2

New

Worn

1/16 in (2 mm)

Pit

Worn

802 465

Turn Off power source.

1Shield Cup

2O-Ring

Remove shield cup. Check cup for cracks, and replace if necessary.

Check O-ring for cracks or worn spots, re- place shield cup if necessary.

3Tip

4Opening

Remove tip. Check tip, and replace if open- ing is deformed or 50% oversize. If inside of tip is not clean and bright, clean with steel wool. Be sure to remove any pieces of steel wool afterwards.

5 Electrode

Check electrode. If center has a pit more than a 1/16 in (2 mm) deep, remove and re- place electrode.

6 Swirl Ring

7 O-Ring

Remove swirl ring. Check ring, and replace if side holes are plugged.

Check O-ring for cracks or worn spots, replace swirl ring if necessary.

8 O-Ring

Check O-ring for cracks or worn spots, and replace if necessary.

Carefully reassemble parts in reverse order.

OM-2248 Page 19

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Contents File Plasma Cutters OM-2248Processes DescriptionFrom Miller to You Table of Contents Page Cutting can cause fire or explosion Symbol UsageMarks a special safety message Plasma Arc Cutting HazardsNoise can damage hearing Exploding Parts can injureFlying Sparks can cause injury ARC Rays can burn eyes and skinCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Identifie un message de sécurité particulier Signification des symbolesLE Coupage présente un risque de feu ou d’explosion UNE Décharge Électrique peut entraîner la mortLE Plasma D’ARC peut entraîner des blessures Risque de blessure en casLE Bruit peut endommager l’ouïe LES Fumées ET LES GAZ peuvent être dangereuxDES Particules Volantes peuvent blesser les yeux LES Bouteilles peuvent exploser si elles sont endommagéesDES Pieces Chaudes peuvent pro- voquer des brûlures graves DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques I1eff − DefinitionsI1max Duty Cycle And Overheating − InstallationSpecifications Specifications For TorchMovement Location And Airflow Torch Dimensions And WeightDimensions And Weight Selecting a LocationConnecting Input Power Connecting Work ClampCutting Speed − OperationControls Trigger Safety Lock 196 Sequence Of OperationWeek − Maintenance & TroubleshootingRoutine Maintenance Checking Torch Shield Cup Shutdown System 1CUP Temp Input VoltageWork Cable Connections Torch And Work Cable ConnectionsTorch Connections Checking/Replacing Retaining Cup, Tip, And Electrode Turn Off power source before checking torch partsTroubleshooting Power Source Troubleshooting Torch Circuit Diagram − Electrical DiagramOM-2248 Main Assembly − Parts ListDia Part Torch, ICE-12C Support ServiceMiller Electric Mfg. Co Owner’s Record