Miller Electric UPC 838 Sequence Of Operation, Example Of Cutting Operation, Trigger is pressed

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5-3. Sequence Of Operation

Do not clean torch by hitting it against a hard surface. Hitting hard surfaces can damage torch parts and stop proper opera- tion.

Inspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been significantly reduced (see torch Owner’s Manual). Do not operate torch without a tip or electrode in place.

Install &	Put On Personal	Check Torch Tip,	Check Gas/Air	Set	Turn On
Connect	Safety	Electrode, And	Pressure	Controls	Power Source
Equipment	Equipment	Retaining Cup
	Begin
	Cutting

EXAMPLE Of Cutting Operation	The pilot arc starts immediately when
	trigger is pressed.

Place drag shield on edge of metal, or allow correct standoff distance − approximately 1/8 in (3 mm).

Press trigger. Pilot arc starts.	After cutting arc starts, slowly
	start moving torch across metal.

Adjust torch speed so	Pause briefly at end of	Postflow continues for approx. 20 to
sparks go thru metal and	cut before releasing trigger.	30 seconds after releasing trigger;
out bottom of cut.		cutting arc can be instantly
		restarted during postflow by
		pressing trigger.
		Ref. 801 400-A

OM-202 515 Page 19

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Contents Description OM-202 515CProcesses Page Table of Contents Standards DirectivesCutting 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 − Definitions 60 s Air Supply Precaution Use Only Oil Free Dry Compressed AirI1eff Symbols And DefinitionsManufacturer’s Rating Label For CE Products I1maxDuty Cycle And Overheating − InstallationSpecifications UPC Cutting SpeedMovement Do not move or operate unit Dimensions And WeightSelecting a Location Input Amperes At Rated Cutting Capacity Connecting Work Clamp And Gas/Air SupplyElectrical Service Guide Input Voltage = GND/PE Connecting Input Power4070 − OperationControls Setting Gas/Air Pressure Trigger is pressed Sequence Of OperationExample Of Cutting Operation Every Week − Maintenance & TroubleshootingRoutine Maintenance Each UseChecking Shield Cup Shutdown System Trouble LightsTrouble Remedy TroubleshootingOM-202 515 Circuit Diagram For Power Source − Electrical Diagram202 Complete Assembly − Parts ListDia Unitor Mkgs Description Quantity Torch, ICE-80C ICE−80C Consumables Unitor Page Page Owner’s Record