Hobart Welding Products HP-70, 700I Sequence Of Cutting Operation, Example Of Cutting Operation

Page 26

.A complete Parts List is available at www.MillerWelds.com

5-5. Sequence Of Cutting Operation

! The pilot arc starts immediately when trigger is pressed.

EXAMPLE Of Cutting Operation

Place tip near work.

.Keep tip 1/16 in. from work for max cutting speed and tip life.

Slide trigger lock back.

Press trigger. Pilot arc starts.

After cutting arc

starts, slowly move torch across metal.

Adjust speed so		Torch air cooling (postflow)
	Pause briefly at	continues after releasing trigger.
sparks go thru metal
	end of cut before	. Postflow must finish before
and out bottom of cut.
	releasing trigger.
		trigger will restart pilot arc.

804 848-A

OM-244 013 Page 22

Image 26

Contents Description OM-244 013CProcesses File Plasma CuttersFrom Miller to You Table of Contents Page Cutting can cause fire or explosion Symbol UsagePlasma Arc Cutting Hazards Electric Shock can killNoise can damage hearing Flying Sparks can injureARC Rays can burn eyes and skin Fumes and Gases can be hazardousFlying Metal or Dirt can injure eyes HOT Parts can burnMoving Parts can injure Overuse can cause OverheatingEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesLE Coupage présente un risque de feu ou d’explosion Signification des symbolesConsignes DE Sécurité Lire Avant Utilisation UN Choc Électrique peut tuerLE Bruit peut endommager l’ouïe Risque de blessure en casLES Étincelles Projetées peuvent provoquer des blessures LES Fumées ET LES GAZ peuvent être dangereuxLES Pièces Chaudes peuvent provoquer des brûlures ’ARC Plasma peut provoquer des blessuresLES Bouteilles peuvent exploser si elles sont endommagées Les Pièces Mobiles peuvent provoquer des blessuresRisque D’INCENDIE OU ’EMPLOI Excessif peutLA Chute DE L’ÉQUIPEMENT peut provoquer des blessures LE Coupage Ã L’ARC peut causer des interférenceInformations relatives aux CEM Proposition californienne 65 AvertissementsPrincipales normes de sécurité En ce qui concerne les implants médicauxI1eff DefinitionsI1max Installation SpecificationsDimensions And Weight Power Source Dimensions And WeightTorch Dimensions And Weight Duty Cycle And OverheatingDo not move or operate unit where it could tip Connecting Gas/Air SupplyConnecting Work Clamp Selecting a LocationElectrical Service Guide Extension Cord DataConnecting 1-Phase Input Power For 240 VAC Serial Number And Rating Label LocationAlways connect green or Engine Control Switch must be set at RUNProng Not Used Terminal, never to a loadInstalling Alternative Plug Cable Management StrapElectrode Wrench Operation ControlsTrigger Safety Lock Mild Steel Recommended Cut SpeedPilot arc starts immediately when trigger is pressed Plasma Cutting System PracticesSequence Of Cutting Operation Example Of Cutting OperationSequence Of Cutting Using Stand-off Guide Example Of Cutting Using Stand-off GuideSequence Of Piercing Operation Disconnect power Maintenance & TroubleshootingRoutine Maintenance Before maintainingChecking Or Replacing Filter Element Status/Trouble Lights Checking Shield Cup Shutdown SystemElectrode Wrench Turn Off power source before checking torch partsChecking/Replacing Retaining Cup, Tip, And Electrode Work Cable Connections Torch And Work Cable ConnectionsTorch Connections Troubleshooting Power Source Trouble RemedyTroubleshooting Torch Arc goes on and off while cuttingElectrical Diagram Circuit Diagram244 011-B Recommended Spare Parts Parts ListRecommended Spare Parts Service SupportOwner’s Record Miller Electric Mfg. Co