Hobart Welding Products 625 manual Trigger Safety Lock, Plasma Cutting System Practices

Page 22

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

5-3. Trigger Safety Lock

1 Trigger

1

Trigger Locked

Trigger Unlocked

801 397-A

5-4. Plasma Cutting System Practices

The pilot arc starts immediately when trigger is pressed.

Always connect work clamp to a clean,

paint-free location on workpiece, as close to

cutting area as possible.

90°

.Set correct air pressure for process: 75 PSI (517 kPa) for cutting,

55 PSI (379 kPa) for gouging.

DO NOT start pilot arc without cutting or gouging as this shortens the service life of the nozzle and electrode.

°	Sparks should pass through the workpiece	If sparks flare back from surface, this
Maintain approximately a 90 angle to the	and out the bottom when cutting.	usually is an indication that either travel
workpiece surface for proper cutting results.	and out the bottom when cutting.	usually is an indication that either travel
		speed is too fast or amperage is set too low.
	Wt
1/8 in
(3.2 mm)
When doing extended (non-shielded)	DO NOT put pressure on shield when	Pulling rather than pushing the torch
cutting, maintain approximately 1/8 in	drag cutting; instead, slide shield along	makes cutting easier. Use a proper guide
standoff between electrode and surface.	the surface for proper cutting results.	or template for accurate cutting operations.
		801 400-B / Ref. 802 878

OM-926 Page 18

Image 22

Contents Description OM-926Processes File Plasma CuttersFrom Hobart to You Table of Contents Page Plasma Arc Cutting Hazards Symbol UsageMarks a special safety message Cutting can cause fire or explosionARC Rays can burn eyes and skin Exploding Parts can injureFlying Sparks can cause injury Noise can damage hearingCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers UNE Décharge Électrique peut entraîner la mort Signification des symbolesLE Coupage présente un risque de feu ou d’explosion Identifie un message de sécurité particulierLES Fumées ET LES GAZ peuvent être dangereux Risque de blessure en casLE Bruit peut endommager l’ouïe LE Plasma D’ARC peut entraîner des blessuresLA Chute DE L’APPAREIL peut blesser DES Pieces Chaudes peuvent pro- voquer des brûlures gravesDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULE Coupage Ã L’ARC peut causer des interférence Principales normes de sécuritéInformation sur les champs électromagnétiques Consignes relatives aux stimulateurs cardiaquesI1max − DefinitionsI1eff Specifications For Torch − InstallationSpecifications Torch Dimensions And WeightDimensions And Weight Unit Dimensions, Weight, And MovementMovement Do not move or operate unit where it could tip 90-120 psi Connecting Work Clamp and Gas/Air SupplyRear of Unit Time-Delay Electrical Service Guide50/60 Hz Single Phase Extension Cord DataSelecting a Location And Connecting Input Power Do not move or operate unit where it could tip = GND/PETerminal, never to a load Prong Not UsedAlways connect green or TerminalsSetting Gas/Air Pressure Installing Alternative PlugSetting Gas/Air Pressure Controls Pressure Gauge Pressure Adjustment Knob− Operation Cutting SpeedWhen doing extended non-shielded Trigger Safety LockPilot arc starts immediately when trigger is pressed Plasma Cutting System PracticesSequence Of Cutting Operation Area as possibleSequence Of Gouging Operation Hold torch at approximately Angle to workpieceSequence Of Piercing Operation Cutting− Maintenance & Troubleshooting Routine MaintenanceChecking Torch Shield Cup Shutdown System Shield CupTurn Off power source before checking torch parts Checking/Replacing Retaining Cup, Tip, And ElectrodeIs Temp Status Troubleshooting Power SourceCheck torch consumables Light On? Is Pressure StatusTroubleshooting Torch − Electrical Diagram Circuit DiagramRecommended Spare Parts − Parts ListRecommended Spare Parts See -1for additional Consumable parts 195 110 ICE-40C 25ft Torch 195 111 ICE-40C 50ft TorchWork like a Pro Support ServiceAssistance Contact your Distributor for Hobart Welding Products