Hobart OM-303 manual Typical TIG Connections

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4-3. Typical TIG Connections

Y Turn Off power before mak- ing connections.

1 Remote Control

2 Torch

Connect to receptacles as shown.

3 Work Clamp

4 Cylinder

Chain or secure cylinder to running

75gear, wall, or other stationary support.

5 Cylinder Valve

Open valve slightly so gas flow blows dirt from valve. Close valve.

6 Regulator/Flow Gauge

Install so face is vertical.

7 Flow Adjust

Typical flow rate is 20 cfh (cubic feet per hour) (9.4 L/min).

Tools Needed:

5/8, 1-1/8 in	Ref. ST-157 858-A

OM-303 Page 13

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Contents Processes OM-303155795NDescription From Hobart to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationConsignes DE Securite Lire Avant Utilisation Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Definitions General Precautionary LabelIncluded with Your Unit Symbols And DefinitionsIntroduction Duty Cycle Chart SpecificationsVolt-Ampere Curves Hertz ModelsTurn Off power before mak- ing connections InstallationSelecting a Location Typical Stick ConnectionsTypical TIG Connections Connecting Input Power Electrical Service GuideControls OperationExample of Remote Amperage Control Example of Front Panel Amperage ControlGtaw Welding Amperage Range AC Low AC HighProcess and Material Thickness Guide Label Troubleshooting Maintenance and TroubleshootingRoutine Maintenance Circuit Diagram Electrical DiagramsHigh Frequency Incorrect InstallationWelding Processes Requiring High Frequency Weld ZoneMetal Building Requirements Correct InstallationMetal Building Main Assembly Parts ListDia Part Description Mkgs Quantity Figure -1. Main Assembly Page Page Support ServiceHobart Welding Products Contact your Distributor for