Hobart Welding Products OM-1594 manual Barrel ASSEMBLY, water cooled 15W & 30W models

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Item		Part
No.		No.	Description	Quantity
			Figure 8-7. Barrel Assembly Of Pistol-Grip Gun (Continued)

. . 17	.	137 042	. . BARREL ASSEMBLY, water cooled (15W & 30W models)
			(consisting of)	. . . 1
. . 18	.	134 800	. . . . O-RING, .614 ID x .070CS	. . . 1
. . 19	.	134 799	. . . . O-RING, .176 ID x .070CS (15W & 30W models)	. . . 1
. . 20	.	180 805	. . . . FITTING ASSEMBLY, barrel	. . . 1
. . 21	.	136 943	. . . . TUBING, teflon	. . . 1
. . 22	.	136 834	. . . . WASHER, flat .594 ID fbr	. . . 1
. . 23	.	180 966	. . . . O-RING, .926 ID x .070CS	. . . 4
. . 24	.	137 041	. . . . BARREL, outer	. . . 1
. . 25	.	136 836	. . . . INSULATOR, head tube from adapter	. . . 1
. . 26	.	136 835	. . . . WASHER, flat .390 ID brs	. . . 1
. . 27	.	136 680	. . . . ADAPTER, contact tube	. . . 1
. . 28	.	136 833	. . . . NUT, 1.000-12 stl	. . . 1
. . 29	.♦	136 832	. . . . ADAPTER, nozzle	. . . 1
. . 30	.♦	009 925	. . NOZZLE, spot outside corner .937 ID x 2.375	. . . 1
. . 31	♦	050 116	. . NOZZLE,13/16 orf x 1-5/8 lg	. . . 1
. . 32	♦	050 115	. . NOZZLE, 1/2 orf x 1-5/8 lg	. . . 1
. . 33	.♦	050 622	. . . . NOZZLE, 5/8 orf x 1-5/8 lg	. . . 1
. . 34	.♦	000 442	. . NOZZLE, spot	. . . 1
. . 35	♦	004 466	. . NOZZLE, spot	. . . 1
. . 36	♦	000 443	. . NOZZLE, spot inside corner	. . . 1

♦Optional

♦♦Part of 198 382 and 198 381 Wire Guide Kit Options

♦♦♦Part of 198 384 and 198 383 Wire Guide Kit Options

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

OM-1594 Page 60

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Contents Processes OM-1594Description From Hobart to You Table of Contents Electrical Diagrams Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explo- sionFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersSignification des symboles UN Choc É Lectrique peut tuerLES Fumé ES ET LES GAZ peuvent ê tre dangereux Identifie un message de sé curité particulierDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe Risque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Drive rolls can injure fingers Disconnect input plug or power before working on machineKeep your head out of the fumes Rating Label For CE Products Symbols And Definitions SpecificationsPower DiameterContinuous Welding Minutes Welding Duty Cycle And OverheatingContinuous Welding Do not use gas pressure Above 50 psi 345 kPaAir-Cooled Feeder Connections Rear PanelAir-Cooled Gun Connections Water-Cooled Feeder Connections Water-Cooled Gun Connections Pin Plug Information Voltage Sensing Lead ConnectionsDigital Meter Display Meters/Minute Inches/MinuteAdjusting Contact Tip Position Opening Top Cover Of XR-Edge GunXR Edge Gun Pistol Grip GunInstalling Wire Spool Removing Top Cover Of Pistol Grip Gun150 mm Pull and hold wire cut off end Proceed to Section Threading Welding Wire Through FeederTools Needed Open tension arm Threading Welding Wire Through Gun Nonconductive Surface Feed wire to check drive rollFor XR-Edge Gun For Pistol-Grip GunAdjusting Wire Feed Starting Speed Setting Switches For Preflow And Postflow Adjusting Trigger Hold Actuation Time Trigger hold actuation time Range is from 0 to 4 secondsOperation ControlsInternal Controls Gun Controls Shielding Gas Coolant Supply For Water-Cooled Models OnlySequence Of Gas Metal Arc Welding Gmaw Continuous Or Spot Feeder Drive Assembly Maintenance Wire sizeGun Drive Assembly Maintenance For An XR-Edge Gun Post Pressure Roll w/BearingReplacing Head Tube Liner In XR-Edge Guns Removing Contact Tip Adapter In XR-Edge GunsInsert chamfered end of liner into head tube Turn Off welding power Source and wire feeder Replacing Gun Cable LinerReplacing Or Cleaning Gun Drive Roll In Pistol-Grip Guns Changing Gun Contact TipTurn Off wire feeder and welding power source Top Cover Replacing Head Tube Liner In Pistol-Grip GunsPressure Roll Insert chamfered end of liner into head tube Tool NeededRemoving Contact Tip Adapter In Air-Cooled Pistol-Grip Guns Replacing Hub Assembly Reinstall gun coverWater Flow Switch Optional For Water-Cooled Models Turn Off WireOverload Protection Engine WeldingTroubleshooting Disconnect power before troubleshootingFilter, and clean fittings Trouble RemedyOM-1594 Electrical Diagrams 186 931-D Circuit Diagram For Gun OM-1594 Main Assembly 12 13 16 17MP1 Motor & Wire Drive Motor & Wire Drive -1 Item Panel, Front w/Components Water-Cooled Model Illustrated See FigurePanel, Front w/Components -1 Item Exploded View Of XR-Edge Gun See185 202 Barrel Assembly Of XR-Edge Gun 15Fig Exploded View Of Pistol-Grip Gun46 47 133 Dia Part Barrel Assembly Of Pistol-Grip Gun 137 Barrel ASSEMBLY, water cooled 15W & 30W models OM-1594 OM-1594 Service SupportHobart Welding Products Contact your Distributor forCall