Hobart Welding Products 1800 specifications Cleaning Or Replacing Gun Liner, Disconnect gun first

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4-3. Cleaning Or Replacing Gun Liner

Tools Needed:

Y Disconnect gun first.

5/16 in, 10 mm

Head Tube

Remove nozzle, contact tip, and adapter.

5/16 in

10 mm

Lay gun cable out straight before installing new liner.

Blow out gun casing.

Remove liner.

To Reassemble Gun:

Insert new liner.

Install and tighten wire outlet guide.

Cut liner off 3/4 in (20 mm) (3/8 in [9.5 mm] for aluminum) from head tube.

Install adapter, contact tip, and nozzle.

Ref. ST-800 797-C

OM-929 Page 19

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Contents Description OM-929Processes From Hobart to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Duty Cycle And Overheating SpecificationsExceeding duty cycle can damage unit and void warranty IntroductionVolt-Ampere Curves Installing Welding GunGUN Polarity Changeover Connections Setting Gun Polarity For Wire TypeInstalling Wire Spool And Adjusting Hub Tension Installing Gas SupplyMin Grounding Conductor Size In AWG/Kcmil Electrical Service GuideChanging Input Voltage From 230 Volts To 200 Volts Input Voltage= GND/PE Selecting a Location And Connecting Input PowerHold wire tightly to keep it from unraveling Threading Welding Wire Controls Operation12 ga 14 ga 16 ga 18 ga 20 ga 22 ga Weld ParametersMonths Maintenance and TroubleshootingRoutine Maintenance Circuit BreakersTo Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun first Remove handle locking nut Slide handle Replacing Switch And/Or Head TubeWelding Trouble Remedy Changing Drive Roll And Wire Inlet GuideWelding Troubleshooting Table Replacing Gun Contact TipWire Drive/Gun Trouble Remedy Wire Drive/Gun Troubleshooting TableCircuit Diagram For Welding Power Source Electrical DiagramMain Assembly Parts ListSR1 Center Baffle w/Components Center Baffle w/Components -1 Item 169 M-15 GunPage Page Support ServiceHobart Welding Products Contact your Distributor for