Hobart Welding Products 3035-20, 3545-20 manual Changing Liner, Troubleshooting

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5-3. Changing Liner

! Turn off and disconnect input power.

1 Nozzle

2 Contact Tip

3 Liner

Remove and replace liner. Reinstall parts as shown.

3

2

1

Tools Needed:

Ref. 801 891-A

5-4. Troubleshooting

Trouble	Remedy


Gun tube assembly loose.	Tighten nut at base of gun tube assembly.

No weld output; gun/feeder does not	Place Power switch on welding power source in the On position (see welding power source Owner’s
work.	Manual).

Erratic weld output.	Tighten and clean all connections.

Pressing gun/feeder trigger does not	Secure plug from gun/feeder trigger cord into 4-socket receptacle on welding power source (see Section
energize welding power source; welding	3-5, field kit instructions F207 643, or appropriate welding power source Owner’s Manual).
wire is not energized; shielding gas does
not flow.

Wire feeds, shielding gas flows, but	Secure control cable leads in welding power source (see field kit instructions F207 643 or appropriate
welding wire is not energized.	welding power source Owner’s Manual).

	See Troubleshooting section in welding power source Owner’s Manual.

Wire feeds erratically.	Check and correct drive roll pressure (see Section 3-6).

	Clean or replace drive roll; clean or replace liner (see Sections 5-2and 5-3).

OM-226 857 Page 18

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Contents Processes File Wire FeederOM-226 857B DescriptionFrom Hobart to You Protect Your InvestmentTable of Contents Page Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can burnWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Equipment can injure Welding Wire can injureFire or Explosion hazard Moving Parts can injureEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux LES Pièces Chaudes peuvent provoquer des brûluresLE Soudage peut provoquer un incendie ou une explosion Risque D’INCENDIE OU LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’ÉQUIPEMENT peut provoquer des blessuresLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLes Pièces Mobiles peuvent causer des blessures LE Soudage À L’ARC risque de provoquer des interférencesInformations relatives aux CEM Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-226 857 Components Supplied With Spool Gun Conversion Kit Specifications For Spool GunApproximate Cooling Maximum Spool Weld Circuit Overall Turn off and disconnect in- put power OperationConnecting Spool Gun To Welding Power Source Turn off and disconnect input powerInstalling Wire Spool And Threading Welding Wire Screw rotation clockwise decreasesRemoving Existing Barrel And Installing Contact Adapter Routine Maintenance ControlsChanging Push Roll Changing Drive RollsChanging Lower Drive Roll Troubleshooting Changing LinerBefore You Start Welding Gmaw MIG Aluminum Welding HintsWelding Techniques Common Problems/Troubleshooting Contact Tube Position And Tip-To-Work Distance− Electrical Diagrams − Parts List Optional Hardware is common and not available unless listed Push Roll .047 1.2 mm Page Support ServiceAssistance Contact your Distributor for Hobart Welding Products

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