Craftsman 196.20569 owner manual Preventive Maintenance, Cleaning the nozzle, and occasionally

Page 23

7.Take gun handle halves apart by remov- ing five phillips head screws.

8.Remove liner from fast coupler fitting on gas valve. Depress lip on fast coupler back towards fitting and pull liner out.

9.Remove liner from outer torch sleeve and pull out.

10.Remove fast coupler fitting from gas valve.

11.	Install new liner,		starting		from	handle end
	and feeding towards unit with fitting end
	of I_ner going towards the gas valve.
12.	Fitllner	for length	at	feeder end by cut-
	ting liner with wire cutters.
13.	Reinstall	liner holding		clamp		at feeder.
14.	Return	all components		to	the	handle

Nozzle

Contact Tip

Gas Diffuser

Conductor Tube

Jbe

Insulation

Trigg.

casing and realign them as they were

originally.

15. With both halves of the handle case in

place, tighten the five phillips head screws.

16.Reinstall the welding wire according to specifications in INSTALL THE WELDING WIRE section.

17.Close side panel.

18.Plug welder into power supply and turn POWER SWITCH to ON position.

Live Wire

Switch Contacts

Gun

Liner

Handle

Casing

Gas Hose

Drive	Drive	Gun
Tension	Tension	Assembly
Adjustment	Arm	(Tail

®
Inlet			Strain
Guide	Drive	Jn	Relief
Tube	Roller	Liner	Clamp
Figure	21. Drive	Assembly

SwitchSwitch

WireWire

Gun

Cable

Figure 22. Gun Assembly

PREVENTIVE MAINTENANCE

Except for internal and external cleaning,

cleaning the nozzle, and occasionally

retightening screws, there is no periodic maintenance recommended for your welder.

TROUBLESHOOTING

The following TROUBLESHOOTING information is provided as a guide to help resolve some of the more common problems that could be encountered. Table 4 is a troubleshooting table provided to help you determine a possible remedy when you are having a problem with your welder. This table does not provide all possible solutions, only those possibilities considered to likely be common faults. The table consists of a TROUBLE or symptom, a POSSIBLE CAUSE for the symptom, and a POSSIBLE REMEDY for that symptom.

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Contents Jcraftsmani Assemble Shield Installing Handle Feet Selecting Shielding GasMaintenance Retain These Instructions for Future Reference Important Safety InformationElectric Shock can Killi To reduce Shock HazardFlash Hazards AGE! To reduce the risk of death, injury, or Fire HazardsFire or Explosion can Cause DEATH, INJURY, and Property DAM Compressed Gasses and Equipment Hazards Improper Handling Maintenance of Compressed GASFume Hazards Additional Safety Information Temperatures above 130F will requireDuty Cycle Welder OperatingInternal Thermal Protection DescriptionHandle Packing List Power Source ConnectionSelecting Shielding GAS Installing the HandleInstalling the Feet TOR if OIL, GREASE, or Damage are Present Check the GAS FlowPressed Gasses and Equipment Electric shock can kill! Always turn Install the Welding WireCord from the ac power source before installing wire Drive RollerRight Way Change Polarity SET the Wire Drive TensionHolding the GUN Controls AndindicatorsLearning to Weld Distance from the Work Piece Welding TechniquesAngle a Angle BWelding Positions Types of Weld BeadsMultiple Pass Welding Overhead PositionThree Passes TJont n Li, Three Passes Special Welding MethodsElectric shock can kill! To reduce the risk Consumable MaintenanceSpot Welding Instructions Replace a GUN Liner GUN AssemblyMaintaining the Nozzle Troubleshooting Preventive MaintenanceCleaning the nozzle, and occasionally Low output or non- enetrating weld Trouble Possible Cause Possible Remedy£.J Description Qty 66J Page Description Qty Wire Feed Welder Model 196.205690 GUNSuggested Settings for Welder Informaci6n Adicional de Seguridad RiesgosRiesgos Destello Riesgos De VaporesNota Informacion Importante DE SeguridadConservar Estas Instrucciones Para Referencia Futura Destellos Peligrosos Riesgos DE Choque ElectricoRiegos DE Incendio AdvertenciaILA Manipulacion O EL Mantenimiento Riesgos DE VaporesRiesgos DE Gases Comprimidos Y DE SUS Equipos Informacion Adicional DE Seguridad Ciclo DE Funcionamiento DescripcinCaracteristicas DE Operacion DE LA Soldadora Proteccion Tirmica InternaCordbn de Soldadura La acumulaci6n Cordbn de Suministro ElctricoLista DE Contenido ElectricoSeleccibn del gas para soldar con alambre de acero Ensamblaje DE LA Careta Para SoldarInstalacicn DEL ASA Instalaciin DE LAS PatasNo Instalar EL Regulador SI Tiene ACEITE, Grasa O Danos Verificacin DEL Flujo DE GASSeleccion del Gas para Soldar Acero Inoxidable INSTALACI6N DEL GAS ProtectorDesengancharlo AUN Instalacion DEL Alambre SoldadorAlineamiento Y Regulacin DEL Rodillo DE Avance Precaucin FiguraPrecaucin Regulacion DE LA Tensin DEL Mecanismo DE AvanceCambio DE Polaridad Como Sostener LA Pistola Controles E IndicadoresIlas Descargas Elictricas Pueden Aprenda a SoldarILAS Descargas Electricas Tecnicas Para SoldarAngulo a Angulo BCord6n de refuerzo Posici6n Vertical Figura 15. Junta a tope en V de tres pasadas Mitodosespeciales Para Soldar Soldadura DE PuntosMantenimiento DE Insumos Instrucciones Para Soldadura DE PuntosMantenimiento General ILAS Descargas Electricas PuedenReemplazo DEL Forro DE LA Pistola Mantenimiento DE LA BoquillaPrecaucion Prueba DE Cortocircuito EN LA BoquillaMantenimiento Preventivo Diagnstico DE ProblemasInstalacin DEL Alambresoldador Causa POSlBLE SOLUCl6N POSlBLE Problema12ov!sl Transformador115V40x60AL 6257 ILl Descripcibn Soldadora CON Alimentador DE Alambre Modelo030 Graduaciones Sugeridas Para LA Soldadora8EAR8