Lincoln Electric IM790 manual Innershield Fcaw Conversion, Replacement Parts

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C-2

ACCESSORIES

C-2

INNERSHIELD (FCAW)

CONVERSION

Several changes are needed to convert the unit for operation with the Innershield (FCAW) process. The Innershield Kits include all the necessary accessories for this conversion and are provided for this purpose. The following conversions should be made using the contents of a kit:

1.Change the output polarity to DC(-). See “Work Cable Installation” section for details.

2.Install proper drive roll for the wire size selected. See “Changing Drive Roll” in Maintenance section for details.

3.Install the proper gun liner* and tip for the wire size selected. See “Component Replacement” in Maintenance section for details.

4.Remove gas nozzle (if installed) and install gasless nozzle. To remove, simply unscrew.

*The factory installed gun liner will feed .025-.035 (0.6-0.9mm) wire.

REPLACEMENT PARTS

Complete Gun and Cable Assembly

L8311-6 (K530-4)

Contact Tip .025” (0.6 mm)

KP2039-1B1

Contact Tip .030” (0.8 mm)

KP2039-2B1

Contact Tip .035” (0.9 mm)

KP2039-3B1

Contact Tip .045” (1.2 mm)

KP2039-4B1

Contact Tip-Tapered .025” (0.6 mm)

KP2052-1B1

Contact Tip-Tapered .030” (0.8 mm)

KP2052-2B1

Contact Tip-Tapered .035” (0.9 mm)

KP2052-3B1

Contact Tip-Tapered .045” (1.2mm)

KP2052-4B1

Contact Tip .035A” (0.9 mm)

KP2078-1B1 (Aluminum Tip-Mag 100L)

Liner .023 - .035” (0.6 - 0.9 mm) KP1937-3

Liner .035 - .045” (0.9 - 1.2 mm) KP1937-1

Gas Diffuser

KP2040-1

Gas Nozzle

KP1938-1

Gas Nozzle-Tip Recessed 3/8” (9.5 mm) Opening I.D.

KP1942-1

Gas Nozzle-Tip Recessed 1/2” (12.7 mm) Opening I.D.

KP1942-2

Gas Nozzle-Tip Recessed 5/8” (15.9 mm) Opening I.D.

KP1942-3

Spot Welding Nozzle

KP1956-1

Gasless Nozzle (Innershield Only)

KP1939-1

SP-175 PLUS

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Contents SP-175 Plus California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Installation Electric Shock can kill Safety PrecautionsIdentify and Locate Components Stacking Work Clamp InstallationWork Cable Installation Select Suitable LocationGAS Connection GUN InstallationConnecting Gun Cable to the SP-175 Plus Input Connections Gas Solenoid Inlet Fitting Power Input CableVolt Input Connection Line Cord ConnectionElectrical Input Connection for Rated Output Welding Sparks can cause fire or explosion Observe all safety information throughout this manualOperation Fumes and Gases can be dangerousWelding Capability Controls and SettingsDesign Features Advantages General DescriptionSequence of Operation Wire LoadingWelding Operations Wire Threading Friction Brake AdjustmentsMaking a Weld Shielding GasProcess Guidelines Changing Machine Over to Feed Other Wire SizesCleaning Tip And Nozzle Thermal Protection Wire Feed Overload ProtectionOverload Protection Output OverloadApplication Chart K586-1 Deluxe Adjustable Gas Regulator & Hose Kit AccessoriesOptional Accessories Innershield Fcaw Conversion Replacement PartsRoutine and Periodic MAINTE- Nance MaintenanceMaintenance Safety Precautions Items Requiring no MaintenanceContact Tip Cable Liner Drive Roll GUN and Cable MaintenanceConfiguration of Components in Wire Feeding System For Magnum 100L GUNRoll onto the drive shaft SP-175 Plus Changing the Contact TIPChanging Drive Roll Liner trim length Changing LinerFigure D.3 SP-175 Plus GUN Handle PartsHOW to USE Troubleshooting Guide TroubleshootingRecommended Course of Action Problems Possible Symptoms CauseGAS Flow Problems Welding Problems Wiring Diagrams Page Precaucion Warnung
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