Chicago Electric 95424, 95629 manual Gun SB 25 #20A, Figure P

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Assembly Diagrams (continued)

Gun (SB 25) #20A

Part	Description	Qty.

1E	Nozzle (Slip Type)	1

2E	Contact Tip	1

3E	Spring	1

4E	Head Tube	1

5E	Sealant	1

6E	Spring	1

7E	Terminal;	1

8E	Feeder Connector	1

Part	Description	Qty.

9E	Nut (M12)	1

10E	Liner	1

11E	Liner Terminal	1

12E	Switch Trigger Terminal	1

13E	Trigger Switch	1

14E	Base	1

15E	Complete Torch Assembly	1

Figure P

4E	5E	6E	7E

8E

3E

2E

1E

14E	13E	12E	11E	10E	9E
14E	13E

	SKU 95424, 95629	For technical questions, please call 1-800-444-3353;	Page 33
		Troubleshooting section at end of manual.

Image 33

Contents For technical questions or replacement parts, please call Assembly And Operation InstructionsContents Specifications Please NoteSave this Manual General Safety Rules Electrical SafetyWork Area Tool USE and Care Personal SafetyService Specific Safety RulesIndustrial applications must follow Osha guidelines Page Welding Produces toxic fumes and gasses Inhalation HazardCylinders can explode when damaged Symbology GroundingExtension Cords Unpacking Assembly InstructionsAttaching the Wheels Stationary MobileSee , above right See , above left Installing a Wire Spool For use with a 7 SpoolFor use with a 11 Spool Routing the Wire Figure B Exercise Extreme Caution Risk of Fire AND/OR Electric Shock Attaching the Ground Cable with Clamp Changing Wire SettingsAttaching the Electrode Cable Arc Welder Only See Figure FSee illustration, top right initial Setup Setting Polarity for Welding TypeSet for Electrode Negative Dcen for gasless flux core wire See illustration, bottom rightFigure G Installing a Gas CylinderOperating Instructions Other settings fall between these two rangesBefore You Begin Welding Understanding Duty Cycle Duration of UseVoltage Selector Knob 5C Setting Up the WeldArc Stick Welding Set Up for Model 95424 Only MIG Welding Set UpSee Figures K & J See Figure KFigure J MIG Weld Settings ChartStarting a weld arc for stick arc welding only Arc Stick Welding Set Up , for Model 95424 OnlySee Figure L MIG welding only When the Weld is CompletedNozzle Inspection, Cleaning, and Replacement MIG Only INSPECTION, MAINTENANCE, and CleaningContactTip Inspection, Cleaning, and Replacement MIG Only Or more for .030Tips .067 or more for .045TipsReplacing the Welding Torch Liner MIG Only WarrantyParts List a Parts Lists and DiagramsAssembly Diagrams Power Block #32A Assembly DiagramsFigure N Front Panel #23AFigure O Wire Drive Assembly #16AFigure P Gun SB 25 #20AControllerBlock BCN-4U MIG/Arc Welder 95424 Electrical SchematicMIG Dual Welder 95629 Electrical Schematic Page Welder does not function when switched on TroubleshootingWeak arc strength Welding arc not stableTroubleshooting Wire feeds, but arc does not ignite MIG welding onlyNozzle Plugged Wire feed motor does not run MIG welding onlyRegulator or cylinder valve closed Gas line blocked