Lincoln Electric SVM189-B service manual 12OPERATION, Do not Remove or Conceal Warning Labels

Page 22

B-12OPERATION

B-12

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(See Figure B.16)

9.Feed the wire through the wire drive inlet along the inner wire guide groove and into the wire drive out- let on the gun side.

10.Close the top drive roll pressure arm and secure by pivoting the tension adjustor back to the up posi- tion.

11.Re-install the outer wire guide.

(See Figure B.17)

12.Remove the nozzle and contact tip from the gun and straighten the gun cable out flat.

SLIDE WIRE INTO GUN CONNECTOR SIDE

FIGURE B.16

TOP IDLER ROLL

PRESSED AGAINST

LOWER DRIVE ROLL TENSION ADJUSTOR

LOCKED IN POSITION

DIRECTION OF WIRE

WIRE SPOOL

.025" (0.6mm)

L

 

-

 

5

 

6

IG

 

S

 

OLI DM

DRIVE ROLL

BE SURE WIRE

IS IN GROOVE

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13.Turn the machine power to on and depress the gun trigger to feed the wire through the gun liner until the wire comes out of the threaded end of the gun several inches. (See Figure B.18)

14.When trigger is released the spool of wire should not unwind. Adjust wire spool brake accordingly.

WARNING

MOVING PARTS AND ELECTRICAL CONTACT CAN CAUSE INJURY OR BE FATAL.

FIGURE B.17

REMOVED NOZZLE

REMOVED CONTACT TIP

LAY CABLE AND GUN STRAIGHTEN

IN THIS POSITION

WIRE SPOOL

.025" (0.6mm)

L

 

IG

-5

6

 

SOLIDM

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•When the gun trigger is depressed drive rolls, spool of wire and electrode are ELECTRICALLY LIVE (HOT).

Keep away from moving parts and pinch points.

Keep all Doors, Covers, panels and

guards securely in place.

DO NOT REMOVE OR CONCEAL WARNING LABELS.

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15. Install the .025”(0.6mm) contact tip.

16. Install the brass gas MIG welding nozzle to the gun.

17. Trim the wire stickout to 3/8”(9.5mm) from the nozzle

end. (See Figure B.19)

FIGURE B.18

ON/OFF

SWITCH

FEED WIRE

APPROXIMATELY 4.00"

FROM THE GUN TUBE END

DEPRESS TRIGGER

TO ACTIVATE WIRE,

WHICH FEEDS THE WIRE

THRU THE LINER.

WORK CLAMP AND CABLE

PLUG IN POWER

INPUT CORD

WIRE SPOOL

.025" (0.6mm)

L

 

IG

-5

6

 

SOLIDM

ROTATION

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18.

Close the case side door. The machine is now ready

 

to weld.

19.

Read "Learn to Weld" (LTW1) that is included with the

 

machine or watch the "How to Weld" DVD included

 

with the machine.

20.

Based on the thickness of the material you are going

 

to weld and the type and diameter of the welding wire

 

set the voltage and the wire feed speed per the pro-

 

cedure decal attached to the inside of the wire drive

 

compartment door.

FIGURE B.19

TRIM WIRE

STICKOUTINSTALL .025 CONTACT TIP 3/8"(9.5mm)

from the Brass Nozzle

INSTALL BRASS NOZZLE

COMPACT WIRE WELDERS

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Contents Safety Depends on You SVM189-BSafety California Proposition 65 WarningsElectric Shock can kill ARC Rays can burn For Electrically Welding CuttingIii Précautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical SpecificationsStacking Safety PrecautionsSelect Suitable Location TiltingIdentify and Locate Components Table of Contents Operation Section Common Welding Abbreviations OperationProduct Description Product Capabilities Wear eye, ear and body protec- tionSee Figure B.1 Controls and SettingsSee Figure B.2 See Figure B.3 Drive Roll Tension Thumbscrew TurningWire Diameter Drive Roll Drive Roll Part Inner Wire Guide Number Part NumberSetting UP and Making a FLUX-CORED Weld Items Needed for Flux Cored WeldingConnect Leads and Cables on Load Wire SpoolMachine Figure B.9 MIG Conversion Kit K2526-1 025Install Shielding GAS Shielding GAS11OPERATION Connect Leads and Cables on the Machine12OPERATION Do not Remove or Conceal Warning LabelsFigure B.20 Compact Wire Welders Table of Contents Accessories Section K2532-1 Magnum 100SG Spool Gun AccessoriesK2525-1 Spot Timer Kit K2377-1 Small Canvas CoverK520-Utility Cart K2275-1 Welding Cart Technical Specifications Magnum 100SG Spool GUN K2532-1 Unpacking the Spool GUNSafety Precautions Locating Spool GUN Components FeaturesAssembly of Items Inside the Magnum Spool GUN Figure C.3Recommended Welding Machines Safety Precautions Welding MachinesSpool GUN Disconnect input power from the machine Spool GUN / Wire Drive Selector Switch InstallationOpen the Machine 11.B. Connect P5 6-pin to harness J8 6-pin Electrical Connections11.C. Connect harness P8 6-pin to board J5 6- pin If Machine does have Optional Spot Timer .A. thru 12.D 544A 543AMounting the Switch RE-ASSEMBLE Machine AS FollowsRoutine Welding Machine Preparation ACCESSORIESC-13Disconnect input power to the machine Preparing the Spool GUNLoading Aluminum Wire Figure C.5Figure C.11 Connecting the GUN to the Welding Machine Figure C.17Table of Contents Maintenance Section Maintenance Safety Precautions MaintenanceRoutine Maintenance Overload Protection GUN and Cable MaintenanceFor Magnum 100L GUN GUN Handle Parts Changing LinerLiner trim length Major Component Locations Maintenance 1TABLE of CONTENTS-THEORY of Operation Section E-1 Theory of Operation General DescriptionFigure E.3 Input Power Circuits Input Line VOLTAGE, FAN Motor & Main TransformerOutput CONTROL, Rectification & Voltage Feedback Figure E.4 Output CircuitsTRIGGER, GAS Solenoid and Wire Drive Figure E.5 TRIGGER, GAS Solenoid & Wire DriveSCR Operation Figure E.6 SCR OperationElectronic Wire Drive Motor Protection Compact Wire Welders Table of Contents Troubleshooting & Repair Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Wiring Diagram OUTPUT/FEEDING Problems Feeding Problems Welding Problems Maintenance Section Issues Maintenance Section Cone or gas diffuser Test Description Case Cover Removal and Replacement ProcedureMaterials Needed Procedure Figure F.1 Case RemovalGAS Solenoid Test GasSolenoid Leads Wire Drive Motor Test Test Procedure MOT-MOT+Main Transformer Test Secondary Test Procedure Secondary Lead Compact Wire Welders FAN Motor Test Figure F.5. Control Board Lead Locations Typical Output Voltage Waveform Machine Loaded Scope SettingsVolts 10Volts 20ms Abnormal Open Circuit Voltage Waveform Control Board Removal and Replacement Procedure See Figure F.7 Nameplate Control Knob Compact Wire Welders Power Module Removal and Replacement Procedure Viewed from Rear of Machine Center Panel PolarityPanel CenterPanelScrews OutputStuds Compact Wire Welders Misc. Hand Tools Dow Corning Fine Steel Wool See Figure F.12 Dow Corning Figure F.12 DOW Corning Application Areas Transformer Compact Wire Welders Wire Drive Motor Removal and Replacement Procedure Lincolnelectric Phillips Mounting Screws Compact Wire Welders FAN Motor Assembly Removal and Replacement Procedure Viewed from Rear of Machine Center Panel CenterPanelScrews Locking Tabs Fan Retest After Repair 140 AMP Units Troubleshooting & Repair Retest After Repair 125 AMP UnitsWire Speed Range Open Circuit VoltageTroubleshooting & Repair Retest After Repair 180 AMP Units Table of Contents Diagram Section Wiring Diagram COmpacT WirE WElDErSSpool GUN Interface Wiring Diagram Wiring Diagram M20410-3 a COmpacT WirE WElDErS Thermostat TMP FAN TS1SchEmaTic cOmplETE machiNE m21240 C12 R1Feed R24