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Lincoln Electric
SVM 117-A
service manual
Wire-Matic
Models:
SVM 117-A
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Troubleshooting
Install
Electrical Diagrams
Timer KIT K585-1
Wire-Matic
Maintenance
Liner Removal Replacement
Accessories
GUN Handle Disassembly
Reconnect Procedure
Page 6
Image 6
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
WIRE-MATIC
250
NOTES
Page 5
Page 7
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Image 6
Page 5
Page 7
Contents
WIRE-MATIC
Safety Depends on You
Safety
ARC Welding can be hazardous
Cylinder may explode if damaged
Electric and MAG- Netic Fields
Iii
Précautions DE Sûreté
Sûreté Pour Soudage a L’Arc
WIRE-MATIC
Table of Contents
Table of Contents
Installation
Fuse Superlag
Duty Cycle Amps Volts at Rated Amps
Current Range
Type 750C Copper
Input Connections
Safety Precautions
Select Proper Location
Stacking
Fuse and Wire Sizes
Input Power Connections and Ground Connections
Connect Shielding GAS
Reconnect Procedure
Figure A.4 Input Air Supply Connections
Figure A.5 Reconnect Diagram For 208/230/1/60 Machines
Connect Output Components GUN Liner and Contact
Installation
Install the Work Clamp
Output Polarity Connection
Wire Size Conversion Parts
GUN and Cable Installation
WIRE-MATIC
Operation
Safety Instructions
General Description
WELDING, Cutting
Power Source Features
Design Features Advantages
Unit Features
Recommended Processes and Equipment
Limitations
Wire Feeder Features
Machine Capability
Duty Cycle Amps Volts
Controls and Settings
Figure B.1 Operator Controls
Using the Wire Drive Roll
Procedure for Changing Drive Roll
Loading the Wire Reel
Proper Wire Feeding
Feeding Electrode
To mount 10 to 30 lb. spools 8 and 12 diameter
Setting Idle Roll Pressure
Operating Steps
Starting the Welder
Making a Weld
WIRE-MATIC
Accessories
OPTIONS/ACCESSORIES
Installing the K607-1 Spool GUN Adapter KIT
K607-1 Spool GUN Adapter KIT
Installation
Spool GUN Module Board
Spool GUN Connection BOX Installation
Return Return to Section TOC
Spool GUN Connection
Spool GUN Preparation
Making a Weld with the Spool GUN Adapter K607-1 Installed
Making the Weld
Timer KIT K585-1
Drive Roll Kits
Steel Wire Sizes Part Number
Aluminum Wire Sizes
To Make Spot Plug Welds
Maintenance
Routine and Periodic Maintenance
Perform the following daily
Maintenance
Drive Rolls and Guide Tubes GUN Tubes and Nozzles
Contact TIP and GAS Nozzle Installation
Cable Cleaning
DROP-IN Reel Spindle and Clips
Liner Removal Replacement
Figure D.2 Liner maintenance
GUN Handle Disassembly
To open up the handle
Description English Size Metric Size
WIRE-MATIC
Theory of Operation
Input Line Voltage and Main
Transformer
Output Rectification
Feedback Control
Constant Voltage Output
Figure E.4 Constant Voltage Output
Wire Drive Motor
Feedback
Thermal Protection
SCR Operation
Figure E.6 SCR Operation
WIRE-MATIC
Troubleshooting & Repair
HOW to USE Troubleshooting Guide
Recommended Course of Action
PC Board Troubleshooting Procedures
Electric Shock can kill
Board can be dam- aged by static electricity
Main Transformer
Rectifier Assembly Test
To Section TOC
Perform the SCR Rectifier
Perform the Wire Drive Motor
Liquid elec
Trolyte in these capacitors is
Perform the Output Rectifier
Main Transformer Test
Test Description
Materials Needed
Main Transformer Test Test Procedure
ON/OFF Power Switch will be hot during these tests
Main Transformer Test
Static SCR Rectifier Assembly Test
Leads
Figure F.4 SCR 1 Test Points
Active SCR Rectifier Assembly Test
Leads
Figure F.7 SCR Tester Circuit
SCR connections
Wire Drive Motor and Tachometer Feedback Test
Wire Drive Motor and Tachometer Feedback Test Test Procedure
Test for Supply Voltage to Tachometer
Test for Feedback Voltage to the Control Board
Scope Settings
Normal Open Circuit Voltage Waveform
Machine Loaded to 250 Amps AT 26 VDC Scope Settings
Typical Output Voltage Waveform Machine Loaded
Machine Loaded to 220 Amps AT 22 VDC Scope Settings
Troubleshooting & Repair
Typical SCR Gate Voltage Waveform
Control PC Board Removal and Replacement
Removal and Replacement Procedure
Materials Needed
Removal and REPLACE- Ment Procedure
Wire Drive Assembly Removal and Replacement
Wire Drive Assembly Removal and Replacement Procedure
Figure F.11 Wire Drive Assembly Removal
SCR Output Rectifier Removal & Replacement
Right side heat sink See Figure F.14
Disconnection Heat Sink Lead
Capacitor Bank Removal and Replacement
Bank Removal Replacement
Components
Main Transformer Removal and Replacement
Power Switch
FAN Motor and FAN Removal and Replacement
FAN Motor and FAN Removal and Replacement Procedure
Figure F.16 Fan Motor and Fan Removal Components
Troubleshooting & Repair
Input Volts/Hertz
Wire Speed Range
Open Circuit Voltage
230/60 375
WIRE-MATIC
Table of Contents Electrical Diagrams Section
WIRE-MATIC
Electrical Diagrams
Spool GUN Option
Wiring Diagram 208/230 Code
To Section
Available from Lincoln
Control PC Board G2332 Layout
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