Manuals
/
Lincoln Electric
/
Power Tools
/
Welder
Lincoln Electric
SVM149-A service manual Pro-Cut
Models:
SVM149-A
1
6
92
92
Download
92 pages
48.36 Kb
3
4
5
6
7
8
9
10
<
>
Troubleshooting
Install
Switch Removal and Replacement
Maintenance
Output Problems
PC Board Assembly Input Board
Procedure Recommendations
SVM Error Reporting Form
Controls and Settings
Safety Precautions
Page 6
Image 6
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
PRO-CUT
25
NOTES
Page 5
Page 7
Page 6
Image 6
Page 5
Page 7
Contents
PRO-CUT
Safety
Cylinder may explode if damaged
Safety
Précautions DE Sûreté
Master Table of Contents for ALL Sections
PRO-CUT
Table of Contents
Installation Section
Installation
Technical Specifications PRO-CUT 25 K1756-1
High Frequency Interference Protection
Safety Precautions Electric Shock can Kill
Select Proper Location
Input Electrical Connections
GAS Input Connections
Output Connections
Torch
PRO-CUT
Table of Contents Operation Section
Operation
Safety Precautions
Preheat Temperature for Plasma Cutting
Description
Operational Features and Controls
Design Features Advantages
User Responsibility
Cutting Capability
Consumable Life
Controls and Settings
Limitations
Apparently wrong, reset the machine by turning
Pilot ARC Discussion
Procedure Recommendations
General In All Cases
PRO-CUT
Accessories
General Options Accessories
Maintenance
Routine Maintenance
Electric Shock can kill
PRO CUT
PRO-CUT
Table of Contents Theory of Operation Section
Theory of Operation
General Description
Input Line VOLTAGE, and Auxiliary Transformer
Precharge and Protection
Figure E.3 Precharge and Protection
Main Transformer
Return Return to Section TOC
Figure E.5 Plasma Output Section and Torch
Control Board
Figure E.6 Control Board
Safety PARTS-IN-PLACE Protection
Protection Circuits
Accidental Operation Protection
Insulated Gate Bipolar Transistor Igbt Operation
Table of Contents Troubleshooting & Repair Section
Troubleshooting & Repair
HOW to USE Troubleshooting Guide
PC Board Troubleshooting Procedures
Output Problems
Function Problems
See the Operation section
Troubleshooting & Repair
LED Function Problems
Input Filter Capacitor Discharge Procedure
Description
Discharge Procedure
Right Side of Machine
Main Inverter Board Resistance Test
Right Side of Machine
IGBT’s
D2 D1
D11 D10
PRO-CUT
Input Board Voltage Test
Test Points
Fan
PRO-CUT
Main Inverter Board Voltage Test
P2 P1
P2 P1
PRO-CUT
Torch Continuity and Solenoid Test
Torch Continuity and Solenoid Test
Torch Continuity and Solenoid Test
PRO-CUT
AIR/GAS Solenoid Test
AIR/GAS Solenoid Test
Control Board Removal and Replacement
Small Red Cap
Screws
Over tighten
Input Board Removal and Replacement
Input Board
Input Board Removal & Replacement
PRO-CUT
Main Inverter Board Removal and Replacement
Main Board
Main Inverter Board Removal & Replacement
PRO-CUT
Switch Removal and Replacement
PRO
FAN Removal and Replacement
Fan
Do Not Over tighten
Retest After Repair
Machine Input and Output
Electrical Diagrams
Table of Contents Electrical Diagrams Section
Input Voltage Board
Pressure
SCHEMATIC- Control Printed Circuit Board Sheet
Electrical Diagrams
Electrical Diagrams
PC Board Assembly Main Inverter Board
PC Board Assembly Input Board
Cutting Current Path
SVM Error Reporting Form
