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Victor
Welding System
CUTMASTER
Service Manual
Page 80 (APPENDIX 5: SYSTEM SCHEMATIC, 400 V UNITS)
Victor CUTMASTER - APPENDIX 5: SYSTEM SCHEMATIC, 400 V UNITS
80 pages
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Asia Pacific Regional Headquarters
71 Gower Street
Preston, Victoria, Australia, 3072
T
elephone: +61 3 9474 7400
F
AX: +61 3 9474 7391
Email: enquiries@victortechnologies.com.au
www
.victortechnologies.com
79
Table of Contents
Main Page
Default Chapter
1
Service Manual
1
Table of Contents
4
Section 1
7
General Information
7
Important Safety Precautions
7
Notes, Cautions and Warnings
7
Publications
10
Servicing Hazards
10
EMF Information
12
Declaration of Conformity
13
Section 2 System
15
Introduction
15
How to Use this Manual
15
Equipment Identification
15
Receipt of Equipment
15
Transportation Methods
15
Working Principle
16
Power Supply Features
17
Section 2Torch: Introduction
19
01 Scope of Manual
19
02 Specifications
19
03 Introduction to Plasma
20
Section 3
21
Installation
21
Unpacking
21
Lifting Options
21
Air Supply Connections
22
Power Source Specifications
23
Input Wiring Specifications
25
Section 4 System
27
Operation
27
Control Panel
27
Preparations for Operating
28
Sequence of Operation
30
Cut Quality
32
General Cutting Information
33
Section 5
35
Theory of Operation
35
Inverter Design
35
Section 6
37
Troubleshooting
37
Basic Troubleshooting-Power Source Faults
37
Checking Unit before Applying Power
39
Tools Needed for Troubleshooting and Servicing
39
Case Removal
40
Visually Inspect
41
Preliminary Check of the Main Inverter Board
42
Check Main ON/ off Switch
44
Check Pressure Switch
45
Check Regulator
46
Check Main Input Rectifier
47
DC Bus Voltage Measurement
48
Check of Control PCB
49
Waveforms
52
Main Circuit Description
53
Circuit Diagram
56
Section 6 Torch
57
Service
57
01 General Maintenance
57
02 Inspection and Replacement of Consumable Torch Parts
58
Section 7
59
Disassembly Procedure
59
Safety Precautions for Disassembly
59
Control PCB Removal
60
Front Panel Assembly Removal
61
Front Panel (Operator Interface) PCB Removal
62
Rear Panel Removal
63
Power Switch S1 and Power Cord Removal
64
Base Panel Removal
65
Section 8
67
Assembly Procedures
67
Installing Base Board
67
Installing Rear Panel
68
Installing Front Panel
70
Installing Main Control PCB and Clear Cover Sheet
71
Installing Case
73
Section 9
75
Replacement Parts
75
Power Source Replacement Parts
75
Introduction
75
SL60 Replacement Parts
76
Options and Accessories
76
Statement of Warranty
77
Global Customer Service Contact Information
79
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