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WeldSkill 350 MIG
CIGWELD WeldSkill 350 MIG User Manual
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Art # A-10132
WELDSKILL
250
Service Manual
Reversion:
AC
Issue Date:
December 27, 2013
Manual No.:
0-5186
Operating Features:
MIG WELDING MACHINE
350
WIREFEEDER (Optional)
4R
2
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
4
Section 1: Safety Instructions and Warnings
7
Arc Welding Hazards
7
Safety Instructions and Warnings
8
Principal Safety Standards
10
Declaration of Conformity
11
Symbol Chart
12
Servicing Hazards
13
EMF Information
14
Section 2: Introduction
15
How to Use this Manual
15
Equipment Identification
15
Receipt of Equipment
15
Description
15
Transportation Methods
15
User Responsibility
16
Packaged Items
16
Section 3: Safety and Installation
19
Duty Cycle
19
Weldskill 250 MIG Power Source Specifications
20
Weldskill 350 MIG Power Source Specifications
21
Weldskill 4R Wirefeeder Specifications
22
Environment
23
Location
23
Ventilation
23
Mains Supply Voltage Requirements
24
Electrical Input Connections
25
Electromagnetic Compatibility
25
Installation and Users Responsibility
25
Assessment of Area
26
Volt-Ampere Curves
27
Section 4: Operation
29
Power Source Front Panel
29
Power Source Internal Welding Controls
31
Wirefeeder Front Panel
34
Shielding Gas Regulator Operating Instructions
34
Setup for the Weldskill 250 & 350 MIG Power Source
37
Wire Reel Brake
39
Setup for the Weldskill 250 & 350 MIG Power Source When Fitted with Wirefeeder
39
Wire Reel Brake
41
How to Lift WELDSKILL 4R Wirefeeder
41
Section 5: Main Circuit Description
43
Main Circuit Description
43
Section 6: Troubleshooting
45
Power Source / Wirefeeder Faults
45
Checking Unit before Applying Power
46
Tools Needed for Troubleshooting and Servicing
46
Case Removal
47
Visually Inspect
48
Check Main Output Rectifier
49
Check Main on / off Switch
50
Check Main AC Contractor
51
Control PCB
52
Troubleshooting
53
Circuit Diagram for Control PCB
54
Advanced Troubleshooting
58
Test Specification
62
Weldskill 250 Mig Power Source Circuit Diagram
63
Weldskill 350 Mig Power Source Circuit Diagram
64
Section 7: Disassembly Procedure
65
Safety Precautions for Disassembly
65
Control Board Removal
66
Disassembly Procedure
67
Front Panel Assembly Removal
68
Wirefeeder Assembly Removal
70
Back Panel Removal
71
Power Switch S1 and Power Cord Removal
72
Output Rectifier Removal
73
Section 8: Assembly Procedures
75
Installing Output Rectifier Assembly
75
Installing Back Panel
76
Installing Front Panel
78
Installing Main Control Panel
80
Installing Case
81
Section 9: Replacement Parts
83
Power Source
83
Replacement Parts
84
Replacement Parts
85
Section 10: Options and Accessories
87
Options and Accessories
87
Cigweld Limited Warranty
89
Warranty Schedule-January 2011
93
Global Customer Service Contact Information
93
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CIGWELD WeldSkill 350 MIG Specifications
General
Brand
CIGWELD
Model
WeldSkill 350 MIG
Category
Welding System
Language
English
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