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A-07360
Thermal Arc A-07360 Manuals
Manuals and User Guides for Thermal Arc A-07360. We have
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Thermal Arc A-07360 manual available for free PDF download: Service Manual
Thermal Arc A-07360 Service Manual (102 pages)
MIG WELDING MACHINE
Brand:
Thermal Arc
| Category:
Welding System
| Size: 4 MB
Table of Contents
Service Manual
1
Table of Contents
4
Section 1
7
Safety Instructions and Warnings
7
Arc Welding Hazards
7
Principal Safety Standards
10
Dangers Relatifs Au Soudage À L'arc
11
Precautions de Securite en Soudage a L'arc
11
Principales Normes de Securite
14
Section 2
15
Introduction
15
How to Use this Manual
15
Equipment Identification
15
Symbol Chart
16
General Information
17
Safety
17
Protective Filter Lenses
17
User Responsibility
17
Duty Cycle
18
Specifications
18
Included Items
20
Optional Accessories
20
Installation
21
Environment
21
Location
21
Ventilation
21
Input Power Requirements
22
Alternative Mains Supply Voltages
22
Quick Setup
23
Installation of Shielding Gas (GMAW) Process
24
Section
26
Attaching the Gun and Cable Assembly to the Power Source
27
Input and Output Wire Guide Installation
29
Selection and Installation of Feedrolls
29
Installing Wire Spool
30
Inserting Wire into the Feedhead
31
Wirefeeder Drive Roller Pressure Adjustment
32
Wire Reel Hub Brake
32
Spool Gun Attachment
33
Polarity Changeover
34
Operation
37
Power Supply Controls, Indicators and Features
37
Weld Mode Selector
40
TWECO Weldskill 250 AMP Weld Gun
42
Installing a New Wire Conduit
42
MIG Gun Maintenance
43
Basic Welding Technique
44
Stitch Welding Operation
46
Spot Welding Operation
47
Gas Selection for Gas Metal Arc Welding
48
Welding Setting Selection Guide
50
Maintenance
53
Section
53
Routine Maintenance & Inspection
53
Troubleshooting
55
Basic Troubleshooting
55
Solving Problems Beyond the Welding Terminals
56
Welding Problems
58
Advanced Troubleshooting
61
Preliminary Checks
61
Initial Setup Conditions
62
Primary Power Test
62
Logic and Control Tests
63
Spool Gun Control (J1) Test
64
Output Voltage Test
65
Wire Feed & Weld Test
66
Primary Power Problems
66
Logic and Control Problems
67
Spool Gun Control (J1) Problem
68
Output Voltage Problem
68
Wire Feed and Weld Problems
68
Terminal Block Voltage Test
69
SW3 Coarse and SW4 Fine Rotary Switch Test
70
MIG Timer PCB (PCB2) Test
72
Rectifier Assembly Test
73
Main Transformer Test
74
Circuit Operation
75
Circuit Operation of the Control PCB 7977964
75
Circuit Operation of the Digital Volt/Amp PCB 704883
76
Circuit Operation of the Spool Gun PCB 7978034
77
Section 9
79
Parts List
79
Equipment Identification
79
How to Use this Parts List
79
External Replacement Parts
80
Major Electrical and Mechanical Replacement Parts
82
Internal Replacement Parts (1)
83
Internal Replacement Parts (2)
84
Internal Replacement Parts-Spool Assembly
85
Internal Replacement Parts-Wire Feed
86
Wire Feeder Replacement Parts
87
Appendix 1: Optional Accessories and Consumables
89
Appendix 2: Options and Accessories (Con't
90
Appendix 3: Feed Roll Kits
91
Appendix 4: Power Supply Circuit Diagram
92
Control Pcb
92
Appendix 5: Main Pcb Circuit Diagram
94
Appendix 6: Spot Timer Circuit Diagram
96
Limited Warranty
98
Warranty Schedule
99
Global Customer Service Contact Information
101
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