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Thermal Arc Manuals
Welding System
185 AC
Service manual
Thermal Arc 185 AC Service Manual
Inverter arc welders
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Service Manual
Table of Contents
Section
Principal Safety Standards
Precautions de Securite en Soudage À L'arc
Dangers Relatifs Au Soudage À L'arc
Principales Normes de Securite
Safety Instructions and Warnings
Arc Welding Hazards
Introduction
How to Use this Manual
Equipment Identification
Symbol Chart
Description
Functional Block Diagrams
Transporting Methods
Section
Electrical Input Connections
Electrical Input Requirement
Input Power
High Frequency Introduction
High Frequency Interference
Duty Cycle
Specifications
Arcmaster 185/200 ACDC Controls
Installation
Environment
Location
Operator Controls
Weld Process Selection
Weld Parameter Descriptions for ARC MASTER 185/200 ACDC
Weld Parameters for ARC MASTER 185/200 ACDC
Power Source Features
Set-Up for Smaw (Stick) and Gtaw (Tig)
Sequence of Operation
Stick Welding
AC or DC HF TIG Welding
Slope Mode Sequence
Slope Mode with Repeat Sequence
Pulse Controls
Routine Maintenance
Section 8
Basic Troubleshooting
General Troubleshooting
Common Welding Operation Faults
TIG Welding Problems
Stick Welding Problems
Power Source Problems
Error Codes
Voltage Reduction Device (Vrd)
VRD Specification
VRD Maintenance
Switching VRD On/Off
Section 10
Advanced Troubleshooting
System-Level Fault Isolation
Opening the Enclosure
Verification and Remedy to the Indicated Error Codes
Verification and Remedy to Failures Without Indication Codes
Fault Isolation Tests
Verification of the Power Input Circuitry
Verification of Power Supply Voltage
Section 11
Repair Procedures
Maintenance List
Service Tools
Tools and Parts
Notes of Disassembly and Assembly
Replacement Procedure
Pcb1 (Wk-5477)
PCB2 (WK-5596) 185ACDC Only
PCB2 (WK-5482) 200ACDC Only
Pcb3 (Wk-5548), Pcb5 (Wk-5551)
Pcb4 (Wk-4819)
Pcb6 (Wk-5549)
Pcb7 (Wk-5550)
Pcb8 (Wk-5479) (Igbt (Q1~Q6)
Pcb9 (Wk-5479) (Igbt (Q7~Q12)
Pcb10 (Wk-5527)
Pcb11 (Wk-5528)
PCB12 (WK-5615), Transformer (T1), Current Trans (CT2)
Pcb13 (Wk-5569)
Pcb16 (Wk-5499)
Pcb14 (Wk-5570)
Pcb17
Discharge Resistor (R3)
Current Limiting Resistor (R4, R5)
Resistor on High Frequency Unit (R6)
Coupling Coil (CC1)
Reactor (FCH1)
Primary Thermistor (TH1)
Secondary Thermistor (TH2)
Cooling Fan (FAN1)
Solenoid Valve (SOL1)
Main ON/OFF Switch (S1)
Input Voltage Switch (S2)
Remote Connector (CON1)
High Freguency Unit (HF.UNIT1)
Hall C.T. (HCT1)
Primary Diode (D1)
Secondary Diode (D2, D4, D5)
Secondary IGBT (Q13) (PCB15 (WK-3367)
Appendix 1: Parts List
Equipment Identification
How to Use this Parts List
Appendix 2 Connection Wiring Guide
Appendix 3: 200 Acdc Interconnect Diagram
Appendix 3: 185 Acdc Interconnect Diagram
Appendix 3: 200 Acdc Interconnect Diagram
Appendix 4 Diode Testing Basics
Limited Warranty
Warranty Schedule
Global Customer Service Contact Information
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185 AC/DC
200 AC/DC
Service Manual
ARCMASTER
INVERTER ARC WELDERS
Revision No: AE.04
Operating Features:
GTAW
®
Art # A-07227
Issue Date: May 22, 2006
50
INVERTER
Hz
60
SMAW
Manual No.: 0-4884B
AC
CC
DC
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Table of Contents
Troubleshooting
BASIC TROUBLESHOOTING
39
ADVANCED TROUBLESHOOTING
51
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This manual is also suitable for:
185 dc
200 ac
200 dc
Arcmaster 200
185 ac/dc arcmaster
200 ac/dc arcmaster
...
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Arcmaster a-07227
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