Thermal Arc 185 DC Manuals

Manuals and User Guides for Thermal Arc 185 DC. We have 1 Thermal Arc 185 DC manual available for free PDF download: Service Manual

Thermal Arc 185 DC Service Manual

Thermal Arc 185 DC Service Manual (122 pages)

INVERTER ARC WELDERS

Brand: Thermal Arc | Category: Welding System | Size: 5 MB

Table of Contents

Service Manual
1
Table of Contents
4
Section

7
Safety Instructions and Warnings

7
- Arc Welding Hazards
  7
Introduction

15
- How to Use this Manual
  15
- Equipment Identification
  15
- Symbol Chart
  16
- Description
  17
- Functional Block Diagrams
  18
- Transporting Methods
  19
Section

21
- Electrical Input Connections
  21
- Electrical Input Requirement
  21
- Input Power
  23
- High Frequency Introduction
  23
- High Frequency Interference
  24
- Duty Cycle
  24
- Specifications
  25
- Arcmaster 185/200 ACDC Controls
  27
Installation

21
- Environment
  21
- Location
  21
Operator Controls

27
Set-Up for Smaw (Stick) and Gtaw (Tig)

33
Sequence of Operation

35
- Stick Welding
  35
- AC or DC HF TIG Welding
  35
- Slope Mode Sequence
  36
- Slope Mode with Repeat Sequence
  36
- Pulse Controls
  36
- Routine Maintenance
  
  37
Section 8

39
- Basic Troubleshooting
  
  39
  - General Troubleshooting
    39
  - Common Welding Operation Faults
    39
  - TIG Welding Problems
    40
  - Stick Welding Problems
    42
  - Power Source Problems
    44
  - Error Codes
    45
- Voltage Reduction Device (Vrd)
  
  47
  - VRD Specification
    47
  - VRD Maintenance
    47
  - Switching VRD On/Off
    48
Section 10

51
Section 11

69
- Repair Procedures
  
  69
- Maintenance List
  69
- Service Tools
  73
- Tools and Parts
  73
- Notes of Disassembly and Assembly
  73
- Replacement Procedure
  74
- Pcb1 (Wk-5477)
  74
- PCB2 (WK-5596) 185ACDC Only
  75
- PCB2 (WK-5482) 200ACDC Only
  76
- Pcb3 (Wk-5548), Pcb5 (Wk-5551)
  78
- Pcb4 (Wk-4819)
  79
- Pcb6 (Wk-5549)
  80
- Pcb7 (Wk-5550)
  80
- Pcb8 (Wk-5479) (Igbt (Q1~Q6)
  81
- Pcb9 (Wk-5479) (Igbt (Q7~Q12)
  81
- Pcb10 (Wk-5527)
  82
- Pcb11 (Wk-5528)
  83
- PCB12 (WK-5615), Transformer (T1), Current Trans (CT2)
  84
- Pcb13 (Wk-5569)
  87
- Pcb16 (Wk-5499)
  88
- Pcb14 (Wk-5570)
  88
- Pcb17
  89
- Discharge Resistor (R3)
  90
- Current Limiting Resistor (R4, R5)
  92
- Resistor on High Frequency Unit (R6)
  92
- Coupling Coil (CC1)
  93
- Reactor (FCH1)
  94
- Primary Thermistor (TH1)
  95
- Secondary Thermistor (TH2)
  95
- Cooling Fan (FAN1)
  96
- Solenoid Valve (SOL1)
  97
- Main ON/OFF Switch (S1)
  97
- Input Voltage Switch (S2)
  98
- Remote Connector (CON1)
  99
- High Freguency Unit (HF.UNIT1)
  100
- Hall C.T. (HCT1)
  101
- Primary Diode (D1)
  102
- Secondary Diode (D2, D4, D5)
  102
- Secondary IGBT (Q13) (PCB15 (WK-3367)
  103
Appendix 1: Parts List

106
- Equipment Identification
  106
- How to Use this Parts List
  106
Appendix 2 Connection Wiring Guide

110
Appendix 3: 200 Acdc Interconnect Diagram

116
Appendix 3: 185 Acdc Interconnect Diagram

116
Appendix 3: 200 Acdc Interconnect Diagram

116
Appendix 4 Diode Testing Basics

116
Limited Warranty

118
Warranty Schedule

119
Global Customer Service Contact Information

121

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