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fabricator 141i
ESAB fabricator 141i Service Manual
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ESAB F
ABRICA
TOR 141i
Manual 0-5448
7-3 DISASSEMBL
Y PROCEDURE
7.03
Display PCB3 Removal
!
WARNING
Read and follow safety information in Section 6.02 before proceeding with disassembly
.
1.
Remove Control Panel screws.
2.
Disconnect the harness from the connectors.
3
Remove Display PCB3.
4.
Remove Remote Interface PCB4.
1
A-1292
9
68
70
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
5
Section 1: Safety
7
Safety Precautions
7
Section 2
9
Introduction
9
Receipt of Equipment
9
Description
9
How to Use this Manual
9
Transportation Methods
10
User Responsibility
10
Fabricator 141I Portable System Package (Part No. W1003141)
10
Section 3
11
Safety and Installation
11
Duty Cycle
11
Specifications
12
Environment
13
Location
13
Ventilation
14
Electricity Supply Voltage
14
Electromagnetic Compatibility
15
Victor Flowmeter/ Regulator
16
Volt-Ampere Curves
18
Section 4
21
Operation
21
Power Source Controls, Indicators and Features
21
Attaching the Fusion 140A MIG Gun
27
Inserting Wire into the Wire Feed Mechanism
28
Installing 4" (100Mm) Diameter Spool
29
Installing 8" (200Mm) Diameter Spool
29
Feed Roller Pressure Adjustment
30
Changing the Feed Roll
31
Wire Reel Brake
31
Flowmeter/ Regulator Operation
32
Setup for MIG (GMAW) Welding with Gas Shielded MIG Wire
33
Setup for MIG (FCAW) Welding with Flux Core (Gasless) Wire
34
Setup for SPOOL GUN MIG (GMAW) Welding with Gas Shielded MIG Wire
35
Setup for LIFT TIG (GTAW) Welding
35
Setup for STICK (SMAW) Welding
37
Torch Adapter Thumb Screw Replacement
38
Section 5
41
Theory of Operation
41
Inverter Design
41
Section 6
43
Troubleshooting
43
Pre-Power up Checks
43
Tools Needed for Troubleshooting and Servicing
43
Troubleshooting
44
Case Removal
46
Clear Protective Sheet Removal
47
Visually Inspect
47
Preliminary DC Bus Measurement of the Main PCB1
48
Check Main on / off Switch
49
Check Main Input Rectifier
50
DC Bus Voltage Measurement
50
PCB Connectors
51
DIP Switch Settings, Control PCB2
60
Calibration
61
Main Circuit Description
64
Circuit Diagram
66
Section 7
67
Disassembly Procedure
67
Safety Precautions for Disassembly
67
Control PCB2 Removal
67
Display PCB3 Removal
69
Front Panel Assembly Removal
71
Rear Panel Removal
72
ON/ off Switch SW1 and Power Cord Removal
73
Base Panel Removal and Main PCB1 Disassembly
74
Section 8
75
Assembly Procedures
75
Installing Base Panel
75
Installing Rear Panel
76
Installing Front Panel
77
Installing Control PCB2 and Clear Protective Sheet
78
Installing Case
80
Section 9: Key Spare Parts
83
Tweco Fusion 140A MIG Gun Parts
83
Power Source
84
Hardware List
86
Section 10
89
Options and Accessories
89
Revision History
90
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ESAB fabricator 141i Specifications
General
Brand
ESAB
Model
fabricator 141i
Category
Welding System
Language
English
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