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KC237900
Miller Electric KC237900 - User Manual
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TIG-RIG
(Basic) Models And Models W
ith
Optional Pulser And Electroslope
Processes
Descrip
tio
n
TIG (GT
A
W) W
elding
Enables Welding Power Source to
provide TIG as well as Stick capability
OM
-530J
May 1993
Eff. w/Serial Number KC237900
Stick (SMA
W) Welding
Shielded Metal Arc
(Stick) W
elding
Automatic W
elding
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Section 1 - Safety Precautions and Signal Words
5
General Information and Safety
5
Safety Alert Symbol and Signal Words
5
Section 2 - Specifications
5
Description
6
Section 3 - Installation or Relocation
6
Site Selection
6
Transporting Methods
6
Component Installation on Factory Installed Units
6
Field Installation of TIG-Unit
7
Field Installation of Pulser
10
Field Installation of Electroslope
10
Procedure for Remote TIG-Unit Installation
11
Field Installation of Optional Preflow Timer
12
Field Installation of Optional Spot Timer
14
Remote 14 Receptacle Information and Connections
14
Gas Connections
15
Coolant Connections (Optional)
15
115 Volts AC Duplex Receptacle and Circuit Breaker
15
Section 4 - Operator Controls
16
Amperage Adjustment Control and Remote Amperage Switch
16
Polarity Switch
16
Gas/Coolant Switch
16
Gas/Coolant Postflow Control
17
Remote Hand Controls
17
High Frequency Switch
18
High Frequency Control
18
Meters (Optional)
18
Pulser Switch (Pulser Models Only)
18
On Time" Control (Pulser Models Only)
19
Pulses/Second Control (Pulser Models Only)
19
Background Control (Pulser Models Only)
19
Electroslope (Electroslope Models Only)
21
Electroslope Switch (Electroslope Models Only)
21
Percentage Initial Amperage Control (Electroslope Models Only)
21
Percentage Upslope Rate Control (Electroslope Models Only)
21
Percentage Downslope Rate Control (Electroslope Models Only)
22
Percentage Final Amperage Control (Electroslope Models Only)
22
Preflow Time Control & Switch (Optional)
22
Spot Time Control and Switch (Optional)
22
Section 5 - Sequence of Operation
23
Gas Tungsten Arc Welding
23
Shielded Metal Arc Welding with TIG-Unit
24
Shutting down
24
Section 6 - Maintenance & Troubleshooting
24
Routine Maintenance
24
Tungsten Electrode
25
Spark Gap Adjustment
26
Overload Protection
27
Circuit Board Handling Precautions
27
Troubleshooting
27
Section 7 - Electrical Diagrams
29
Diagram 7-2. Circuit Diagram for Postflow Timer
30
Diagram 7-3. Circuit Diagram for Pulser (Optional)
30
Diagram 7-5. Circuit Diagram for Preflow Timer (Optional)
32
Diagram 7-6. Circuit Diagram for Spot Timer (Optional)
32
Section 8 - Certification for High Frequency Arc Welding Equipment
33
General
33
Definitions
33
High-Frequency Radiation
34
Location
34
General Installation Procedures
34
Guidelines for Installation of High-Frequency Assisted Arc Welding Power Sources
36
Installation Guidelines Checklist
36
Section 9 - Parts List
37
Figure 9-2. Panel, Control Rear W/Components
39
Figure 9-3. HF Panel
40
Figure 9-4. Panel, Front W/Components
41
Figure 9-5. Switch, Polarity (300 & 400A Models)
43
Figure 9-6. Pulser (Optional)
44
Figure 9-7. Electroslope 9 (Optional)
45
Figure 9-8. Switch, Polarity (500 & 600A Models)
46
Figure 9-9. Panel, Control Front W/Components
47
Optional Equipment
48
Options and Accessories
50
Owner's Record
52
For Service
52
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Miller Electric KC237900 Specifications
General
Brand
Miller Electric
Model
KC237900
Category
Welding System
Language
English
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