Miller Electric S-21E User Manual
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TABLE OF CONTENTS
Section No.
Page No.
SECTION 1
-
SAFETY PRECAUTIONS AND SIGNAL WORDS
1-1.
General Information And Safety
1
1-2.
Safety Alert Symbol And Signal Words
1
1-3.
Safety Precautions
1
SECTION 2- SHIPPING AND STORAGE
2-1.
Preparation For Reshipment
2
2-2.
Storage
2
SECTION 3— SPECIFICATIONS
3-1.
Description
3
SECTION 4- INSTALLATION OR RELOCATION
4-1.
Location
3
4-2.
Drive Roll Installation
3
4-3.
Welding Gun Connections
5
4-4.
Shielding Gas Installation
5
4-5.
14-Pin Plug Connection
6
4-6.
Welding Wire Installation
6
4-7.
Welding Wire Threading
7
4-8.
Adjust The Hub Tension
8
4-9.
Welding Cable Connection
8
4-10.
Feeding Welding Wire
8
SECTION 5-OPERATOR CONTROLS
5-1.
Power Switch
9
5-2.
Wire Speed Control
9
SECTION 6— SEQUENCE OF OPERATION
6-1.
Gas Metal Arc (GMAW) And Flux Cored Arc (FCAW) Welding
9
6-2.
Shutting Down
10
SECTION 7- THEORY OF OPERATION
7-1.
Theory Of Operation
10
Diagram 7-1. Block Diagram For Wire Feeder
11
Diagram 7-2. Block Diagram For SpotlBurnback Time Control Option
12