Lincoln Electric NA-3 Service Manual page 30

Na-3 series, na-4 series automatic welding systems
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Section B
- OPERATING INSTRUCTIONS SECTION -
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section B
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operator's Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls and Their Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NA-3N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NA-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inner Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Electronic Voltmeter Operation . . . . . . . . . . . . . . . . . .
Setting for CV or CC Power Sources . . . . . . . . . . . . . . . . . . . . . . . .
Welding with DC Constant Voltage (CV) . . . . . . . . . . . . . . . . . . . . .
Mechanical Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Adjustments and Test Welding . . . . . . . . . . . . . . . . . . .
Welding with DC or AC Constant Current (CC) . . . . . . . . . . . . . . . .
Mechanical Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Adjustments and Test Welding . . . . . . . . . . . . . . . . . . .
Starting and Stopping Sequences . . . . . . . . . . . . . . . . . . . . . . . . . .
Available Starting Sequences . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Travel Starting and Stopping . . . . . . . . . . . . . . . . . . . . .
TABLE OF CONTENTS
NA-3 AND NA-4
Section B
B-2
B-2
B-3
B-3
B-4
B-4
B-5
B-6
B-6
B-7
B-7
B-7
B-8
B-11
B-11
B-11
B-12
B-14
B-14
B-14

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