Lincoln Electric NA-5N manuals

Owner’s manuals and user’s guides for Welding System Lincoln Electric NA-5N.
We providing 1 pdf manuals Lincoln Electric NA-5N for download free by document types: User Manual


Table of contents

AUTOMATIC WELDING SYSTEMS

1

FOR ENGINE

2

ELECTRIC AND

2

MAGNETIC FIELDS

2

ARC RAYS can burn

3

ELECTRIC SHOCK can kill

3

FUMES AND GASES

3

PRÉCAUTIONS DE SÛRETÉ

5

PRÉCAUTIONS DE SÛRETÉ POUR

5

LES MACHINES À SOUDER À

5

TRANSFORMATEUR ET À

5

REDRESSEUR

5

- INSTALLATION SECTION

8

INSTALLATION

10

A-16A-16

23

TABLE OF CONTENTS

24

OPERATING INSTRUCTIONS

25

Travel Starting and Stopping

28

Start Circuitry

33

Cold Start Circuitry

33

- ACCESSORIES SECTION

36

ACCESSORIES

37

- MAINTENANCE SECTION

42

Automatic

43

Shutdown

43

Automatic Shutdown

44

MAINTENANCE

45

THEORY OF OPERATION

48

Step 3. RECOMMENDED COURSE OF

55

Table F.1

58

T2 Transformer Test

58

Drive Motor Test

58

Wire Drive Motor

59

Voltage Board Transformer

60

#21 - #67 External

60

#21-#67 External resis

62

#21-#67 External

63

ResistanceTest

63

T1 and T2

65

Transformer Test

65

Wire Drive Motor Test

73

Voltmeter Accuracy

80

Meter Circuit

80

Accuraty Test

80

Out of Voltage

81

Range Shutdown Test

81

TROUBLESHOOTING & REPAIR

100

Motor Applied Voltage

102

Installation section

106

External

107

Resistance Test

107

DC Power Supply

109

Meter Circuit Accuracy Test

111

Installation Section

111

CR3 RELAY

112

Troubleshooting Guide

115

(Feeding Problems)

115

PC Board

125

Troubleshooting Procedures

125

Tach Board Removal

135

Procedure

135

Tach Board

137

Replacement Procedure

137

Troubleshooting Section

138

Voltmeter Accuracy Test

138

Wire Speed Accuracy Test

138

NOTES

139

ELECTRICAL DIAGRAMS

140

Wiring Diagram

142

CLEVELAND, OHIO U.S.A

143





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