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Nelson
Welding System
NCD+
Nelson NCD+ User Manual
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©
201
6 Nelson Stud Welding,
Inc.
Page
19
All Rights Reserved.
January 2016
Part No. 729-
110
-0
43
Rev.
1.02
8
Exploded Drawings
& Parts List
8.1
Contact Gun (751-
650
-
600)
8.1.1
Part
s
List
ITEM
PART NUMBER
QTY
DESCRIPTION
SPARE?
1
D 751-650-001
1
BODY, GUN, RIGHT
2
D 751-650-002
1
BODY, GUN, LEFT
3
A751-650-
003
1
COVER, FRONT
4
A751-650-
005
1
CAP, REAR
5
A751-650-
006
1
BEARING, FRONT
6
A751-650-
007
1
BELLOWS
7
A751-650-
008
2
WASHER, LEG
8
A751-650-
009
1
NUT, CHUCK
9
A751-650-
012
3
PIN, LOCATING
10
A751-650-
101
1
ROD ASM, LIFTING
11
A751-650-
104
1
BEARING RETAINER
12
A751-650-
019
1
SPRING, RETAINER
13
A751-650-
020
1
NUT, ADJUSTING, SPRING
14
A751-650-
021
1
SCREW, ADJUSTING, SPRING
15
A751-650-
022
1
WASHER, FLAT, M4
16
A751-650-
211
1
SWITCH ASM, TRIGGER
17
A751-650-
027
1
TRIGGER
18
A751-585-
021
1
RING, RETAINING
19
87
-
05
-
22
1
SPRING, TRIGGER
20
A720-517-
000
1
JUMPER, CABLE, WELD
21
524
-005-097
4
SCREW, FPS, M5 X 5 LG
22
524
-005-007
2
SCREW, SS, M8 X 8MM LG
23
511
-001-131
1
SPARK SHIELD
24
524
-005-100
3
SCREW, OHM, M4 X 16MM LG
25
524
-005-101
2
SCREW, FHSC, M5 X 16MM LG
26
524
-005-102
1
SCREW, FHSC, M4 X 12MM LG
18
20
Table of Contents
Default Chapter
5
Table of Contents
5
1 Overview
7
Contact Mode Capacitor Discharge Welding
8
NCD+ Contact Guns
8
Operation of the Contact Gun
8
Operation of Contact Gun with LED Option
8
2 LED Option
9
3 Features
10
4 Gun Set-Up
11
Setting up Chuck Assembly
11
Setting up Chuck
11
Adjusting Chuck and Stop Assembly
11
Adjusting Stud Stop Assembly
12
Setting up Foot and Leg Assembly
12
Setting Spring Pressure
13
5 Weld Setup
14
6 Maintenance of Stud Welding System
15
Stud Welding Gun
15
Welding Cable / Control Cable
15
Power Control Unit
15
7 Troubleshooting
16
Visual Weld Inspection and Weld Parameter Adjustments
16
Weld Quality Physical Inspection and Weld Parameter Adjustments
16
Recommendations
16
8 Exploded Drawings & Parts List
19
Contact Gun (751-650-600)
19
Parts List
19
Exploded Drawing
21
Contact Gun with LED Option (751-650-610)
22
Parts List
22
Exploded Drawing
24
Electrical Functions of Guns
25
Triggering Contact
25
Gun Coding
25
Dismantling & Reassembling Welding Guns
25
9 Schematics
26
NCD+ CTRL to GUN, 7 PIN, Contact
26
NCD+ CTRL to GUN, 12 PIN W/LED, Contact
28
10 Technical Specifications
29
Specifications
29
Gun Dimensions
29
Accessories
30
11 Contact Information
31
A Table of Weld Parameters
32
B Spring Pressure Chart
33
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Nelson NCD+ Specifications
General
Brand
Nelson
Model
NCD+
Category
Welding System
Language
English
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