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Welding System
NCD+
Nelson NCD+ User Manual
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©
201
6 Nelson Stud Welding,
Inc.
Page
22
All Rights Reserved.
January 2016
Part No. 729-
110
-0
43
Rev.
1.02
8.2
Contact Gun with LED Option (751-
650
-
610)
8.2.1
Part
s
List
ITEM
PART NUMBER
QTY
DESCRIPTI
ON
SPARE?
1
751
-650-009
1
CHUCK NUT
2
751
-650-007
1
BELLOWS
3
524
-005-097
2
SCREW, M5X5 FPSS ZINC
4
751
-650-003
1
COVER, FRONT MACHINING
5
524
-005-007
2
SCREW, M8X8 FPSS
6
751
-650-006
1
FRONT BEARING
7
729
-023-017
1
12MM D RETAINING RING
8
526
-001-234
1
MAIN SPRING
9
751
-650-210
1
WASHER SPRING
10
726
-013-002
1
COLLET
11
751
-585-021
1
E-RING
12
751
-650-027
1
TRIGGER BUTTON
13
87
-
05
-
22
1
TRIGGER SPRING
14
751
-650-022
1
M4 BRASS WASHER
15
751
-650-211
1
TRIGGER ASM SWITCH
16
524
-005-105
1
SCREW, M5X10 SHC DIN
91
17
751
-650-202
1
LIFTING ROD ASM
18
729
-023-021
1
PIN, ROLL, CIRCUM 1.5X4
19
524
-005-104
1
THICK M5 NUT
20
720
-517-000
1
WELD CABLE JUMPER
21
751
-650-209
1
WASHER, RESIDUAL
22
751
-650-216
1
COIL ASM
23
751
-650-217
1
COIL HOLDER
24
524
-005-103
1
SCREW, M3X5 LHS DIN7984
X
25
751
-650-213
1
ARMATURE, SPRING RETAINER
26
524
-005-323
1
STANDOFF, HEX MMC#93655A091
27
526
-001-266
1
COMPRESSION RING
28
524
-005-330
1
SCREW, M3X10 FPSS MMC#92605A104
29
751
-650-219
1
SPRING PRESSURE ADJUSTMENT NUT
30
524
-005-324
1
SPACER MMC#92871A171
21
23
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
5
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Nelson NCD+ Specifications
General
Brand
Nelson
Model
NCD+
Category
Welding System
Language
English
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