© 2016 Nelson Stud Welding, Inc.
Page 5
All Rights Reserved.
January 2016
Part No. 729-110-043 Rev. 1.02
Contents
1
Overview ....................................................................................................................... 7
1.1.1
Contact Mode Capacitor Discharge Welding ........................................................... 8
1.2
NCD+ Contact Guns ................................................................................................. 8
1.2.1
Operation of the Contact Gun .............................................................................. 8
1.2.2
Operation of Contact Gun with LED Option ............................................................ 8
2
LED Option .................................................................................................................... 9
3
Features ...................................................................................................................... 10
4
Gun Set-Up .................................................................................................................. 11
4.1
Setting Up Chuck Assembly ..................................................................................... 11
4.1.1
Setting Up Chuck ............................................................................................. 11
4.1.2
Adjusting Chuck and Stop Assembly ................................................................... 11
4.1.3
Adjusting Stud Stop Assembly ........................................................................... 12
4.2
Setting Up Foot and Leg Assembly ........................................................................... 12
4.3
Setting Spring Pressure .......................................................................................... 13
5
Weld Setup .................................................................................................................. 14
6
Maintenance of Stud Welding System .............................................................................. 15
6.1
Stud Welding Gun .................................................................................................. 15
6.2
Welding Cable / Control Cable ................................................................................. 15
6.3
Power Control Unit ................................................................................................. 15
7
Troubleshooting ............................................................................................................ 16
7.1
Visual Weld Inspection and Weld Parameter Adjustments ............................................ 16
7.2
Weld Quality Physical Inspection and Weld Parameter Adjustments .............................. 16
7.2.1
Recommendations ........................................................................................... 16
8
Exploded Drawings & Parts List ...................................................................................... 19
8.1
Contact Gun (751-650-600) .................................................................................... 19
8.1.1
Parts List ........................................................................................................ 19
8.1.2
Exploded Drawing ............................................................................................ 21
8.2
Contact Gun with LED Option (751-650-610) ............................................................. 22
8.2.1
Parts List ........................................................................................................ 22
8.2.2
Exploded Drawing ............................................................................................ 24
8.3
Electrical Functions of Guns ..................................................................................... 25
8.3.1
Triggering Contact ........................................................................................... 25