© 2016 Nelson Stud Welding, Inc.
Page 14
All Rights Reserved.
February 2016
Part No. 729-110-042 v1.03
3.3.2
Setting Spring Pressure in Contact Mode
Required tools: NCD+ Weld gun, chuck and foot per application, flat bladed screwdriver
1
Ensure Contact spring is installed per section 3.3.3
2
Section 8.4 Table of Weld Parameters
for the recommended spring pressure.
3
With a flat bladed screwdriver or NCD+ Set-Up Tool #525-001-200, turn travel adjustment screw on the back
of the weld gun counter clockwise until it stops.
4
Loosen leg screws.
5
Insert stud in chuck.
6
Adjust foot so that the stud stick-out matches the desired plunge.
7
Tighten leg screws to lock tripod foot or spark shield in place.
8
With a stud in the gun, compress the gun against a
non-conductive
block. Trigger the gun to see if the
chuck and stud will retract.
It should not retract.
9
Turn the spring pressure adjustment knob to desired spring pressure. For the
contact
spring each mark
equates to 1 lb of spring force and the minimum is 7 lbs.
