CD-A DUAL PULSE RESISTANCE WELDING POWER SUPPLY
990-430
4-1
CHAPTER 4
Operating Instructions
Section I: Introduction
Before You Start
Before
operating the Power Supply, you must be familiar with the following:
•
The
location
and
function
of Controls and Indicators. For more information, see
Chapter 1,
Description
of this manual.
•
How to select and modify items on the Power Supply display screen. Make sure you have read
Chapter 3, Using Display Screens.
•
The principles of resistance welding and the use of programmed weld schedules. For more
information, see
Appendix E, The Basics of Resistance Welding.
For additional information on
the welding process, see
Appendix F, Quality Resistance Welding Solutions, Defining the
Optimum Process
.
Pre-Operational Checks
Always perform these checks
before
attempting to operate the Power Supply.
Connections
Verify the Power Supply is connected to a manual or air-actuated weld head as described in
Chapter 2,
Installation & Setup
in this manual. Verify the
EMERGENCY STOP SWITCH
connector cable, located on
the rear panel, is connected properly.
Power
Verify AC input power is connected as described in
Chapter 2, Installation & Setup
in this manual.
Compressed Air
If you are using an air-actuated weld head, verify that compressed air is connected as described in the
appropriate sections of your weld head manual. Turn the compressed air ON, and adjust it according to
the instructions in your weld head manual.
