SAFETY PRECAUTIONS ................................................................................................................1
Kit Components Table....................................................................................................................2
Step 1: General Breaker Preparation ..............................................................................................3
Step 2: Removing the Original Components ...................................................................................3
Step 3: Drilling the Mounting Holes Needed for the Retrofit............................................................4
Step 4: Installing the Sensors and Sensor Harness........................................................................5
Step 5: Installing the Aux. CT Module .............................................................................................6
Step 6: Installing the Reset Link Assembly .....................................................................................7
Step 7: Preparing the DTA Assembly .............................................................................................. 8
Step 8: Installing the DTA Assembly ...............................................................................................9
Step 9: Setting the Gap and Cage Height .....................................................................................10
Step 10: Installing the Breaker Mounted CPT ...............................................................................11
Step 11: Preparing the Trip Unit Assembly .................................................................................... 13
Step 12: Installing the Trip Unit Assembly .....................................................................................14
Step 13: Final Connection of the Harnesses and Wiring...............................................................14
Step 14: Testing the Breaker ......................................................................................................... 16
Step 15: Mounting the Cell Harness .............................................................................................16
Step 16: Installing the Retrofitted Breaker in the Cell....................................................................17
Torque Values for General Mounting ..........................................................................................22
Torque Values for Copper BUS Connectors ..............................................................................22
INDEX ............................................................................................................................................26
IL 33-A1C-1
Digitrip Retrofit System for Allis Chalmers LA-1600 Blue
Table of Contents
