Rockwell Automation Publication 20P-TG003B-EN-P - September 2021
5
Table of Contents
AC Line Snubber Circuit Board and Resistors Removal and Installation
74
Remove the AC Line Snubber Circuit Board and Resistors. . . . 74
Install the AC Line Snubber Circuit Board and Resistors . . . . . 81
Remove the Fuses on the Transient Noise Filter Circuit
Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Install the Fuses on the Transient Noise Filter Circuit Board . . 82
Transient Noise Filter Circuit Board Removal and Installation. . . . 82
Remove the Transient Noise Filter Circuit Board . . . . . . . . . . . . 82
Install the Transient Noise Filter Circuit Board . . . . . . . . . . . . . . 86
Power Supply Filter Circuit Board Removal and Installation . . . . . . 86
Remove the Power Supply Filter Circuit Board. . . . . . . . . . . . . . . 86
Install the Power Supply Filter Circuit Board . . . . . . . . . . . . . . . . 88
Armature Leg Fuses Removal and Installation . . . . . . . . . . . . . . . . . . . 89
Remove the Armature Leg Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Install the Armature Leg Fuses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
SCR Modules Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . . 93
Remove the SCR Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Install the SCR Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
AC Current Transducers Removal and Installation . . . . . . . . . . . . . 101
Remove the AC Current Transducers . . . . . . . . . . . . . . . . . . . . . . 101
Install the AC Current Transducers. . . . . . . . . . . . . . . . . . . . . . . . 107
Bimetal Thermostats Removal and Installation . . . . . . . . . . . . . . . . . 107
Remove the Bimetal Thermostats . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Install the Bimetal Thermostats. . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Cooling Fans Removal and Installation . . . . . . . . . . . . . . . . . . . . . . . . 115
Remove the Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Install the Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Test With the Motor, Without a Mechanical Load . . . . . . . . . . . . . 119
List of Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
List of Board Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Pulse Transformer Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Switching Power Supply Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Field Power Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137