22 Rockwell Automation Publication 20B-IN026C-EN-P - October 2015
Chapter 1 Component Diagrams and Torque Specifications
Table 2 - Converter Torque Specification
Side Standoffs and Brackets Fasten Transitional Busbar Assembly to standoffs 50 5.6
Fasten brackets to the drive chassis 26 2.9
Snubber Capacitor Mount Nuts Fasten Snubber Capacitor to the Tie Down
Capacitor Mount
26 2.9
Switch Mode Power Supply Board Fasten to the Main Control Panel 16 1.8
Thermal Sensor Fasten to the Main Control Panel 16 1.8
Tie Down Capacitor Mount Mounting strip for Snubber Capacitors 50 5.6
Transitional Bus Bar Fastens to the Bus Capacitor set screws 50 5.6
Torque
Component Fastener Application lb•in N•m
AC Busbars Fasten to SCR Modules 208 23.5
AC Input Cables Fasten to the AC Bus Flags 208 23.5
Busbar Standoffs Fasten Busbars to the glastic Standoffs 16 1.8
DC+/DC- Busbars Fasten to SCR Modules 208 23.5
DC Cable Fasten to the DC Busbars 108 12.2
DC Link Choke Fasten DC Link Choke to Mount 80 9.0
Heatsink Fan Fasten to Mounting Plate 50 5.6
Heatsink Fan Mounting Plate Fasten to Chassis 26 2.9
MOV Ground Stud Fasten to Stacking Plate 26 2.9
MOV Mounting Nut Fasten to Precharge Board Stack Plate 26 2.9
MOV R, S, and T Phase Wires Fasten at Power Terminal Block 26 2.9
Precharge Board Fasten to Stacking Plate 16 1.8
Snubber Board (DC1 Terminal Wires) Fasten to DC+ Busbar 26 2.9
Precharge Board J1 Black Wire, DC
(+Bus)
Fasten to Screw on DC- Busbar Hand tighten
Precharge Board J1 Red Wire, DC (-
Bus)
Fasten to DC1 Terminal on Snubber Board 26 2.9
Precharge Board Shield Fasten to Stacking Plate 26 2.9
SCR Modules Fasten to Heatsink 50 5.6
Snubber Boards Fasten to DC- Busbar 26 2.9
Snubber Resistors Fasten to Precharge Board Stack Plate 26 2.9
Thermal Sensor Fasten to Heatsink 6 0.6
Torque
Component Fastener Application lb•in N•m
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