Torque specifications – Rockwell Automation PF700 PowerFlex 700 Drive Components Replacement - Frame 9 User Manual
Page 18
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Rockwell Automation Publication 20B-IN025B-EN-P - January 2011
Chapter 1 Component Diagrams and Torque Specs
Torque Specifications
The following table lists fastener locations by component, how the fasteners are
used, and torque specifications. See
in this chapter for fastening
two-point, four-point, and six-point components to the heat sink.
Torque
Component Fastener
Application
lb•in
N•m
Fan Motor
Motor to Fan Cover Assembly
14
2
Fan Cover Assembly
Assembly to chassis
26
3
Fan Transformer
Transformer to chassis
26
3
Fan Capacitor
Capacitor to chassis
Hand tighten
MOV Surge Suppressor
MOV to chassis
14
2
Converter Snubber Board
Board to Input Rectifier
50
6
Balancing Resistor
Resistor to heat sink
Initial sequence:
6
0.7
Final sequence:
26
3
Balancing Resistor
Wires to Capacitor Busbar Assembly
50
6
Converter Heatsink Thermal
Sensor
Thermistor to heatsink
14
2
Main Control Panel Thermal
Sensor
Thermistor to mounting bracket
14
2
Bus Capacitor Holder
Holder to Bus Capacitors
26
3
Capacitor Busbar Assembly
Assembly to Bus Capacitors
50
6
Gate Interface Board
Board to Power Modules
14
2
Inverter Power Module (IGBT)
Busbar
Busbar to Power Modules
80
9
Inverter Power Module (IGBT)
Module to heat sink
Initial sequence:
6
0.7
Final sequence:
32
3.6
DIN Rail (TB1)
Rail to chassis
50
6
PE Shortening Bar
Bar to TB1
80
9
Converter Power Module (SCR)
SCR to heat sink
Initial sequence:
6
0.7
Final sequence:
50
6
Transitional Busbar Assembly
Assembly to Power Module Busbar
Assembly
80
9
DC Bus Inductor L1
Inductor to chassis
50
6
Busbar Cable Adaptor
Adaptor to Transitional Busbar and DC Bus
Inductor
80
9
Converter Bus and Motor
Busbars
Busbars to all connections
80
9
Wires (PE)
Wires to Ground Stud
80
9
Wires Wires
to
TB1
80
9
Wire (TE)
Wire to TB1
50
6
Wires Wires
to
TB2
7
0.8