Chapter 6, Introduction, Installing a top hat assembly – Rockwell Automation 2300 Family of Drive Systems Hardware User Manual
Page 57: Introduction -1 installing a top hat assembly -1

Chapter
6
Installing Top Hat Assemblies and
Cutting Holes for Cable Entry/Exit
Introduction
This chapter provides the necessary steps for installing top hat assemblies
onto Bulletin 2300 enclosures and the necessary steps for properly cutting
holes in Bulletin 2300 enclosures for cable entry or exit.
Installing a Top Hat
Assembly
Before you begin your installation, be sure to have the following:
• All the items of the top hat assembly to be installed
• Tool(s) you will need to:
– cut holes into MCC enclosures
– loosen, tighten, and torque #10-32 screws
Note: The longer screws in the kit will be used to fasten the bottom plate
of the assembly to the top of the MCC.
1. Remove the top plate from the MCC (this will be used as the top plate for
the top hat assembly).
2. Attach the back plate to the side frames (items shown in
Figure 6.1). Torque to 32 lb-in (3.6 N-m).
3. Place the bottom plate onto the MCC.
4. Place the assembly onto the bottom plate and secure to the MCC with the
longer screws in the kit. Torque to 32 lb-in (3.6 N-m).
5. Attach the left side plate, right side plate, and front plate to the assembly.
Torque to 32 lb-in (3.6 N-m).
6. Follow the instructions on page 6-3 to cut entry holes into the top plate.
7. Attach the top plate to the assembly. Torque to 32 lb-in
(3.6 N-m).
!
ATTENTION: Remove all power sources to the motor control
center before installing the top hat assembly. Contact with
energized parts can cause injury or death.