Rockwell Automation FD86N Drive Systems Enclosure Hardware - Manual (Page 27)

Publication S-3062 – November 1997
Chapter
3
Joining Bus Bar Assemblies
Introduction This chapter provides the instructions for splicing bus bars, joining bus
bar assemblies, and connecting ground buses and cables.
Before You Begin
Before you begin this procedure, be sure to have these tools:
•
Socket and box wrenches for ½
″
hardware.
•
Torque wrench with ½
″
socket.
•
Drive bit for recessed 6-lobe, Torx type screws (M6 x 16).
Torque all splice connections to between 45 and 55 lb-ft (61 to 75 Nm).
Splicing Single Bus Bar Assemblies To splice single bus bar assemblies together:
1. Verify that this splice hardware is present. All hardware is grade 5.
•
½-13 hex nuts
•
½
″
conical washers
•
½
″
flat washers
•
½-13 x 1-¾ hex head cap screws
2. Verify that contact surfaces are free of dirt and debris.
3. See Figure 3.1 for installation.
!
ATTENTION: Use the hardware supplied with the
bus bar splice assembly.
Figure 3.1
Splicing Single Bus Bar Assemblies
Flat Washer, Conical
Washer, and Nut
Bolt and Flat Washer
Splice Bar
Bus Bar
Splice Bar
Front of FD86N Bus Bar Enclosure
Top Down View