Rockwell Automation 2100M Feeder Circuit Breaker Units Secure Support Pan and ChangeDoor Latch - Manual (Page 6)

6 Rockwell Automation Publication 2100-IN091A-EN-P - April 2013
Feeder Circuit Breaker Units Secure Support Pan and Change Door Latch
12. If one of the following units is directly above or below the Feeder/Main
unit, verify that the incoming power source is off and that the operator
handle is in the OFF/O position before you open that unit door:
• Main Lug Compartment unit (Bulletin 2191)
• Main Disconnect Switch unit (Bulletin 2192M)
• Main Circuit Breaker unit (Bulletin 2193M)
• Frame mounted unit
• Bottom horizontal wireway
Remove the Unit Below the
Feeder Unit
If the unit below the Feeder unit is a plug-in unit, remove that plug-in unit from
the section. Follow step 1 … 11 of Remove the Feeder Unit from the Section to
remove any additional units from the MCC section.
Secure the Support Pans Follow these steps to secure the support pans.
1. Secure the left-rear corner of the unit support pan with a 10-32
self-tapping screw and tighten to 32 lb•in (3.6 N•m) by using a 5/16 in.
socket wrench.
IMPORTANT Add the screw to the Feeder unit support pan and the unit support pan above
the Feeder unit, if one is installed.
TIP You can use an industrial, battery-powered screwdriver with a strong magnetic
bit. Use a driver bit extension. We recommend placing a cloth near the work
area to catch the screw if it falls from the driver bit. You can use a small pry bar
between the right-hand edge of the unit support pan and the right-hand unit
support to better align the holes on the left-hand edge of the unit support
pan. Inserting these screws can take more than one attempt.
Unit Support Pan
10-32 self-tapping
screw
32 lb•in (3.6 N•m)
Unit Support Pan
Right-hand Unit
Support
Pry Bar
Gently apply pry
bar to align holes.