Rockwell Automation 2100M Feeder Circuit Breaker Units Secure Support Pan and ChangeDoor Latch - Manual (Page 4)

4 Rockwell Automation Publication 2100-IN091A-EN-P - April 2013
Feeder Circuit Breaker Units Secure Support Pan and Change Door Latch
Before You Begin
Secure the Support Pan and
Change the Door Latch
To secure the support pan and change the door latch, complete these steps.
1. Remove the Feeder Unit from the Section .
2. Remove the Unit Below the Feeder Unit .
3. Secure the Support Pans .
4. Install Latch Angle Bracket .
5. Install Units .
6. Install New Door Latch Screw and Label .
Remove the Feeder Unit from
the Section
Follow these steps to remove the Feeder unit.
1. Make sure the operator handle is in the OFF/O position.
2. Verify that all control power and other power sources are off in the Motor
Control Center lineup.
3. Open the Feeder unit door completely.
4. Mark the phase on each load wire in the Feeder unit to assist with later
wire connection.
ATTENTION: De-energize all power sources to the Motor Control Center before
opening any section or unit doors. Verify that all power is OFF, as per NFPA 70E,
Standards for Electrical Safety Requirements. Failure to de-energize all power
sources can result in severe injury or death.
ATTENTION: To prevent personal injury or damage to equipment, make sure
that the unit operator handle is in the OFF/O position before removing plug-in
units.
ATTENTION: De-energize all units before installing or removing.
When installing or removing MCC units, when possible, de-energize, lockout, and
tag-out all sources of power to the MCC. If the MCC units are installed or removed
with power applied to the main power bus, follow established electrical safety
work practices. Refer to the NFPA 70E Standard for Electrical Safety in the
Workplace publication.
Review your company safety lockout and tag-out procedure.
If power sources are connected to the motor control center, use extreme caution
when inserting units. All buses and the line sides of the inserted units are
energized, and contact with these parts can cause injury or death.
All covers and doors must be in place before applying power to the MCC. If units are
removed, they must be replaced with the appropriate items, such as units, doors,
and unit support pans.