Rockwell Automation Allen-Bradley 6181, User Manual, Page: 35 / 91

Adding/Removing System Components 4–3
Publication 6181-6.0
This section shows how to remove the back cover and top cover to
access internal components.
ATTENTION: Review safety precautions on Page 4-1
before proceeding. Failure to follow proper safety
procedures could result in severe electrical shock or
damage to the 6181 Computer.
To remove the back cover or top cover:
1. Disconnect power from the 6181 Computer.
2. Loosen the 8 screws securing the back cover and loosen the 4 screws
securing the top cover.
Note: If the unit is equipped with the optional expansion bay,
only 7 screws secure the back cover. There are also
cables connecting the drive in the expansion bay to the
CPU card inside the unit. You may set the back cover
aside without disconnecting the cables. Refer to
Chapter 6 for more information on installing or
removing the expansion bay.
Removing the Back Cover
and Top Cover