Allen-Bradley 6177R-MM, User Manual

Page: 38 / 104

38 Rockwell Automation Publication 6177R-UM002E-EN-P - March 2017
Chapter 4 Replace Components
Remove the Cover To install, replace, or upgrade internal computer components, you must first
remove the cover.
Follow these steps to remove the side cover for a 750R computer or the top
cover for a 1450R computer.
1. Follow the steps for Pre-configuration on page 36 .
2. Unfasten the cover from the computer chassis:
• 750R computers: Remove the three screws on the rear edge of the
side cover (A).
• 1450R computers: Remove the two screws on the rear edge of the top
cover (A).
3. Slide the cover back about 1.5 cm (0.5 in.) to release the hinge tabs (B).
4. Tilt the cover up slightly to disengage the hinge tabs from their lock
slots.
5. Pull the cover away from the chassis (C).
6. After you install, replace, or upgrade internal computer components,
reinstall the cover as detailed in Reinstall the Cover on page 39 .
750R Computer
1450R Computer
A
A
A
C
B
C
B
A
B
C
B
C
A