Nortel Passport 15000, Установка и обслуживание оборудования, Страница: 769 / 874

Chapter 17 Hardware procedures 769
Passport 15000, 20000 Hardware Installation, Maintenance, and Upgrade 5.2S2
Removing door hardware from the top of a frame
Remove door hardware from the top of a NEBS 2000 frame as part of re-
deploying all of the door hardware.
Prerequisites
• You must be familiar with “Safety considerations and best practices”
(page 53).
• Identify the hardware in the figures
— “Location of the upper door hardware on a top frame bracket on a
NEBS 2000 frame” (page 770)
— “Orientation of upper right door hardware” (page 771)
— “Orientation of upper left door hardware” (page 772)
• You need the tools identified in the Prerequisites of “Door hardware
removal from a NEBS 2000 frame” (page 125).
• As each part is removed, thread the screws and washers back into it so
that screws of different lengths remain associated with the appropriate
part.
Procedure steps
1 At the top right side of the frame, unfasten the 4 screws of the door catch
as shown in the figure “Orientation of upper right door hardware”
(page 771).
2 At the top left side of the frame, unfasten the 4 screws of the door hinge
as shown in the figure “Orientation of upper left door hardware”
(page 772).