5-1
CHAPTER
5
Replacing Chassis Components
This chapter describes the removal and installation procedures for the Sun Ultra 45
or Ultra 25 workstation chassis components.
This chapter contains the following topics:
■ Section 5.1, “Replacing the Fan Tray and Fan Tray Backplane” on page 5-1
■ Section 5.2, “Replacing the Power Supply” on page 5-4
Caution – To prevent equipment damage, review the safety requirements, safety
symbols, and safety precautions in “Preparing to Replace Components” on page 2-1
before you perform any replacement procedure. Additional cautions, warnings, and
instructions are provided in the Sun Ultra 45 and Ultra 25 Workstations Safety and
Compliance Guide, 819-2785. The document is available from:
http://www.sun.com/documentation.
Caution – When servicing workstation components, attach an antistatic strap to
your wrist and then to a metal area on the chassis. Then disconnect the power cord
from the workstation and the wall receptacle. Following this caution equalizes all
electrical potentials with the workstation.
5.1 Replacing the Fan Tray and Fan Tray
Backplane
This section describes removal and installation of the fan tray and fan tray
backplane.
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