C
HEETAH
128
S
ERIES
–
C
HAPTER
9
81-9059-0587-0
Rev. B
Proprietary Information of
QuStream Corp
.
9-3
9.1.4
Cheetah 128 Series Fan Replacements
These switchers are equipped with surface-mounted fan assemblies (see Figure 9-1) that are
easily removed from the rear exterior of the chassis.
F
IGURE
9-1
128 Series Fan Assemblies and Associated Power Connections
Perform the following sequence to replace a faulty fan assembly:
1.
Disconnect the fan power cord from the chassis fan power receptacle.
2.
Remove the four fan-assembly retaining screws.
3.
Replace the fan and secure with the four, fan assembly with the retaining screws (torque
according to screw size).
When replacing fans during energized system conditions, be aware that the
new fan replacement will energize upon power reconnection.
4.
Reconnect the fan power cord to the chassis fan power receptacle.
Fan Array
Fan Array
128NE Frame
128XE/WE Frame
Summary of Contents for PESA CHEETAH 128 Series
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