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Tektronix TAS 475 - Page 139

Tektronix TAS 475
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Removal and Installation Procedures
Fan and Fan Mount
6·36
The procedures that follow describe how to remove and install the
Fan
and
Fan
Mount.
Additional procedures required - This procedure requires that the
following procedures
be
performed first:
Rear Cover Removal
Cabinet Removal
Fan and
Fan
Mount Removal
1.
Set the oscilloscope so its bottom
is
down.
2.
Unplug the fan's power cable from the
A63
Power Supply module.
3.
Rotate the oscilloscope so the side that houses the fan mount
is
facing
upwards.
4.
Depress the two flex locks to release them (see Figure 6-20).
5.
While holding the flex locks released, slide the fan mount so its four
retainer lugs
slide from their small retainer holes
in
the chassis into their
large release holes.
6.
Move the fan mount inward
so
its retainer lugs are out of the large
retainer holes and lift the fan mount and
fan
it out of the chassis.
Maintenance
Scan by Zenith

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