IBM 8840 Hardware Maintenance Manual - Page 75

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5. Attention: Be careful when handling the microprocessor and heat sink. If the thermal grease between the microprocessor and heat sink will be reused, do not contaminate it. If replacement thermal grease is provided with the replacement part, be sure to remove all traces of existing thermal grease from the remaining part before applying the new thermal grease. See "Thermal grease" on page 66 for instructions for removing and applying thermal grease. Rotate the heat-sink lever to the open position and carefully remove the heat sink. 6. Rotate the locking lever on the microprocessor socket from its closed and locked position until it stops or clicks in the fully open position (approximately 135° angle). Lever closed Lever closed Lever fully open Lever fully open 7. Attention: Do not use excessive force when removing the microprocessor form the socket. Remove the microprocessor. Chapter 5. Field replaceable units 65

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5.
Attention:
Be
careful
when
handling
the
microprocessor
and
heat
sink.
If
the
thermal
grease
between
the
microprocessor
and
heat
sink
will
be
reused,
do
not
contaminate
it.
If
replacement
thermal
grease
is
provided
with
the
replacement
part,
be
sure
to
remove
all
traces
of
existing
thermal
grease
from
the
remaining
part
before
applying
the
new
thermal
grease.
See
“Thermal
grease”
on
page
66
for
instructions
for
removing
and
applying
thermal
grease.
Rotate
the
heat-sink
lever
to
the
open
position
and
carefully
remove
the
heat
sink.
6.
Rotate
the
locking
lever
on
the
microprocessor
socket
from
its
closed
and
locked
position
until
it
stops
or
clicks
in
the
fully
open
position
(approximately
135°
angle).
Lever closed
Lever closed
Lever
fully
open
Lever
fully
open
7.
Attention:
Do
not
use
excessive
force
when
removing
the
microprocessor
form
the
socket.
Remove
the
microprocessor.
Chapter
5.
Field
replaceable
units
65