9.
With
the
two
captive
screws
loosened,
rotate
the
leaf-spring
assemblies
outward
and
out
of
the
notches
on
the
fan-sink
assembly.
Attention:
Before
attempting
to
remove
the
fan
sink
from
the
microprocessor,
note
that
the
heat-conducting
grease
between
the
fan
sink
and
the
microprocessor
might
have
formed
a
strong
bond.
Do
not
force
the
components
apart;
doing
so
can
damage
the
microprocessor
pins.
Loosening
one
screw
fully
before
loosening
the
other
screw
will
help
to
break
the
thermal
bond
that
adheres
the
fan
sink
to
the
microprocessor.
10.
Lift
the
fan
sink
up
and
out
of
the
computer,
gently
twisting
it
if
necessary
to
loosen
it
from
the
microprocessor.
Important:
a.
Fan
sink
1
and
fan
sink
2
are
not
interchangeable.
Installing
fan
sink
2
on
microprocessor
1
will
impede
movement
of
the
drive
cage.
b.
Be
careful
when
handling
the
adhesive
material
on
the
microprocessor.
If
the
adhesive
material
on
the
microprocessor
will
be
reused,
do
not
contaminate
it.
If
replacement
adhesive
material
is
provided
with
the
replacement
part,
be
sure
to
remove
all
traces
of
existing
adhesive
material
from
the
microprocessor
before
applying
the
new
adhesive
material.
11.
Rotate
the
release
lever
on
the
microprocessor
socket
from
its
closed
and
locked
position
until
it
stops
or
clicks
in
the
fully
open
position
(90°).
Alignment
holes
Alignment
pins
Press points
Short
screws
Second-microprocessor
connectors
System
board
Microrpocessor
board
Option screws
(captive)
Figure
29.
Location
of
screws
on
microprocessor
board
116
IBM
IntelliStation
A
Pro
Type
6217:
Problem
Determination
and
Service
Guide
Содержание IntelliStation A Pro 6217
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Страница 188: ...Part Number 31R1994 Printed in USA 1P P N 31R1994...