IBM 8862 Hardware Maintenance Manual - Page 80

contaminated

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Complete the following steps to replace damaged or contaminated thermal grease on the microprocessor and heat sink: 1. Place the heat sink on a clean work surface. 2. Remove the cleaning pad from its package and unfold it completely. 3. Use the cleaning pad to wipe the thermal grease from the bottom of the heat sink. Note: Make sure that all of the thermal grease is removed. 4. Use a clean area of the cleaning pad to wipe the thermal grease from the microprocessor; then, dispose of the cleaning pad after all of the thermal grease is removed. Microprocessor 0.01 mL of thermal grease 5. Use the thermal-grease syringe to place 16 uniformly spaced dots of 0.01 mL each on the top of the microprocessor. Note: 0.01mL is one tick mark on the syringe. If the grease is properly applied, approximately half (0.22 mL) of the grease will remain in the syringe. 6. Install the heat sink onto the microprocessor as described in "Installing a microprocessor" on page 44. 70 IBM xSeries 365 Types 8861, 8862: Hardware Maintenance Manual and Troubleshooting Guide

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Complete
the
following
steps
to
replace
damaged
or
contaminated
thermal
grease
on
the
microprocessor
and
heat
sink:
1.
Place
the
heat
sink
on
a
clean
work
surface.
2.
Remove
the
cleaning
pad
from
its
package
and
unfold
it
completely.
3.
Use
the
cleaning
pad
to
wipe
the
thermal
grease
from
the
bottom
of
the
heat
sink.
Note:
Make
sure
that
all
of
the
thermal
grease
is
removed.
4.
Use
a
clean
area
of
the
cleaning
pad
to
wipe
the
thermal
grease
from
the
microprocessor;
then,
dispose
of
the
cleaning
pad
after
all
of
the
thermal
grease
is
removed.
Microprocessor
0.01 mL of
thermal grease
5.
Use
the
thermal-grease
syringe
to
place
16
uniformly
spaced
dots
of
0.01
mL
each
on
the
top
of
the
microprocessor.
Note:
0.01mL
is
one
tick
mark
on
the
syringe.
If
the
grease
is
properly
applied,
approximately
half
(0.22
mL)
of
the
grease
will
remain
in
the
syringe.
6.
Install
the
heat
sink
onto
the
microprocessor
as
described
in
“Installing
a
microprocessor”
on
page
44.
70
IBM
xSeries
365
Types
8861,
8862:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide