IBM 8840 Hardware Maintenance Manual - Page 70

bracket

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Microprocessor 0.01 mL of thermal grease 5. Use the thermal grease syringe to place 16 uniformly spaced dots of 0.01mL each on the top of the microprocessor. Fan bracket Note: 0.01mL is one tick mark on the syringe. If the grease is properly applied, approximately half (0.22mL) of the grease will remain in the syringe. 6. Install the heat sink onto the microprocessor as described in "Installing a microprocessor" on page 42. This section contains instructions for removing and replacing the fan bracket. Note: v Read "Installation guidelines" on page 23. v Read the safety notices at Appendix B, "Safety information," on page 117. v Read "Handling static-sensitive devices" on page 25. Complete the following steps to remove the fan bracket: 1. Turn off the server and any attached devices. 2. Disconnect external cables and option cables from the back of the server. 3. Remove the server cover (see "Removing the cover" on page 28). 4. Remove the air baffle (see "Removing the air baffle" on page 29). 5. Release the fan bracket retention latches. 60 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide

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Microprocessor
0.01 mL of
thermal grease
5.
Use
the
thermal
grease
syringe
to
place
16
uniformly
spaced
dots
of
0.01mL
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
(0.22mL)
of
the
grease
will
remain
in
the
syringe.
6.
Install
the
heat
sink
onto
the
microprocessor
as
described
in
“Installing
a
microprocessor”
on
page
42.
Fan
bracket
This
section
contains
instructions
for
removing
and
replacing
the
fan
bracket.
Note:
v
Read
“Installation
guidelines”
on
page
23.
v
Read
the
safety
notices
at
Appendix
B,
“Safety
information,”
on
page
117.
v
Read
“Handling
static-sensitive
devices”
on
page
25.
Complete
the
following
steps
to
remove
the
fan
bracket:
1.
Turn
off
the
server
and
any
attached
devices.
2.
Disconnect
external
cables
and
option
cables
from
the
back
of
the
server.
3.
Remove
the
server
cover
(see
“Removing
the
cover”
on
page
28).
4.
Remove
the
air
baffle
(see
“Removing
the
air
baffle”
on
page
29).
5.
Release
the
fan
bracket
retention
latches.
60
xSeries
346
Types
8840
and
1880:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide