IBM x3655 Service Guide - Page 108

Removing, heat-sink, retention, module

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Attention: Do not touch the thermal grease on the bottom of the heat sink or set down the heat sink after the plastic cover is removed. Touching the thermal grease will contaminate it. Thermal grease Heat sink a. Make sure that the heat-sink release lever is in the open position. b. Remove the plastic protective cover from the bottom of the heat sink. c. Align the heat sink above the microprocessor with the thermal grease side down. Press firmly on the heat sink. Retainer bracket Heat sink release lever Microprocessor d. Slide the rear flange of the heat sink into the opening in the retainer bracket. e. Press down firmly on the front of the heat sink until it is seated securely. f. Rotate the heat-sink release lever to the closed position and hook it underneath the lock tab. 6. Install the air baffle (see "Installing the air baffle" on page 42). 7. Install the riser-card assembly (see "Installing the riser-card assembly" on page 85). 8. Install the cover (see "Installing the cover" on page 40). 9. Slide the server into the rack. 10. Connect the cables and power cords. 11. Turn on all attached devices and the server. Removing a heat-sink retention module To remove a heat-sink retention module, complete the following steps: 1. Read the safety information that begins on page vii, and "Installation guidelines" on page 35. 2. Turn off the server, and all attached devices. 90 IBM System x3655 Type 7985: Problem Determination and Service Guide

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Attention:
Do
not
touch
the
thermal
grease
on
the
bottom
of
the
heat
sink
or
set
down
the
heat
sink
after
the
plastic
cover
is
removed.
Touching
the
thermal
grease
will
contaminate
it.
Thermal grease
Heat sink
a.
Make
sure
that
the
heat-sink
release
lever
is
in
the
open
position.
b.
Remove
the
plastic
protective
cover
from
the
bottom
of
the
heat
sink.
c.
Align
the
heat
sink
above
the
microprocessor
with
the
thermal
grease
side
down.
Press
firmly
on
the
heat
sink.
Retainer bracket
Microprocessor
Heat sink
release lever
d.
Slide
the
rear
flange
of
the
heat
sink
into
the
opening
in
the
retainer
bracket.
e.
Press
down
firmly
on
the
front
of
the
heat
sink
until
it
is
seated
securely.
f.
Rotate
the
heat-sink
release
lever
to
the
closed
position
and
hook
it
underneath
the
lock
tab.
6.
Install
the
air
baffle
(see
“Installing
the
air
baffle”
on
page
42).
7.
Install
the
riser-card
assembly
(see
“Installing
the
riser-card
assembly”
on
page
85).
8.
Install
the
cover
(see
“Installing
the
cover”
on
page
40).
9.
Slide
the
server
into
the
rack.
10.
Connect
the
cables
and
power
cords.
11.
Turn
on
all
attached
devices
and
the
server.
Removing
a
heat-sink
retention
module
To
remove
a
heat-sink
retention
module,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
vii,
and
“Installation
guidelines”
on
page
35.
2.
Turn
off
the
server,
and
all
attached
devices.
90
IBM
System
x3655
Type
7985:
Problem
Determination
and
Service
Guide