Thermal grease, Thermal, Grease – Lenovo 3797 User Manual
Page 112
c.
If
the
new
heat
sink
did
not
come
with
thermal
grease,
apply
thermal
grease
on
the
microprocessor
before
you
install
the
heat
sink
(see
d.
Align
the
heat
sink
above
the
microprocessor
with
the
thermal
grease
side
down.
e.
Slide
the
flange
of
the
heat
sink
into
the
opening
in
the
retainer
bracket.
f.
Press
down
firmly
on
the
heat
sink
until
it
is
seated
securely.
g.
Rotate
the
heat-sink
release
lever
to
the
closed
position
and
hook
it
underneath
the
lock
tab.
6.
Replace
the
components
that
you
removed
in
v
Microprocessor
1:
DIMM
air
baffle
and
PCI
riser-card
assembly
1
(see
and
v
Microprocessor
2:
Microprocessor
2
air
baffle
and
PCI
riser-card
assembly
2
(see
and
7.
Install
the
cover
(see
8.
Slide
the
server
into
the
rack.
9.
Reconnect
the
external
cables;
then,
reconnect
the
power
cords
and
turn
on
the
peripheral
devices
and
the
server.
Thermal
grease
The
thermal
grease
must
be
replaced
whenever
the
heat
sink
has
been
removed
from
the
top
of
the
microprocessor
and
is
going
to
be
reused
or
when
debris
is
found
in
the
grease.
To
replace
damaged
or
contaminated
thermal
grease
on
the
microprocessor
and
heat
exchanger,
complete
the
following
steps:
1.
Place
the
heat-sink
assembly
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
exchanger.
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.
5.
Use
the
thermal-grease
syringe
to
place
nine
uniformly
spaced
dots
of
0.02
mL
1
each
on
the
top
of
the
microprocessor
2 .
96
ThinkServer
RD220
Types
3729,
3779,
3797,
and
3798:
Installation
and
User
Guide