Lenovo ThinkCentre M50e Hardware Maintenance Manual - Page 137

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13. Use the thermal grease syringe to place 16 uniformly spaced dots of 0.01ML each on the top of the microprocessor. Microprocessor 0.01 mL of thermal grease 14. Place the fan and heat sink into position on the microprocessor. 15. When tightening the screws that clamp the heat sink, do not overtighten. Tighten the clamp screws evenly by tightening one side some and then the other until they are both snug. 16. Reconnect the fan to the system board connector. 17. Replace any air baffles or ducts. 18. Go to "Closing the cover and connecting cables" on page 133. Removing and replacing drives 1. Remove the cover. See "Removing the cover" on page 121. 2. If you are removing a drive from bay 1 or bay 2, skip the next step. 3. Remove the front bezel by pushing in on the blue plastic tab at the rear of the chassis. 4. Disconnect the signal and power cables from the drive being removed. Note: Take note of the location of any cables you disconnect. You might have to disconnect cables to other drives to gain access to the drive you are removing. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 131

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13.
Use
the
thermal
grease
syringe
to
place
16
uniformly
spaced
dots
of
0.01ML
each
on
the
top
of
the
microprocessor.
Microprocessor
0.01 mL of
thermal grease
14.
Place
the
fan
and
heat
sink
into
position
on
the
microprocessor.
15.
When
tightening
the
screws
that
clamp
the
heat
sink,
do
not
overtighten.
Tighten
the
clamp
screws
evenly
by
tightening
one
side
some
and
then
the
other
until
they
are
both
snug.
16.
Reconnect
the
fan
to
the
system
board
connector.
17.
Replace
any
air
baffles
or
ducts.
18.
Go
to
“Closing
the
cover
and
connecting
cables”
on
page
133.
Removing
and
replacing
drives
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
121.
2.
If
you
are
removing
a
drive
from
bay
1
or
bay
2,
skip
the
next
step.
3.
Remove
the
front
bezel
by
pushing
in
on
the
blue
plastic
tab
at
the
rear
of
the
chassis.
4.
Disconnect
the
signal
and
power
cables
from
the
drive
being
removed.
Note:
Take
note
of
the
location
of
any
cables
you
disconnect.
You
might
have
to
disconnect
cables
to
other
drives
to
gain
access
to
the
drive
you
are
removing.
Chapter
10.
Replacing
FRUs
(Types
8084,
8085,
8147,
8148,
and
8179
131