Lenovo ThinkPad Edge E545 Maintenance Manual page 78

Machine type (mt) 20b2
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Loosen the screws
1
in ascending alphabetic order as illustrated. When attaching the thermal pipes, secure
the screws in reverse order.
Note: Different models might have different numbers of screws.
Note: Your model might look slightly different from the illustration above.
When installing:
• Always wear fingerstalls when handling the thermal fan assembly. Do not touch or hold any part of the
thermal fan assembly with bare fingers.
• Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of
0.2 grams, on the part marked
of grease can cause a thermal problem due to imperfect contact with a component. If a thermal fan
assembly needs to be reused, remove and reapply thermal grease. You need to peel the thin film off
from the rubbers marked
72
Hardware Maintenance Manual
a
in the following illustration. Either too much or too less application
b
.

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