ThinkPad Edge E445, Hardware Maintenance Manual

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Removal steps of thermal pipes
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.
1c
1a
1d
1g
1e
1f
1b
2
When installing:
• Always wear fingerstalls when handling the thermal fan assembly. Do not touch or hold any part of the
thermal fan or thermal pipes with bare fingers.
• Before you attach the thermal pipes to the computer, apply thermal grease, at an amount of 0.2 grams,
on the part marked a as shown in the following illustrations. Either too much or too less application of
grease can cause a thermal problem due to imperfect contact with a component. You need to peel the
thin film off from the rubbers marked
b .
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Hardware Maintenance Manual