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Removal steps of the thermal fan assembly
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 Chromebook, apply thermal grease, at an amount of
0.2 grams, on the part marked
application of grease can cause a thermal problem due to imperfect contact with a component.
• Do not touch the thermal grease.
• Do not press, touch, or rotate the fan impeller.
• Do not touch the fan inlet hole.
• Do not twist or pull the cable of the thermal fan assembly.
• Do not apply pressure on the top and base covers of the thermal fan assembly.
• Do not press the heat pipe. Hold both sides of the heat pipe when you take the thermal fan assembly.
• Do not shake or drop the thermal fan assembly.
• Ensure that the fan connector is attached firmly.
• Replace the thermal fan assembly if you observe the following:
– The cover of the thermal fan assembly is deformed or damaged.
– There is abnormal noise during rotation.
1090 LCD unit
For access, remove these FRUs in order:
• "1010 Lenovo Garaged USI pen (for selected models)" on page 42
2e
2e
2e
a
as shown in the following illustrations. Either too much or too less
2a
2c
2d
2b
Chapter 7
.
FRU replacement notices
49
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