Removal steps of the thermal fan assembly
2d
2b
2c
2a
2e
When installing:
• Ensure that the fan connectors are attached firmly.
• Do not press the top of the fan cover and the fan hub.
• Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on
the part marked
a
and
b
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.
For models with discrete thermal pipes:
For models with an integrated thermal pipe (for T590 only):
1110 USB cable and board
For access, remove these FRUs:
• “1010 Removing the nano-SIM card and the nano-SIM-card tray” on page 64
• “1020 Base cover assembly” on page 64
• “1080 Built-in battery” on page 72
74
T590 and P53s Hardware Maintenance Manual
Summary of Contents for 20N4
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