1070 Thermal Fan Assembly - Lenovo E14 Gen 4 Hardware Maintenance Manual

1070 Thermal fan assembly

For access, remove this FRU:
• "1010 Base cover assembly" on page 64
• Release the I/O board cable, see "1060 Wireless LAN card" on page 71
• Release the wireless LAN card cable, see "1060 Wireless LAN card" on page 71
Removal step of the thermal fan assembly
When you install the thermal fan assembly:
• Ensure that the connector is attached firmly.
• Do not press the top of the fan cover and the fan hub.
• 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
application of grease can cause a thermal problem due to imperfect contact with a component.
72
E14 Gen 4 / E15 Gen 4 Hardware Maintenance Manual
a
as shown in the following illustrations. Either too much or too less
2c
2a
2b
2d