1060 Thermal Fan Assembly; 1070 Usb-Card Cable And Usb Card - Lenovo ThinkPad T490s Hardware Maintenance Manual

When installing: Ensure that the two latches on the bracket are secured in place.

1060 Thermal fan assembly

For access, remove this FRU:
• "1020 Base cover assembly" on page 72
Removal steps
When installing:
• Ensure that the connector is 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 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.

1070 USB-card cable and USB card

For access, remove these FRUs:
• "1020 Base cover assembly" on page 72
• "1060 Thermal fan assembly" on page 77
.
Chapter 8 Removing or replacing a FRU
77