Lenovo ThinkPad 13 Hardware Maintenance Manual page 67

Loosen the screws as shown, and then remove the thermal fan assembly.
When you install the thermal fan assembly:
• 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.
• Ensure that the rubber
a as shown in the following illustrations. Either too much or too less
b is properly affixed on the thermal fan assembly.
.
Chapter 8 Removing or replacing a FRU
61