Lenovo ThinkPad R61 Hardware Maintenance Manual page 82

Removing and replacing a FRU
When installing:
v Before you attach the fan assembly to the computer, apply thermal grease, at an
v Make sure that the fan connector is attached firmly.
v When attaching the fan assembly to the frame, take care not to damage the heat
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MT 7642, 7643, 7644, 7645, 7646, 7647, 7648, 8914, 8918, 8919, 8920, 8927, 8928, and 8929
amount of 0.2 grams, on the part marked a as in the following figure. Either
too much or too less application of grease can cause a thermal problem due to
imperfect contact with a component.
sink ( b ) of the fan assembly.
b
a
b