Lenovo 9443XAU - ThinkPad Z61t 9443 Hardware Maintenance Manual page 89

When installing:
v Before you attach the fan assembly to the computer, apply thermal grease on the
part marked a as in the following figure.
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
sink ( b ) of the fan assembly.
b
Removing and replacing a FRU
a
b
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ThinkPad Z61t