IBM MT 2877 Hardware Maintenance Manual page 109

Removing and replacing a FRU
Important
In step 2a and 2b , be careful not to damage the
copper plate of the fan assembly. Step 2a is for
the fan assembly, long and for the fan assembly,
long M10. Step 2b is for the fan assembly, short.
Distortion of the fan assembly may cause a thermal
problem.
2a
2b
(continued)
103
ThinkPad T43 Series