IBM ThinkPad A22e Hardware Maintenance Manual page 80

Step Screw (quantity)
2
M2.0 × 13.5 mm, nylon-coated (4)
When installing: When installing the fan assembly, apply
76
ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)
2
3
the thermal grease (05K5751) on the
a -part of the fan as shown in the
following figure.
a
Removing and replacing a FRU
2
Torque
24.5 Ncm
(2.5 kgfcm)