Laptop Hardware Maintenance Manual

Note: Some models may not have screw 4.
5a
5
5
5
5
5a
4
Step Screw
cap
Screw (quantity) Color Torque
4 — M2.5 × 4.8 mm,
bind-head, nylon-coated
(1)
Black 0.392 Nm
(4
kgfcm)
5 M2 × 4 mm, bind-head,
nylon-coated (4)
Black 0.245 Nm
(2.5
kgfcm)
5a M2 × 4 mm, bind-head,
nylon-coated (2)
Black 0.245 Nm
(2.5
kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad R50e, R51e and R52 Series 141