Lenovo ThinkPad 390X Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 84
Size Quan, Head &, Color, Torque, M2.5 x 6L 4
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Step Size (Quantity) Head & Color Torque 2 M2.5 x 18L Pan head, 15.1" and (1) black 14.1" M2 x 10L (1) Pan head, silver L:1.6 kgf-cm R:1.6 kgf-cm 3 M2.5 x 6L (4) Flat head, black 4.0 kgf-cm Note: Make sure you use the correct screw for replacement. 78 ThinkPad 390X / i 1700 HMM
![](/manual_guide/products/lenovo-thinkpad-390x-hardware-maintenance-manual-1999-thinkpad-390x-04b2275/84.png)
Step
Size (Quan-
tity)
Head &
Color
Torque
2
M2.5 x 18L
(1)
M2 x 10L (1)
Pan head,
black
Pan head,
silver
15.1" and
14.1"
L:1.6 kgf-cm
R:1.6 kgf-cm
3
M2.5 x 6L (4)
Flat head,
black
4.0 kgf-cm
Note:
Make sure you use the correct screw for replacement.
78
ThinkPad 390X / i 1700 HMM