Chapter 4 Replacement Procedures
Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
6
Screw Tightening Torque
Use the following torque when tightening screws.
CAUTION: Over-tightening may damage screws or parts. Under-tightening may allow
screws to loosen (and possibly fall out) causing a short circuit or other
damage.
NOTE: To tighten screws quickly and accurately, an electric screwdriver is
recommended.
M2
(2mm) 0.167
N
·
m (1.7 kgf
·
cm)
M2.5 (2.5mm)
0.245 N
·
m(2.5 kgf
·
cm)
M3.0
(3mm)
0.245
N
・
m (2.5 kgf
・
cm)
NOTE: To prevent damage to THIN HEAD screws, press along the axis of the
screwdriver while turning the screw. This is because the contact area between
the screw and driver is less than for a pan head screw (standard pan-shaped
screw head).