4 Replacement Procedures 4.1 Overview
Screw Tightening Torque
When you fasten screws, be sure to follow the torque list below.
CAUTION: Overtightening can damage components and screws; undertightening can
result in electrical shorts or other damage if screws or components come
loose.
NOTE: Toshiba recommends that you use an electric screwdriver for quick and easy
operations. (except a M1.4 screw)
Use a non electric screwdriver to fasten a M1.4 screw, because a boss for M1.4
screw maybe broken if the screw is driven with an electric screwdriver.
• M1.4 (1.4mm) 0.098 N·m(1.0 kgf·cm)
• M2.0 (2mm) 0.167 N·m(1.7 kgf·cm)
• M2.5 (2.5mm) 0.294 N·m(3.0 kgf·cm)
• M3.0 (3mm) 0.294 N·m(3.0 kgf·cm)
NOTE: To prevent damage to THIN HEAD screws, use type 0 bit philips screwdriver.
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).
4-8 [CONFIDENTIAL] PORTÉGÉ A600 Maintenance Manual (960-710)
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