Toshiba Portege R600-SP2803R Maintenance Manual - Page 236

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) • M2 (2mm) • M2.5 (2.5mm) • M3 (3mm) 0.098 N·m(1.0 kgf·cm) 0.167 N·m(1.7 kgf·cm) 0.294 N·m(3.0 kgf·cm) 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 R600 Maintenance Manual (960-709)