Toshiba Qosmio Personal Computer X500 Uživatelský manuál stáhnout pdf (Strana 165)

Replacement Procedures

Screw Tightening Torque

Use the following torque when tightening screws.

CAUTION: Overtightening may damage screws or parts. Undertightening 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)

 M2.5 (2.5mm) 0.392 N·m(4.0 kgf·cm) for Hinge support

 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).

Grip Color

Some screws have a colored grip area to help you determine the length of the screw.

 Even numbered length screws: Brown

Grip area

 Odd numbered length screws: White

 Special length screw: Blue

“Special length screw” means screws whose length is indicated in an integral number to the

first decimal places such as 2.5 mm, 2.8 mm and so on.

Qosmio X500 Maintenance Manual (960-Q08) 4-6

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Toshiba Qosmio Personal Computer X500 Uživatelský manuál Strana 165