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4 Replacement Procedures 4.1 General
4-6 Satellite/Satellite Pro/L630/L635 Maintenance Manual
Tools and Equipment
For your safety and that of other people in the working environment, it is strongly
recommended that you use electrostatic discharge (ESD) equipment. The proper use of this
equipment will ensure successful repair work and reduce the costs for repairing damaged
components. The equipment and tools required for disassembly and reassembly are:
One 2 mm Phillips screwdriver
One 4 mm flat-blade screwdriver
Torx screwdriver
Tweezers (for pulling out screws)
ESD mats (for the floor and work desks)
An ESD wrist strap or heel grounder
Anti-static carpets or flooring
Air ionizers (for highly electrostatic sensitive areas)
A plastic card (in credit card size)
Screw Tightening Torque
To secure screws, follow the torque values listed below. Over tightening can damage
components and screws. Under tightening can loosen the screw or cause screws to come off,
which may result in short circuits or other damage.
M2 (2 mm) 0.22 N･m (2.2 kgf･cm)
M2.5 (2.5 mm) 0.36 N･m (3.5 kgf･cm)
M3 (3 mm) 0.51 N･m (5.0 kgf･cm)
M2.5x4 PSP TITE screws 0.204 N･m (2.0 kgf･cm)
M2.5x6 GIZA TITE screws 0.36 N･m (3.5 kgf･cm)