Toshiba PROL450D Manual Do Utilizador

Página de 227
4 Replacement Procedures 
Error! Style not defined. Error! Style not defined.  
Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual 
4-6 
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)