This machine uses special nylon-coated screws with the
following characteristics:
They maintain tight connection.
They do not easily come loose, even with shock or
vibration.
But:
They need additional force to tighten.
They should not be reused.
Do the following when you service this machine:
Keep the screw kit (P/N 12J0808) in your tool bag.
Always use new screws.
Use a torque screwdriver if you have one.
Screw Tightening Information: Loosescrews
can cause a reliability problem. The IBM ThinkPad
computer addresses this problem with nylon-coated
screws. Tighten screws as follows:
Plastic to plastic
Turn an additional 90 degrees after the screw head
touches the surface of the plastic part:
Logic card to plastic
Turn an additional 180 degrees after the screw head
touches the surface of the logic card:
Torque driver
If you have a torque driver, refer to the “Torque”
instructions with each step.
IBM ThinkPad 380XD, 385XD (2635) 59