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Torque driver
If you have a torque driver, refer to the "Torque"
column with each step.
Make sure you use the correct screw, and tighten all
screws firmly to the torque shown in the table if you
have a torque screwdriver. Never use a screw that
you removed. Use a new one. Make sure the
screws are tightened firmly.
Important Notice
This computer uses special nylon-coated screws with
the following characteristics:
They maintain tight connections.
They do not easily come loose, even with shock
or vibration.
They need additional force to tighten.
They should be used only once.
Do the following when you service this machine:
Have a screw kit (05K5489) available.
Always use new screws if you are instructed.
Use a torque screwdriver if you have one.
60 ThinkPad 390X / i 1700 HMM