IBM ThinkPad 600X?, Руководство по техническому обслуживанию аппаратной части

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FRU replacement notices
FRU replacement notices
This section contains notices for removal and replacement.
Read this section carefully before replacing any FRU.
Screw notices
Loose screws can cause a reliability problem. The IBM
ThinkPad computer address this problem with special
nylon-coated screws that have the following characteristics:
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They maintain tight connections.
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They do not easily come loose, even with shock or
vibration.
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They need additional force to tighten.
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They should be used only once.
Do the following when you service this machine:
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Keep the screw kit (P/N 05K4841) in your tool bag.
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Always use new screws if you are instructed.
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Use a torque screwdriver if you have one.
Tighten screws as follows:
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Plastic to plastic
Turn an additional 90 degrees after the screw head
touches the surface of the plastic part:
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Logic card to plastic
Turn an additional 180 degrees after the screw head
touches the surface of the logic card:
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Torque driver
If you have a torque driver, refer to the “Torque”
column with each step.
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Make sure you use the correct screw, and tighten all
screws firmly to the torque shown in the table if you
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