FRU replacement notices
FRU replacement notices
This section contains notices for removal and rep Read this section carefully before replacing a
Screw notices
Loose screws can cause a reliability problem. Th ThinkPad computer address this problem with speci
Ÿ They maintain tight connections.
ŸThey do not easily come loose, even with sh vibration.
Ÿ | They | need | additional | force to tighten. |
Ÿ | They | should | be used | only once. |
Do | the following when you | service this | machine: | ||
Ÿ | Keep the screw kit (P/N | 05K4841) | in | your tool | |
Ÿ | Always use new screws | if | you | are | instructed |
ŸUse a torque screwdriver if you have one.
Tighten screws as follows:
Ÿ Plastic | to | plastic |
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Turn | an | additional90 degrees | after | the screw hea | ||
touches | the surface | of the | plastic part: | |||
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ŸLogic card to plastic
Turn an | additional180 degrees | after | the | screw he | |||
touches |
| the surface | of the | logic | card: | ||
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ŸTorque driver
If you have a torque driver, refer to th
column with each step.
ŸMake sure you use the correct screw, and screws firmly to the torque shown in the ta
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