Lenovo ノートパソコンの取扱説明書・マニュアル [全268ページ 6.46MB]
42x3749_02.pdf
Gizbot 2013-09-01
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FRU replacement notices This section contains notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad computer, this problem is addressed with special nylon-coated screws that have the following characteristics: v They maintain tight connections. v They do not easily come loose, even with shock or vibration. v They are harder to tighten. v Each one should be used only once.Do the following when you service this machine: v Keep the screw kit (for the P/N, see Miscellaneous parts on page 255) in your tool bag. v Always use new screws. v Use a torque screwdriver if you have one.Tighten screws as follows: v Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part: 90 degrees more(Cross-section) v Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card: 180 degrees more(Cross-section) v Torque driver If you have a torque driver, refer to the Torque column for each step. v Make sure that you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque shown in the table. Never use a screw that you removed. Use a new one. Make sure that all of the screws are tightened firmly. v Ensure torque screwdrivers are calibrated correctly following country specifications.Retaining serial numbers This section includes the following descriptions: v Restoring the serial number of the system unit on page 55 FRU replacement notices 54 MT ThinkPadfi ThinkPad R60, R60e, R61, and R61i
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