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Lenovo ideapad 310 Hardware Maintenance Manual
Also see for ideapad 310: User guideHardware Maintenance Manual
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Lenovo ideapad 310-14IAP/ideapad 310-15IAP Hardware Mainte-nance Manual32This section presents notices related to removing and replacing parts. Read thissection carefully before replacing any FRU.Screw noticesLoose screws can cause a reliability problem. In the Lenovo computer, thisproblem is addressed with special nylon-coated screws that have the followingcharacteristics:• They maintain tight connections.• They do not easily come loose, even with shock or vibration.• They are harder to tighten.• Each one should be used only once.Do the following when you service this machine:• Keep the screw kit in your tool bag.• Remove screws carefully for reuse.• Use a torque screwdriver if you have one.Tighten screws as follows:• Plastic to plasticTurn an additional 90° after the screw head touches the surface of the plasticpart:• Logic card to plasticTurn an additional 180° after the screw head touches the surface of the logiccard:• Torque driverIf you have a torque screwdriver , refer to the “Torque” column for each step.• Make sure that you use the correct screws. If you have a torque screwdriver,tighten all screws firmly to the torque shown in the table. Never use a screwthat you removed. Use a new one. Make sure that all screws aretightened firmly.• Ensure torque screwdrivers are calibrated correctly following countryspecifications.FRU replacement noticesmore than 90°(Cross-section)more than 180°(Cross-section) |
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