Notes:
• Make sure that you use the correct screw. If you have a torque screwdriver, tighten all screws rmly to the
torque shown in the table for each step in Chapter 7 “Removing and replacing a FRU” on page 35. Never
use a screw that you removed. Use a new one. Make sure that all of the screws are tightened rmly.
• Ensure torque screwdrivers are calibrated correctly following country specications.
Retaining serial numbers, MTM, UUID, and Asset ID
Instructions for retaining serial numbers, MTM, UUID, or asset ID can be found at the following Web site:
http://support.lenovo.com
Note: To access the instructions, use, and download the required Android Package (APK) le, you must
have a valid login ID and password.
34 Hardware Maintenance Manual
