Lenovo B570E Laptop User Manual


 
Torque driver
If you have a torque driver, refer to the “Torque” column for each step.
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. Never use a screw that you removed. Use a new one. Make sure that all
of the screws are tightened rmly.
Ensure torque screw drivers are calibrated correctly following country specications.
44 Hardware Maintenance Manual