Chapter 7. Fru Replacement Notices; Service Tool Kit; Screw Notices - Lenovo X13 Yoga Gen 3 Hardware Maintenance Manual

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Chapter 7. FRU replacement notices

Read this chapter carefully before replacing any FRU.

Ensure that the following service tool kit is prepared before you service a notebook computer.

No.

Tool name

Phillips-head screwdriver

Conductive tweezers

Silicone grease

Polyamide tape

Mylar tape

Eraser

Electrical tape

Double-sided tape

Conductive tape

Acetate tape

Note: The silicone grease can be applied to the surfaces of the microprocessor and heatsink to eliminate air

gaps.

Loose screws can cause a reliability problem. In your computer, this problem is addressed with special

nylon-coated screws that have the following characteristics:

• They maintain tight connections.

• They do not easily come loose, even with shock or vibration.

• They are harder to tighten.

Do the following when you service the computer:

• Keep the screw kit in your tool bag. For the part number of the screw kit, go to:

https://support.lenovo.com/partslookup

Tighten screws as follows:

• Plastic to plastic

Turn an additional angle of 90 degrees after the screw head touches the surface of the plastic part.

Tool type

Common tool

Consumable tool

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