Lenovo 10w, Hardware Maintenance Manual

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Chapter 4. FRU replacement notices
Read this chapter carefully before replacing any FRU.
Service tool kit
Ensure that the following service tool kit is prepared before you service a notebook computer.
No. Tool name Tool type
1 Phillips-head screwdriver 1 Common tool
2 Phillips-head screwdriver 2 Common tool
3
Conductive tweezers Common tool
4
Silicone grease Consumable tool
5 Polyamide tape Consumable tool
6 Mylar tape Consumable tool
7
Eraser Consumable tool
8 Electrical tape Consumable tool
9 Double-sided tape Consumable tool
10 Conductive tape Consumable tool
Notes:
• Specifications of the Phillips-head screwdriver 2:
– Screwdriver head diameter: ≤ φ2.0 mm
– Screwdriver head length: ≥ 15 mm
• The silicone grease can be applied to the surfaces of the microprocessor and heatsink to eliminate air
gaps.
Screw notices
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
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