Lenovo ThinkPad L530 Hardware Maintenance Manual - Page 65

FRU replacement notices, Screw notices

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Chapter 8. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully before replacing any FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, called a "Customer Replaceable Unit" or "CRU." Some CRUs are designated as self-service CRUs and others are designated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For optional-service CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/support. Click User Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the defective part that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details. Screw notices Loose screws can cause a reliability problem. In the ThinkPad notebook 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 this machine: • Keep the screw kit in your tool bag. For the part number of the screw kit, go to http://www.lenovo.com/serviceparts-lookup. • It is recommended to use new screws. • It is recommended to use each screw only once. • Use a torque screwdriver if you have one. Tighten screws as follows: • Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part. • Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card. © Copyright Lenovo 2012 59

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Chapter 8.
FRU replacement notices
This chapter presents notices related to removing and replacing parts. Read this chapter carefully before
replacing any FRU.
CRU statement for customers:
You can resolve some problems with your product with a replacement part you can install yourself, called a “Customer
Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others are designated as
optional-service CRUs.
Installation of self-service CRUs is your responsibility. For optional-service CRUs, you can
either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty
service for your product.
If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and
replacement instructions are shipped with your product and are available from Lenovo at any time upon request.
You can find a list of CRUs for your product in this
Hardware Maintenance Manual
. An electronic version of this
manual can be found at http://www.lenovo.com/support. Click
User Guides & Manuals
and then follow the
on-screen instructions to find the manual for your product. You might be required to return the defective part that
is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container
will be included with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does
not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. See your Lenovo
Limited Warranty documentation for full details.
Screw notices
Loose screws can cause a reliability problem. In the ThinkPad notebook 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 this machine:
•
Keep the screw kit in your tool bag.
For the part number of the screw kit, go to
•
It is recommended to use new screws.
•
It is recommended to use each screw only once.
•
Use a torque screwdriver if you have one.
Tighten screws as follows:
•
Plastic to plastic
Turn an additional 90 degrees after the screw head touches the surface of the plastic part.
•
Logic card to plastic
Turn an additional 180 degrees after the screw head touches the surface of the logic card.
© Copyright Lenovo 2012
59