Lenovo 70LU, User Manual And Hardware Maintenance Manual

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2. Lay the server on its side for easier operation.
3. Locate the system board and disconnect the CPU fan cable from the system board. See “System board
components” on page 19.
4. Remove the heat sink and fan assembly. See “For service technician only: replacing the heat sink and
fan assembly” on page 89.
5. Remove the CPU from the CPU socket.
Release the small handle as shown.
Lift the handle upward until the handle and the CPU retainer are in the fully open position.
Hold the CPU by its sides and carefully lift it straight up and out of the CPU socket.
Notes:
• Do not touch the gold contacts on the bottom of the CPU.
• Do not drop anything onto the CPU socket while it is exposed. The socket pins must be kept as clean
as possible.
Figure 88. Removing the CPU
6. Hold the new CPU by its sides, align the notches 1 with the tabs 2 , and align the small triangle 3 with
the beveled corner 4 of the socket. Then, carefully lower the CPU straight down into the CPU socket.
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ThinkServer TS150 User Guide and Hardware Maintenance Manual