Lenovo J SERIES 3000 User Manual
Page 91
11. Lock the retainer with the small handle to secure the microprocessor in the socket.
12. Use the thermal grease syringe to place five drops of grease on the top of the microprocessor. Each drop
of grease should be 0.03ml (3 tick marks on the grease syringe).
13. Install the heat sink and fan assembly on the system board.
14. Connect the heat sink and fan assembly cable to the system board. See “Identifying parts on the
15. Go to “Completing the FRU replacement” on page 92.
Replacing the microprocessor (Types 7387, 7388, and 7389)
1. Remove the left-side cover. See “Removing the covers” on page 70.
2. Lay the computer on the right side to make the system board and microprocessor accessible.
3. Disconnect the heat sink and fan assembly cable from the system board. See “Identifying parts on the
4.
Rotate handle
1
to release the heat sink clamp and then disengage the clamp from the plastic retention
bracket.
Chapter 8
.
Replacing FRUs (Types 7387, 7388, 7389, 7393, 7394, and 7395)
85