Lenovo HR650X V2 User Manual page 109

Procedure
Step 1. Make preparations for this task.
a. Remove the top cover. See "Remove the top cover" on page 30.
b. Remove the air baffle. See "Remove the air baffle" on page 41.
c. Remove the system fan cage. See "Remove the system fan cage" on page 47.
Step 2. Remove the PHM from the system board.
Figure 65. Removing a PHM
a. Fully loosen the Torx T30 nuts on the PHM in the removal sequence shown on the heat-sink
label.
b. Rotate the anti-tilt wire bails inward.
c. Carefully lift the PHM from the processor socket. If the PHM cannot be fully lifted out of the
socket, further loosen the Torx T30 nuts and try lifting the PHM again.
Notes:
• Do not touch the contacts on the bottom of the processor.
• Keep the processor socket clean from any object to prevent possible damages.
After you finish
• Each processor socket must always contain a cover or a PHM. Protect empty processor sockets with a
cover or install a new PHM.
• If you are removing the PHM as part of a system board replacement, set the PHM aside.
.
Chapter 4 Hardware replacement procedures
101