Lenovo ThinkAgile HX1321 Series User Manual page 58

Figure 23. CMA adjustment
a. Press down the stop bracket
b. Rotate the CMA out of the way to gain access to the power supply.
Step 2. Disconnect the power cord from the hot-swap power supply.
Note: If you are replacing two power supplies, do the power supply replacement one by one to
ensure that the power supply to the server is not interrupted. Do not disconnect the power cord
from the secondly replaced power supply until the power output LED for the firstly replaced power
supply is lit. For the location of the power output LED, refer to "Rear view LEDs" on page 22.
Step 3. Press the release tab toward the handle and carefully pull the handle at the same time to slide the
hot-swap power supply out of the chassis.
Notes: Slightly pull the power supply upwards when sliding the power supply out of the chassis, if
you have installed one of the following CMA kits:
• 1U CMA Upgrade Kit for Toolless Slide Rail
• Toolless Slide Rail Kit with 1U CMA
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User Guide for ThinkAgile HX1321 Node ThinkAgile HX3321 Node
1 and rotate it to the open position.