To remove the cover:

1. If you are replacing a non-hot-swap component, turn off the HMC and all attached devices. Then, disconnect all power cords and external cables.
2. Unlock the side cover.
3. Press the cover-release latch down, as indicated by the two arrows on the latch. Then tilt the top of the side cover away from the chassis.
4. Lift the side cover off the HMC and set it aside.
5. If you are instructed to return the side cover, follow all packaging instructions, and use any packaging materials that are supplied to you for shipping.