Replacing the cooling fans and blower

About the cooling fans

The R150 disk shelf uses two 60 mm cooling fans and one blower mounted at the rear of the disk shelf enclosure to help provide adequate airflow and cooling.

Rules for replacing the fans and blower

When replacing a fan or blower, observe the following rules:

You do not need to turn off the power when replacing the blower or two cooling fans as these components are hot swappable.
If you are replacing a fan or blower in the disk shelf with the power on, replace them one at a time.

Replacing the fans or blower

To replace a cooling fan or blower, complete the following steps.

Step	Action
1	Put on the antistatic wrist strap and grounding leash.
2	At the rear of the disk shelf, loosen the two thumbscrews securing the fan or blower in place.
3	Remove the old fan or blower by sliding it out through its slot.
4	Carefully disconnect the fan or blower from the power harness.
5	Attach the replacement fan or blower to the power harness and confirm proper operation. WARNING The replacement fan or blower starts spinning after it is connected to the power harness. Keep fingers clear of the fan blades.
6	Carefully slide it into the slot. Secure it in place by tightening both thumbscrews.