Sun Microsystems 820-4733-10 service manual Installing Fans, 1Removing the Fan

1.Determine which fan is to be removed. If a fan has failed, its LED flashes.

2.Loosen the two captive thumbscrews on either side of the fan.

See FIGURE 4-1.

FIGURE 4-1Removing the Fan

3.Pull the fan straight out.

See FIGURE 4-1.

4.Set the fan aside.

4.3Installing Fans

Note – Fans are hot-swappable and can be inserted into live fabric cards.

4-2Sun Datacenter Switch 3456 Service Manual • August 2008