IBM DCS3860, Installation, User'S, And Maintenance Manual

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Attention: If one of the fan assemblies has failed, the remaining fan assembly will
operate at maximum fan speed.
1.
Remove the fan assembly to be replaced by completing the following steps:
a. At the rear of the storage expansion enclosure, remove the fan assembly
(see Figure 55) by pressing on the locking tab holding the fan assembly
handle in place; then, pull the fan assembly handle toward you.
b. Use the fan assembly handle to pull the fan assembly out of the enclosure.
2. Complete the following steps to install a new fan assembly FRU:
Attention: If you are performing this procedure with the power turned on,
you must reinstall the fan assembly within 5 minutes. Otherwise, the
equipment could overheat.
a. Orient the fan assembly to the fan assembly bay and push the fan assembly
all the way into the bay.
Note: Although both fan assemblies (left and right) are identical, they are
seated in the DCS3860 enclosure in opposite orientations. If the fan
assembly cannot be fully inserted in the fan assembly bay, rotate it 180
degrees and reinsert it.
b. Ensure that cams on the fan assembly handle engage the corresponding
slots in the enclosure; then, rotate the fan assembly handle to the closed
position.
c. Press the fan assembly handle in until it latches in place.
Replacing a drive drawer
Before you begin, ensure that you wear an anti-static wrist strap.
Handle
Cam
Locking tab
Cam
Guide slot
dcsi0012
Figure 55. Removing a fan assembly
Chapter 5. Replacing components
109