IBM H SERIES RS/6000, Installation And Service Manual

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Hot-Swappable CPU Fan
Removal
1. Open the rear door of the rack unit.
2. Reposition any cables that hinder access to the CPU fan.
3. Using a fingernail, depress the tab on the CPU fan plug and pull to disconnect
the cable from the bulkhead connector.
1P 2P 3P 4P 5P 6P 7P 8P/I 9P/I 1P 2P 3P 4P 5P 6P 7P 8P/I 9P/I
Rear Fan
Later Model
H50 and H70
H50
1P 2P 3P 4P 5P 6P 7P 8P 1P 2P 3P 4P 5P 6P 7P 8P
4. If the CPU fan is in a bracket, remove the screws and remove the CPU fan.
Notes:
a. If the CPU fan is mounted to the bulkhead using isolators, the isolators
should remain in the bulkhead. (If both top isolators are damaged, the drawer
must be placed in the rear service position, as described in “Rear Service
Position” on page 7-28, to replace them.)
b. If any of the rubber isolators are damaged, three of the four are sufficient to
hold the fan in position.
5. If the CPU fan is mounted to the bulkhead using isolators, carefully remove the
fan from each of the four isolators that hold the fan to the drawer.
a. Pull the fan away from the bulkhead.
b. Use needle nose pliers to firmly grasp the rubber isolator between the fan
and the bulkhead.
7-26
RS/6000 Enterprise Server Model H Series Installation and Service Guide