D20 Cooling Blowers Cable - IBM eserver pSeries 7311 D10 Service Manual

D20 Cooling Blowers Cable

This procedure must be performed with the power turned off.
Cooling Blower Cable Removal
To remove the cooling blower cable do the following:
1. Open the rack front door.
2. Shut down the system as described in "Stopping the System" on page 55.
3. Put the Model D20 subsystem into the service position.
4. Disconnect the power source from the system.
Note: This system may be equipped with a second power supply. Before
5. Remove the four cooling blowers as described in "Hot-Swap Blower Removal" on
page 134.
6. Open the service access cover as described in "Opening the Service Access
Cover" on page 127.
7. Remove the power supplies and if applicable the power supply filler.
8. If necessary, remove the power supply bulkhead as described in "Power Supply
Bulkhead Removal" on page 172.
9. Disconnect the fan cable from the I/O board.
10. Unclip the three cable ties from the chassis and the three cable ties from the fan
connector-support bracket.
11. Remove the fan docking connectors from the chassis.
To remove each fan docking connector from the chassis, do the following:
a. Depress the connector release tab next to the fan docking connector. The
b. With the connector release tab still depressed, slide the fan docking connector
c. Align the fan docking connector's four retaining ears with the four small slots
d. Push down on the fan docking connector to free it from the fan
12. Remove the cable from the subsystem.
continuing with this procedure, ensure that the power source to the system
has been completely disconnected.
connector release tab has a small tab retaining clip that locks the fan docking
connector into the fan connector support bracket. Depress the connector
release tab far enough so that the tab retaining clip clears the bottom of the fan
connector-support bracket.
toward the depressed tab.
located on the fan connector-support bracket.
connector-support bracket.
Chapter 8. Removal and Replacement Procedures
137