D20 Cooling Blower Cable - IBM pSeries 7311 D10 Service Manual

D20 Cooling Blower 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 and Starting the System" on page 42.
3. Put the Model D20 subsystem into the service position as described in "D20 Service Position" on
page 113.
4. Disconnect the power source from the system.
Note: This system may be equipped with a second power supply. Before continuing with this
procedure, ensure that the power source to the system has been completely disconnected.
5. Remove the four cooling blowers as described in "Hot-Swap Blower Removal" on page 119.
6. Open the service access cover as described in "Opening the Service Access Cover" on page 115.
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 152.
9. Disconnect the blower cable from the I/O board.
10. Unclip the three cable ties from the chassis and the three cable ties from the blower
connector-support bracket.
11. Remove the blower docking connectors from the chassis.
To remove each blower docking connector from the chassis, do the following:
a. Depress the connector release tab next to the blower docking connector. The connector release
tab has a small tab retaining clip that locks the blower docking connector into the blower
connector support bracket. Depress the connector release tab far enough so that the tab retaining
clip clears the bottom of the blower connector-support bracket.
b. With the connector release tab still depressed, slide the blower docking connector toward the
depressed tab.
c. Align the blower docking connector's four retaining ears with the four small slots located on the
blower connector-support bracket.
d. Push down on the blower docking connector to free it from the blower connector-support bracket.
12. Remove the cable from the subsystem.
122 Eserver pSeries 7311 Model D10 and Model D20 Service Guide