IBM 84885BU, Руководство по техническому обслуживанию и устранению неисправностей

Страница: 90 / 200

Rear fans
Before you begin:
v
Read Appendix B, “Safety information,” on page 143.
v
Review the information in “System reliability guidelines” on page 25.
To remove a rear fan, complete the following steps:
1. Turn off the server, if it is on.
2. Disconnect the power cord from the power source and from the server; then,
disconnect all external cables.
3. Remove the side cover (see “Removing the side cover” on page 28).
4. Remove the frame-support bracket (see “Removing and installing the support
bracket” on page 32).
5. Remove the microprocessor air baffle (see “Microprocessor air baffle” on page
67).
6. Remove the fan cable from the system board.
7. Use side cutters to sever the four rubber extensions on the outside of the
server.
8. Gently pry the fan away from the server and lift it up and out.
Rubber
extensions
To install the new rear fan assembly, complete the following steps:
1. Place the fan in position at the rear of the server.
2. Guide the rubber extensions through the apertures.
3. Use needle-nosed pliers to pull the extensions through the apertures.
4. Reconnect the cables.
80
xSeries 226 Type 8488 and 8648: Hardware Maintenance Manual and Troubleshooting Guide