Figure 80. Replacing the front drives and llers
7. Replace the air baffle. For instructions, see Replacing the air baffle (www.ibm.com/support/
knowledgecenter/POWER9/p9haj/p9haj_914_924_airbafflereplace.htm).
Preparing the 9009-41A, 9009-41G, 9009-42A, 9009-42G, or 9223-42H system for
operation after removing and replacing the 18-drive expanded function disk drive
backplane
To prepare the system for operation after removing and replacing the 18-drive expanded function disk
drive backplane, complete the steps in this procedure.
Procedure
1. Replace the service access cover.
For a rack-mounted system, complete the following steps. Refer to Figure 81 on page 90
.
a. Slide the cover (A) onto the system unit.
b. Close the release latch (B) by pushing it in the direction shown.
Drive backplanes for the 9009-41A, 9009-41G, 9009-42A, 9009-42G, or 9223-42H
89