Lenovo System x3250 M5 Installation And Service Manual page 246

If you are instructed to return the server component or optional device, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Replacing the 3.5-inch simple-swap hard disk drive backplate assembly
Use this information to replace the 3.5-inch simple-swap hard disk drive backplate assembly.
Read the safety information in "Safety" on page v and "Installation guidelines" on page 31.
If you are replacing a server component in the server, you need to slide the server out from the rack
enclosure, turn off the server and peripheral devices, and disconnect the power cords and all external cables.
To replace the 3.5-inch simple-swap hard disk drive backplate assembly, complete the following steps:
Step 1. Lower the backplate assembly into the alignment slots in the chassis.
Step 2. Align the tabs of the drive backplate assembly with the backplate assembly slots at the back of the
backplate assembly cage.
Figure 160. 3.5-inch simple-swap hard disk drive backplate assembly alignment
Step 3. Insert the drive backplate assembly slots into the tabs of the backplate assembly cage. Rotate the
drive backplate assembly forward and push down the retention latch on top of the drive cage until
the backplate assembly is latched.
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Lenovo System x3250 M5Installation and Service Guide