Lenovo System x3300 M4 Installation And Service Manual page 249

Step 5. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
Step 6. Remove the left-side cover (see "Removing the left-side cover" on page 187).
Step 7. Remove the 2.5-inch hot-swap hard disk drives (see "Installing a 2.5-inch hot-swap hard disk
drive" on page 51).
Step 8. Remove the air baffle (see "Removing the air baffle" on page 189).
Step 9. Remove the fan assembly (see "Removing the fan assembly" on page 39).
Step 10. Note where the power, signal, and configuration cables are connected to the 2.5-inch hard disk
drive backplane; then, disconnect them (see "Internal Cable Routing and Connectors" on page 166).
Step 11. Lift up the retention latches that hold the backplane in place; then, grasp the top edge of the
backplane and rotate it toward the rear of the server. When the backplane is clear of the drive-cage
retention tabs, remove it out from the server.
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Chapter 6 Removing and replacing components
235