IBM x3400 7975 Problem Determination And Service Manual page 165

v Non-hot-swap models, lift up the power-supply cage handle and pull the
power-supply cage assembly all the way up until the retainer latch locks the
cage in place on the chassis.
5. Remove the front fan-cage assembly (see "Removing the front system fan
cage assembly" on page 126.
6. Remove the simple-swap hard disk drives that are installed in the hard disk
drive cage (see "Removing a simple-swap hard disk drive" on page 114).
7. Disconnect the combination signal/power cable from the simple-swap
backplate.
8. Lift up on the spring-release latch on the side of the drive cage and rotate the
simple-swap backplate away from the drive cage until the backplate tabs at the
bottom of the drive cage disengage from the chassis.
Locator pins
9. Remove the simple-swap backplate and set it aside.
10. If you are instructed to return the simple-swap backplate, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Spring-release
latches
Hard disk
drive backplate
Chapter 4. Removing and replacing server components
147