Hitachi CB 520H B1 Service Manual page 170

5 Grab the pass through mezzanine card shown as arrows A and B, then lift
.
up the pass through mezzanine card and remove it from the server blade
and storage expansion blade assembly.
6 Lift up the server blade side. The tilt angle would be less than 45 degree.
.
7 The following figure shows the bottom side of the storage expansion
.
blade. Pull the latch against bottom plate with your finger to release the
latch.
8 While releasing the latch in the center of the bottom plate, slide out the
.
server blade.
5-18
Figure 5-13 Removing the pass through mezzanine component
Figure 5-14 Removing the pass through mezzanine component
Replacing parts
Hitachi Compute Blade 500 Series System Service Manual