7. Loosen the screw securing the power block to the chassis, press down on the release lever,
and then slowly pull the power block out 2.54 to 5.08 cm (1 to 2 in). Do not remove the power
block any further because the cable management arm is still attached.
Figure 13 Pulling the D6020 power block out
8. Disengage the cable management arm lock from each hard drive drawer:
a. Pull the mechanism up and then toward the rear of the chassis to disengage it from the
locking plate.
b. Slide the cable management arm off both locking plates.
Figure 14 Sliding the cable management arm off both locking plates
9. Slowly remove the power block. The signal and power cables are still attached.
26 Removal and replacement procedures