VERITAS NetBackup 5240 Hardware Installation Manual page 73

Adding one or more storage shelves to an operating 4TB appliance that does not have any storage shelves
3
Locate the air duct arms which have small clear tabs on the ends. The tabs fit
under the blue lifting frames of the riser assemblies.
4
Standing at the front of the appliance, press both arms slightly to the right. Do
not break the arms or the tabs.
The clear tabs disengage from under the blue frames.
Installing the External Storage Kit components
73