Heads Unload And Actuator Lock; Breather Hole; Figure 43. Breather Hole Location - IBM IC35L036UWDY10 - Ultrastar 36.7 GB Hard Drive Specifications

Drive level vibration test and shock test are to be conducted with the drive mounted to the table using the
bottom four screws.

7.7.5 Heads unload and actuator lock

Heads are moved out from disks (unload) to protect the disk data during shipping, moving or storage. At
power down, the heads are automatically unloaded from the disk area and the head actuator locking
mechanism will secure the heads in the unload position.

7.7.6 Breather hole

The breather hole must be kept clear and unobstructed at all times. Do not cover the breather hole.
Breather Hole

Figure 43. Breather hole location

Ultrastar 146Z10 hard disk drive specifications
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