XL500S
Installation and Setup Procedures
2679-701211-A06
RELEASED 10/21/10 (WD CONFIDENTIAL)
41
Do not open the drive’s sealed compartment or remove the seals or any labels from the
drive; this will void the warranty.
5.1.5
Moving Precautions
If you need to move your computer, turn off the power to automatically unload the heads. This
helps protect the media and the heads from accidental damage due to vibration, moving, or
shipping.
5.2
Mounting
Use either the four bottom screws or at least four of the side mounting screws to rigidly
support the drive and prevent vibration. Some adaptor frames may not have the mechanical
design structure capable of mounting the drive to meet the specified shock and vibration
requirements.
The hard drive itself does not provide electrical isolation between mounting locations and
drive ground connection. If electrical isolation is required, the system designer or integrator
would be responsible for providing a solution.
5.2.1
Mounting Restrictions
If your system does not support hot plugging (see “Hot Plug Support” on page 21), it must be
turned off and unplugged before installing your hard drive.
5.2.2
Orientation
You can mount the hard drive in the X, Y, or Z axis, depending upon the physical design of
your system. For best results, mount the drive with all four screws grounded to the chassis. If
all four screws are not used, see "Grounding" on page 41.
5.2.3
Screw Size Limitations
The hard drive is mounted to the chassis using four 6-32 screws. Recommended screw
torque is 5 in-lb. Maximum screw torque is 10 in-lb.
5.2.4
Grounding
The PCBA and HDA grounds are always connected together in the drive and cannot be
disconnected. The drive mounting screws, unless intentionally isolated, will provide additional
ground connections between the HDA and the system chassis. If the drive isn't grounded via
mounting screws as described under “Mounting” on page 41, there may be increased
electrical emissions (EMI).
5.3
Hard Drive Installation
If your system does not support hot plugging (see “Hot Plug Support” on page 21), it must be
turned off and unplugged before installing your hard drive.
CAUTION:
Screws that are too long damage circuit board components. Each screw must
engage no more than six threads (3/16 inch). Side mounted screws should engage a
maximum of .188 inches (3/16”). Bottom mounted screws should engage a maximum of
.250 inches (1/4”).