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4.
Ensu re the dr i ve be 1 t
is 1n place.
5.
Manually rotate the drive hub.
It should rotate freely.
6.
Ensure both circuit boards are secure.
7.
Ensure the connectors are firmly seated.
3.3
The
When
must
MOUNTING THE DRIVE
drive has been designerl
mounterl
horizontally,
be the top side.
to be mounted horizontally or vertically.
the logic circuit board side of the rlrive
Tapped
mounting holes are providerl on each side and the bottom of the
drive
for attachment to user-supplied mounting brackets (figure 2-11.
When
installed
in
either
plane,
horizontal
or vertical, only two
mounting screws are required to securely hold the drive in place.
Two
drives
may
3.25-inches high.
for mounting in a
be
A
two
mounted
in a single, full-size drive enclosure,
two-hole mounting scheme per drive is recommended
rlrive configuration.
Any
mounting
scheme
in
which
the
drive is part of the structural
integrity
of the enclosure is not permitted.
Mounting schemes should
allow
for
adjustable
brackets
or
incorporate resilient members to
accommodate
tolerances.
In arldition,
it is recommended that mounting
schemes inclurle no more than two mounting surfaces.
The
rlrive
is
manufactured
and
testerl
with some critical internal
alignments
that
must
be
maintained.
Hence,
it is important that
mounting hardware not introduce significant stress on the chassis.
Dust Cover
The
design
of
an
contamination
from
since the drive does
Cooling
enclosure should incorporate
a means to prevent
loose
items,
e.
g.,
dust, lint, and paper chad
not have a dust cover.
Heat
dissipation from a
hour,
under
high load
components
have
access
cooling allows operation
single drive is normally 15 watts, 51 BTU per
conditions.
When the drive is mounted so the
to
a
free
flow
of air,
normal convection
within the specified temperature range.
When
drive.
forced
ai r
is
Do not intake
used, air flow must be directed outward from the
air through the drive or
~eads
and diskettes.
The
use of forced air flow is recommended when two drives are mounted
within a single enclosure.
3-2
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