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SECTION 3
OPERATION
INTRODUCTION
This section contains information on how to
unpack, check out, install, and operate the
TM848-1E and TM848-2E drives.
3.1
UNPACKING THE DRIVE
The drives are packaged in protective con-
tainers to minimize the possibility of damage
during shipment. The following list is the
recommended procedure for unpacking the
drive.
1. Place the container on a flat work
surface.
2. Remove the upper half of the container.
3. Remove the drive from the lower half
of the container.
4. Check the contents of the container
against the packing slip.
5. Investigate the contents of the con-
tainer for possible damage.
6. Notify the carrier immediately if any
damage is found.
3.2 PREINSTALLATION
CHECKOUT
Before applying power to the drive, the follow-
ing inspection should be conducted:
1. Check to ensure that the diskette lever
opens and closes.
2. When the lever is moved to an open
position, the head arm raises.
3-1
3. Remove the cardboard shipping insert,
and retain for future shipment.
4. Ensure that the front panel is secure.
5. Ensure that the circuit board is secure.
6. Ensure that the connectors are firmly
seated.
3.3
MOUNTING THE DRIVE
The drive has been designed so it may be
mounted in any plane, i.e.: upright, horizontal,
or vertical. When mounted horizontally, the
Logic circuit board side of the chassis must be
the top side.
Eight holes are provided for mounting: two on
each side and four on the bottom of the hous-
ing (see Figure 2-1). The two mounting holes
on each side are tapped for 8-32 screws. The
four mounting holes on the bottom require
8-32 thread forming screws. When installed in
either plane, horizontal or vertical, only two
mounting screws are required to securely hold
the drive in place.
Optional straps are available to permit two
drives to be attached together for installation
in standard width drive openings.
Any mounting scheme in which the drive is
part of the structural integrity of the enclo-
sure is not permitted. Mounting schemes
should allow for adjustable brackets or incor-
porate resilient members to accommodate
tolerances. In addition, it is recommended
that mounting schemes include no more than
two mounting surfaces.
The drive is manufactured and tested with
some critical internal alignments that must
be maintained. Hence, it is important that the
mounting hardware not introduce significant
stress on the chassis.
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