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7901A
b. Remove the disc drive top cover and cartridge receiver.
I
CAUTION
I
Exercise caution when cleaning. Excessive
pressure might break the encoder glass.
c. Dampen a tissue and clean both sides of the encoder
glass plate.
d. Replace the cartridge receiver and disc drive top.
e. Restore the disc drive to operational status.
5-19.
FRONT DOOR FILTER. The front door filter is
cleaned using a vacuum cleaner and the following
procedures:
a. Set the LOAD switch to the released position. Remove
drive power by setting the POWER switch off.
b. Press in on the front door screen at either the upper left
or right corner. The front door screen should open out
on the opposite side. Remove screen.
c. Remove the front door filter from the disc drive area
before further cleaning.
d. Vacuum off any exterior dust particles on the front
door filter.
e. Remove the foam plastic filter from the panel and
vacuum the panel to remove any dust wedged between
the intake holes.
f.
Vacuum the foam plastic filter material of any exterior
dust particles.
g. Connect the vacuum to a blower and blowout and
away from the filter any dust particles. Do not blow
dust through the plastic filter.
h. Return the foam plastic filter to the panel and install
the front door screen in the disc drive.
i.
Restore the disc drive to operational status.
5-20.
FRONT DOOR ASSEMBLY. The required disc
drive front door assembly cleaning materials include Kim-
wipe tissues, isopropyl alcohol solution, and anti-static glass
cleaner, part number 8500-0039. To clean the disc drive
and front door assembly proceed as follows:
a. Set the LOAD switch to the released position. Remove
the disc cartridge. Remove drive power by setting the
POWER switch off.
b. Remove the disc drive top cover, cartridge receiver, and
bottom cover.
c. Clean and vacuum the entire casting and exposed
enclosures to remove all foreign matter.
Maintenance
d. Replace cartridge receiver and disc drive top and
bottom front covers.
e. Clean front door window using a tissue dampened with
anti-static glass cleaner, part number 8500-0039.
f.
Restore the disc drive to operational status.
5-21.
SPINDLE AND LINEAR MOTORS. The motor
cleaning materials include one roll of one-inch masking
tape. To clean the spindle and linear motors, proceed as
follows:
a. Set the LOAD switch to the released position. Remove
the disc cartridge. Remove drive power by setting the
POWER switch off.
b. Remove the disc drive top cover and cartridge receiver.
c.
~emove
watches and rings from your hands.
d. Wrap two or three turns of tape around one hand
(sticky-side exposed).
e. Press the tape against all exposed magnetic areas of the
spindle and voice coil until all foreign particles are
removed.
f.
Install a Kimwipe tissue between the heads.
g. Manually e;xtend the carriage to expose the center piece
in the linear motor.
h. Press tape against the exposed center piece of the motor
until all foreign particles are removed.
I
CAUTION
I
Care must be taken to ensure that no
masking tape is left on the motor or
spindle, otherwise wear and contamina-
tion can occur.
i.
Retract the carriage.
j.
Remove the Kimwipe tissue from between the heads.
k. Replace the cartridge receiver and disc drive top cover.
1.
Restore the disc drive to operational status.
5-22.
CASTING AND CARTRIDGE RECEIVER. The
casting and cartridge receiver cleaning materials include
Kimwipe tissues and isopropyl alcohol solution. To clean
the casting and cartridge receiver, proceed as follows:
a. Set the LOAD switch to the released position. Remove
the disc cartridge. Remove drive power by setting the
POWER switch off.
b. Remove the disc drive top cover and cartridge receiver.
5-5
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