6300
(3)
Saturate pad with
91
% isopropyl alcohol.
NOTE
Do
not
dip the lint-free pad into alcohol,
but
pour
the
liquid over pad
so
as
not to contaminate the alcohol.
(4)
While rotating the spindle chuck CCW, insert the cleaning wand parallel to the
disk far enough to cover the innermost track. The lint-free pad should lightly
contact the surface
of
the disk and should point directly at its center.
(5)
After the disk surface has been subjected to the alcohol treatment, and with the
disk
still
spinning, quickly withdraw the wand with a steady motion lifting it
gently from the disk surface.
(6)
Using the procedure
tn
Step (4), wipe the
disk
surface dry with the second
cleaning wand. Remember that you are gently drying the disk - not polishing it.
Th
is operation must be done before the alcohol evaporates
to
prevent puddles and
solvent spots from forming on the disk surface.
CAUTION
EXCESSIVE
WAND PRESSURES
CAN
CAUSE DRY
FRICTION
HEA T WHICH
CAN
DESTROY RECORDED
DATA.
CAUTION
DO
NOT
ALLOW
ALCOHOL
TO
DRY
ON
THE DISK
SURFACE. DO
NOT
TOUCH THE DISK WITH FINGERS.
ACIDS
EMITTED FROM
SKIN
CAN
CAUSE PERMANENT
DAMAGE
TO
THE DISK SURFACE.
(7)
As the disk continues
to
spin, withdraw the cleaning wand with a steady motion,
lifting
it
gently from the disk surface.
(8)
Inspect each disk surface after cleaning; repeat the cleaning process if necessary.
(9)
Reinstall the plate and hardware removed in Step (1).
6.4.3 REMOVABLE
DISK CARTRIDGE CLEANING
The
2315
and 5440-type removable
disk
cartridges must be cleaned period ically. Pertec
recommends the use
of
a mechanical disk cartridge cleaner; there are several of these
cleaners available on the commercial market.
Additionally, there may
be
media cleaning
and
refurbishment services available locally.
6.4.4 CLEANING THE SPINDLE
Wipe the spindle cone and the magnetic chuck with a dry lint-free wiper. Metal particles
that
have
become attracted to the magnetic chuck may be removed using masking tape.
6.4.5
CLEANING THE POSITIONER
The
positioner shaft and scale can be cleaned with a lint-free wiper
slightly
moistened with
isopropyl
alcohol. Carefully wipe the surfaces to remove any accumulated matter.
CAUTION
DO
NOT
WET THE SHAFT, SCALE, OR WIPER WITH
AN
EXCESSIVE
AMOUNT
OF ISOPROPYL ALCOHOL AS
IT
COULD SEEP INTO CARRIAGE BEARINGS CAUSING
BREAKDOWN OF THE BEARING LUBRICANT.
CAUTION
DO
NOT
DISASSEMBLE THE POSITIONER FOR
CLEANING.
6-8
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