1O. Maintenance
A
periodic
cleaning
of the head surfaces and
aII other
parts
touching the tape
is
necessary in order to maintaln the
quality
and
trouble-free operatlon
of the
recorder.
Special
care
should
be
given
to the tape
guide pin
onthe
right hand
side,
as it contains the
photoelectric
sensing
el.ement.
To assure
proper
functioning of the end-of-tape-switch,
keep the
small
light-port in the
right-hard
guide pin
free
from
any
dirt deposits.
Remove the front head cover
for cleaning by
pulling
it
slightly upwards and unscrew
the two
screws of the rear head
cover.
The
use of
a soft
cloth or so-called
Q-Tip
is
recommended.
Methylated Spirits
may be
used
if necessary to
remove
deposlts.
WARNING:
The
liquid must
not be allowed to touch the
gray plastic
head cover. Great
care must be exercised
when cleaning the
heads.
In
no case use metal.l.ic tools.
The
machine must
not be lubricated.
A.Il bearings are self-Iubricated.
31
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General