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Teac A-450 - LUBRICATION; MOTOR; CAPSTAN ASSY; FLYWHEEL ASSY

Teac A-450
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6.
LUBRICATION
NOTE
Lubrication
should
be
generally
done
at
about
every
1,000
hours
of
operating
time
of
the
tape
deck.
Use
high
quality
oil
for
this
purpose.
For
efficient
oiling,
it
is
recommended
that
re}
lubrication
be
done
after
nearly
1
hour
of
idling
8
of
the
deck.
No
other
lubrication
is
normally
necessary
with
the
following
exceptions.
6-1.
MOTOR
Apply
1
or
2
drops
(approx.
0.2
cc)
of
a
light
machine
oil
|
°
with
an
oil
applicator
to
the
oiling
hole
of
the
Motor.
,
6-2.
CAPSTAN
ASS'Y
Apply
1
or
2
drops
(approx.
0.2
cc)
of
a
light
machine
oil
with
an
oil
applicator
to
the
shaft
bearing
portion
of
the
Capstan
Assy.
6-3.
FLYWHEEL
ASS’Y
See
Section
3-6
for
lubrication
of
the
newly
replaced
|
—~Capstan
Assy
Fig.
6-2
Lubrication
of
Capstan
Ass’y
Flywheel
Assy.
16
7.
ELECTRICAL
CHECKS
AND
ADJUSTMENTS
**
GENERAL
NOTICE
Before
performing
adjustments
on
the
amplifier
section
of
this
deck,
thoroughly
clean
and
demagnetize
the
entire
tape
path,
particularly
erase
head,
record/playback
head,
capstan
shaft
and
pinch
roller.
Make
sure
the
deck
is
set
for
the
proper
voltage
and
frequency
for
your
locality.
In
general,
checks
and
adjustments
for
other
than
specified
items,
are
done
in
the
sequence
of
left
channel
then
right
channel.
Double
designated
REF.
NO.
indicates
left
channel/
right
channel
(example:
VR101/201).
Value
of
“dB”
in
the
text
refers
to
0
dB
=
0.775
V,
except
where
specified.
If
a
VTVM
calibrated
to
0
dB=
1
Vis
to
be
used,
appropriate
compensation
should
be
made.
The
VTVM
used
in
the
procedures,
including
the
measure-
ment
at
CAL
test
points,
must
have
load
impedance
of
1
MQ
or
more.
To
correctly
complete
these
performance
checks,
keep
the
order
as
explained
in
this
chapter.
All
checks
and
adjustments
should
be
made
with
all
Cabinet
parts,
except
for
the
Front
Panel,
removed.
(See
Section
3-1)
For
each
procedure,
make
the
initial
equipment
test
set
up,
connections
and
switch/control
settings
as
shown
in
the
associated
illustrations.
Each
of
the
switches
shown
in
the
boxed-in
area
of
the
photograph
have
effect
on
the
procedures.
a)
Fig.
6-1
Lubrication
of
Motor
Apply
lor2
drops
jt
(approx.
O.2cc)
of
Oil
here
T~408

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