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HAY
2 4
7969
10.
rifthtcn Ihe
pawl
bridge lode
screw and check
(he lightness
of
the
pawl
bridge
pivot screw,
to
assure
that the
bridge
is
rigidly
clampod
in
position.
The
ACCU-
TRON
train
should continue
to
run
(Test Sel
switch
at
"LOW
AMPLITUDE"
position),
tf
it
does
not. the
adjustment
must be
made
again
(steps
7 through
10).
13.
Disconnect
the
Test
Set
f
rum
the
movement.
Taring
218
Power
Cafl
""
1.
Place the
Power
Cell
(with
yellow
seal up)
in
nest
of Test
Set.
2.
Turn
rotary
switch
on
Test
Set
to
"CHECK
POWER
CELL"
position
3.
Read Power
Cell
voltage
on
right-hand
scale.
The
voltage
raiding should
be
in
the
"OK"
area of scale
(1
.25 to
1.45 volts)
IT
it is.
Power
Cell
is
in
satisfactory
operating
•
(•minion.
Note: Poor
electrical
contact
between Power
Cell
and
Test Sol
will
cause
either
|
low
reading or a
wavering
indication of
cell
voltage.
It
can
be
readily
vofdfld
by
making
certain
that
Power Oil
surfaces
and
contacting points
of the
Twit
Set neat
and
clip
are
clean.
Rubbing
Of twitting
a suspected
cell
between
the
contacts while
checking
voltage
la
gnod
practice
A
wavering
reading
ol
age
is
always an
indication of
pool
Contact, DO)
an
iml
ion
of
a
had
celL
Testing should
always
be
done
with
the authorized
ACCUTRON
Test
Set
or
wilh
a
high-resistance
voltmeter (hnvtng
nol
lens
than
10,000
ohms
per
volt
crudtivity),
such
u
the
ACCUTRON
Power
Coll Tetter"-
Caution:
Never
use
substitute
cells in
place
of
the
genuine
"ACCUTRON
2IB"
|w
,-
t
OH.
Though
other
cells
may
look
the
same,
they
will not reliably
operate
this
model
timepiece
and Bay,
in
some
instances, seriously
damage
the
movement
The
only
correct
Power
Cell
b« 'ACCUTRON
210"
imprint
(sec picture above).
sling
Klnctmi
;ii1
The
following
procedure
is
performed
with
the
Power
Cell
in
the nest of the
Tent
Set
and
the
movement
positioned
In
Ihe
movement
holder.
1.
Insert
plug
up
of Test
Set lead
inio the jack of the
movement
holder. (See
Fig, 21.)
2. Insert
tab
tip
of
other lead of Test Set
under
cell
strap
as
shown
in
Pig.
21.
3.
Turn
rotary
switch
on
Test Set to
"READ MICROAMPERES"
position.
The
Test
Set
meter should
give a reading of current
on
left-hand
scale.
(It
may
be necessary
to
lap
movement
lightly to start
tuning fork vibrating after
connecting Test Set
leads.)
4.
Observe
current
reading.
If
reading
is
in
the
"OK"
area of
scale
(tl.0
lo
10,0
micro-
amperes
for
the dialed
movement
with indexing
mechanism
engaged)
electronic
circuit
is
operating
satisfactorily.
Bare
fork
operation
[that
is
pillar plate,
tuning
fork
and
coils
only}
may
give
a
current
reading as
low
as 6
microamperes.
'Not
shown
in
litis
publication
19
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