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MAY
24
1969
CASING SPRING
COIL
FORM
SCREW
power
cai
CELL
STRAP
CELL STRAP
HOLD-DOWN
SCREW
Fig.
ID
Replacing
movement
in
case.
la\
Replacing
casing spring
and
power
cell.
Replace
casing spring
(2
screws).
b.
Replace
power
uell
[imprinted
side.
down,
yellow
sea) up).
c.
Tighten
cell
strap
and
coil
form
screws.
9
V
.
See page
8.
steps
1
and
2.
Regulation following
repair.
10
IV
After
the
movement
has
been
replaced
in
the case,
always check
regulation (adjust
if
necessary)
to
assure
that
the
rate
of
the
cosed timepiece
is
approximately
two seconds
per
day
slow,
in dial
up
position.
The
most
convenient
method
is
to
use
the
Rate Recorder
(see
page
11)
Otherwise,
be
certain that
an accurate time source
is
used
for
checking
true
24-hour
rate.
49
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