Timex DYNABEAT 253 - Page 17

Reassembly of the
Model
253
Movement
~
Insert
the
end
of
the
hairspring
into
the
slot
in
the
regulator
and
then
into
the
hole
in
the
hairspring
bracket
by
rotating
the
balance
wheel
and
guiding
the
end
of
the
spring.
Check
that
the
impulse pin is in
the
slot
of
the
index
lever
and
then
secure
the
hairspring
in
the
bracket
with
the
wedge pin.
Adjust
the
balance
wheel
endshake
using
caution
to
apply
minimum
downward
pressure
which
could
damage
the
points
of
the
balance
staff.
WEDGE
PIN
BRACKET
FIGURE
S
Loosen
the
shunt
bridge
screw,
slide
the
shunt
bridge
under
the
hairspring,
and
secure
with
shunt
bridge screw.
Check
for
adjustment
of
hair-
spring
and
adjust
if
necessary.
The
hairspring
should
be
leveled,
centered
and
in
light
permanent
contact
with
the
inside
edge
of
regulator
slot
and
the
regulator
tab
as
shown in Figure
S.
Hair-
spring
must
not
leave
the
de-
scribed
contact
points
at
any
time
with
regulator
within
nor-
mal
regulating
range.
Hairspring
con
be
adjusted
for
proper
level
by
grasping
spring
as
close
as
possible
to
pinning
point
.
To
Adjust
centering
-
grasp
160
°
to
180
°
from
pinning
point
.
To
adjust
hairspring
to
re-
main
in
permanent
contact
with
regulator
slot
and
tab,
carefully
bend
tab
towards
center
of
spring
until
desired
condition
is
obtained
.
Preposition
the
hands
at
12
o'clock
on
the
dial
then
position
the
dial
assembly
on
the
movement
so
the
dial
tabs
pass
through
the
plate
assembly.
Hold dial
in
place
and
bend
tabs
to
secure
on
plate
.
Drive sweep
second
hand
onto
end
of
sweep second
staff
being
sure
the
hand
is
below
the
chamfer
on
the
staff.
Place
the
movement
(and
dial
assembly)
in
the
case
being
careful
to
position
it
on
the
locating
tabs.
Replace crystal
to
secure
movement.
Insert
the
crown
and
stem
assembly
with a
turning
motion
to
assure
engagement
in
the
stem
bracket.
Put
fresh
Timex
energy
cell
Type
A in
place
(positive
(+)
side
up),
position
case
bock
and
snap
closed.
Push
crown
in
and
watch
will
start
.
If it does
not
start,
slight
rotat
i
on
of
the
watch
may
be
necessary
to
restart
the
mechanism.
253.16