Timex 100 - Page 10

Reassembly of the
Model 100
Movement
DAIL
PLATE
PLATE
BALANCE
SCREW
AS
BLY
v-
BEARING
FIGURE
H
BEND
AREA
HAIRSPRING
SWEEP
SECOND
s
FIGURE
J
SWEEP
SECOND
FIGURE
K
A) Replace Balance
Wheel
Assem-
bly
.
l ) Loosen the Balance
Screw
Assembly seve
ral
turns.
2) Tilt the Balance
Wheel
As-
sembly
and
carefully
insert
the Dial side
pivot
(
Hair-
pring
end
)
and
then the
other
pivot
into the
"V
-
conic"
bearings, tighten the Bal-
ance Screw
Assembly
enough
to
hold
the Balance
Wheel Assembly in place
(See
Figure H).
3)
In
sert the end
of
the
Hair-
spring into the slot in the
regulator
and
then into the
hole in the
Hair
spring
bracket
by
rotating
the Bal-
ance
Wheel
and
guiding
the
end
of
the spring. Check
that
the impulse pin
is
in the s
lot
of
the Pallet
Lev
er
and
then
secure the Hairspring in the
bracket
with
the
Wedge
Pin
(see
Figure
J).
4) Adjust the Balance
Wheel
end shake using caution
to
apply
minimum
downward
pressure on the Balance
Screw.
Excessive pressure
can
damage
the points
of
the Balance Staff.
5) Check
for
proper
functioning
of
the Balance
Wheel
As-
sembly which requires
that
the Hairspring be in
light,
permanent
contact
with
the
inside
edge
of
the
regulator
slot as shown in Figure
J.
Adjust the
Hairspring
by
bending
within the
area
noted in Figure
J.
The
Hair-
spring shou ld
not
leave the
inside
edge
of
the r
egu
lator
slot
at
any
time
during
the
complete maximum oscilla-
tion
of
the Balance
Wheel
Assembly.
100.9