Timex 40 - Contact Spring and Pin Handling

Disassembly
of
Movement
Cont'd.
BALANCE
STAFF
CENTER
BALANCE
CONTACT
CONTACT
IMPULSE
DISC
The
contact
spring
must
be
pointing
exactly
to
the
center
of
the
balance
staff.
It
should
be
centered
horizon-
tally
between
the
impulse
disc
and
the
balance
.
The
contact
spring
requires
very
careful
treatment.
Protect
it
from
scratches
and
deforming
and
·
avoid
excessive
bending
while
adjus-
ting.
Do
not
touch
the
contact
area
at
the
end
of
the
spring.
Do
no
rub-
bing,
grinding,
polishing,
etc
., in this
are
a .
In
short,
handle
it
with
the
som
e
care
as
is
used
in
handling
a
hai
rspring.
Th
e
contact
pin,
contact
jewel
and
contact
spring
must
NOT
be
oiled.
The
presence
of
oi
I
on
these
parts
would
interrupt
the
flow
of
current
to
the
drive
coi
I.
The
length
of
the
contact
spring
is
fixed
at
the
factory.
No
attempt
should
be
made
to
adjust
this
length.
40.7