Service manual

To
The
Watchmaker,
This
Manual provides
complete service
and repair
information for Scries 218
ACCUTRON
movements. Perhaps
ynu already have
experience in
servicing ihe
214
ACCUTRON. Tor which
there is a
separate
service
manual.
If
so. you will
fad
thai
while Ihe
repair and servicing
procedures for 214
and 21
A
ACCUTRON
movements
are basically Ihe
same. there are
physical differences
between (he two.
primarily
in
the
arrangement of parts.
Unlike the 214 ACCUTRON
movemenl, Ihe 218
muvemenlN can be repaired and
adjusted
wilhnut Oie use of a microscope.
However, those experienced in
servicing
ihr /i-i
nOVCjeeat
(and therefore
having a Kiutable microscope
nvadable). will find
the
iniineicope very useful in checking and
adjusting 'he 2111
tmli-xinx mechanism.
Even If
you have
never tmrvlced
ACCUTRON. we would
like lo poinl
out thai the
experienced
watchmaker
nhoulil ho able lo
learn lo
service the 210
ACCUTRON
movemenl iu a
matter of
hour* wilh Ihe aid
of this
manual. Diagnostic
procedures
Tor locating
and correcting
faults are
presented on pages 12
and 13. The firs!
step in
using
these procedure is
lo estuhlish
the symptoms of
Ihe trouble. In
many in
RtanQM
Ihin
inforiiiatiun cm he
obtained only
from the
customer.
Therefore,
WHEN
EVER
POSSIBLE KIND
OUT EXACTLY
WHAT THE
CUSTOMER'S
PROBLEM IS
BEFORE YOU
ATTEMPT
CORRECTION,
For example, let us
assume that an
ACCUTRON timepiece has
been bronchi In you
because
it is gamin*;
or Inning lime. You must find
out whether the gain or loos in
n few
seconds a day or a minute
or more a week
lo
determine whether
It requires
only
simple regulation or
whether
the
movemenl mufil be
repaired. Suppose yon
are told only llml "it loses" and
your rate recorder
indicates a loss of. say.
5
seconds
.i day. If you
regulate it accordingly
nnd return it, you will have a
very dissatisfied
customer if ihe timepiece
was losing several
minutes per day (requiring repair)
On
the
odicr hand, the timepiece may
have been losing several
seconds per day, as
shown by your rale
recorder, In this case,
if
you
elect
to
"repair" ihe
movemenl.
you
are attempting lo
locate
a
defect or fault Ihat does
not
exist. Such
situations can only
he
avoided by finding out from the
customer the symptoms Ihat led him
to bring
the timepiece lo you for correction.