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Reassembling and
oiling the watch
Dial side
1.
The functions
of the winding
mechanism
must be lubricated
as
usual.
2.
The
centre stud (106 C) requires
no
lubricant,
for the
cannon pinion
(94
A) must turn
freely
on
the
stud.
3. Lubricate
the pivot of the minute
wheel (8) and before setting the lat-
ter,
make sure that the minute
wheel
spring,
which is riveted in the
pillar
plate,
is
properly set,
i.
e.
that
it is
pressing
against the
pivot
of the
minute wheel.
4.
After setting
the
minute work cock
(9) it is
very
important
to
check
the
endshake and the freedom of
the
cannon pinion
(94 A)
and
to make
sure
that
the
minute
wheel
spring is
pressing the
minute wheel against
the cannon
pinion (94 A).
Train side
1.
Before
installing
the
gear
train,
lubricate
the cannon
pinion
of
the
large
driving wheel
(4 F) as
shown
~ ..•..Figure
3
The minute
wheel spring
The
date
indicator
driving spring stop pin
~
Figure 5
Oiling
of
the
cannon pinion
of
the
large
driving wheel
366
308
317
317D
..•..Figure 4
The automatic
gear train
in figure
5.
When
setting
the
hands,
the
cannon pinion slips on
the
wheel,
that
is
why it is necessary to
make sure that
the
friction
(torque)
between the
cannon
pinion and
the
wheel
is
correct.
Neither too
loose,
nor too
tight.
2. Install
the
gear
train,
the breguet
spring (326) if removed, and affix
the
combined
bridge
(226).
NOTE:
We
recommend
oiling
the
top
pivot of
the sweep
second
wheel
(6
K)
on
the
bushing fitted
under the oscillating
weight arbor
BEFORE setting the
bridge.
3. Install the mainspring
barrel and
its
bridge.
4.
Lubricate
gear train (if the
top
bushing
for
sweep second wheel
has
not been
oiled before
setting
the
bridge,
lubricate
through the
oscillating
weight arbor with an
appropriate
oiler).
5. Lubricate
lower bearings
of
the
automatic
train.
6.
Lubricate reversing gear
stud.
7.
Lubricate
teeth of both reversing
gears.
8.
Install
automatic
mechanism
(as
shown
in figure 4) and
lubricate
upper
pivots.
3
9.
Install,
lubricate
and adjust
as
necessary
pallet and
balance
assemblies with bridges.
10. Affix
the
osc.llatlnq
weight and
lubricate
its arbor and gib.
Checking the automatic winding
Wind up
the mainspring
six
turns.
Hold
the
movement
or
the
watch
in a
verti-
cal plane and turn
it slowly round the
axis
of
the
hands.
The
oscillating
weight
will now
wind up
the
mainspring
and it
should drop under
its
own weight
without being carried
over
the top.
Malfunction
may
be caused byexces-
sive tension
of
the breguet
spring
(326)
or
by friction
elsewhere.
Checking the minute wheel
spring
After
affixing
the
dial and
hands,
it
is
recommended
to
check
the functioning
of
the minute
wheel
spring
by
pushing
forward
the
minute
hand (clockwise)
with
the
aid of a pegwood stick. Under
the tension of the minute wheel
spring,
the
minute
hand
must always come
back to its
original
position. This
is
necessary
in
order to overcome
normal
back-lash
in
the hands caused by the
cannon
pinion turning
freely on the
center
stud.
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