Bulova Series 218 Service Manual page 47

Electric watches
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.
Date
Mechanism
Disassembly
r
a.
Remove
dale
trip
spring
by
collapsing
open end
sufficiently
tO
slide into
rece«8
nhovr
trip
arm
until
loop
end
is
clear of
its
recess.
Spring
may
then
be withdrawn
from
date
bridge.
b.
Remove
date bridge
(3
screws)
Caution:
Lift
with care
to
avoid
loss
of date Indicator delenl
spring
c
Remove
date indicator
detent
spring,
date indicator detent
and
date
Indicator.
d.
Remove
date
trip
arm and
date
trip
wheel assembly.
e.
Remove
stem
(See
Procedure
I,
page
8],
and
date corrector.
r
Remove
date corrector
detent
\i
screw]
Date
Mechanism
Lubrication
and Reassembly
av
Replace date
corrector doteal
(i
screw).
b.
Lubricate
and rephnr
dale
nrreclnr
with
stem and
dutch
wheel. (Soo
Rcansembly and
Lubrication.
Procedure
1,
page
HZ.)
c
Lubricate date
trip
wheel
pivnl "''and replace
dale
Irip
wheel assembly
and
date
indicator
trip
arm Use
lubricant
spaiine.ly.
d.
Oil
dale
trip
arm
pin
'
l).tJse
lubricant
sparingly
a.
Replace date
indicator,
date Indicator dataal
and data
indicator detent
spring
t.
Replace
date bridge
(3
screws).
Note:
Make
certain
dale
trip
arm
is
nnt
trapped
between
pillar
plate
and
date bridge before tightening
screws.
g-
Apply
a
small
amount
of
lubricant
'•:
In
lower end
of
dale
trip
spring
which
engages
date
trip
arm.
Use
lubricant sparingly.
h.
Replace
date
trip
spring
by
collapsing
open end
sufficiently to
permit
insertion into
date bridge
recess
above
date
trip
arm. then
slide
loop
end
into
its
recess,
making
certain that
upper end
nf
spring snaps
into cutout.
i.
Lubricate date indicator
trip
arm
'!..'.
Use
lubricant sparingly.
Muebius
OL
207
- Special Lubricant with
Molybdenum
Disulfide
3
IMPORTANT
.
5-
s
:
para
45

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