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1973
Cal. 1310
7
EXCHANGE OF MOVEMENT
3.1.
Open the case.
3.2.
Remove upper magnetic protection No.
1310.9230 by turning the watch over.
3.3.
Remove hand-setting stem No.
1310.9030 by pressing the head of the
setting lever staff (red plastic) No.
1310.9044.
3.4.
Remove the two fixing bridle screws
No. 2533 and the bridles.
3.5.
Extract movement from case.
3.6.
Take off the three hands.
Important :
Avoid moving the second hand
backwards so as not to damage the retaining
click.
3.7.
Remove simultaneously the dial, lower
magnetic protection No. 1310.9225 and dial
rest (green plastic) by lifting the whole with
the aid of a screw-driver inserted near the
dial feet in the two main plate countersinks.
3.8.
Fit a power cell on the new movement
(see folder 1-1310)
3.9.
Pull the hand-setting stem and place
dial and hands in position; turn hour and
minute hands backwards in order to
compensate the backlash before fitting the
second hand. This latter hand will be fitted
on an even number index.
3.10.
Checking of the second hand jump; this
latter hand being positioned on an even
number, push the hand-setting stem; 1
second after this function the hand should
make its first jump. If this is not so, take off
the second hand and move it by 1 second
before refitting.
3.11.
Proceed with casing-up of movement.
3.12.
Set up feed by substitute power cell and
check by means of Alitest that the watch
functions between 1.15 V and 1.40 V.
3.13.
Measure current. Consumption should
not exceed 15
µ
A under a tension of 1.35 V.
Should one of the conditions mentioned not
apply, then the movement must be returned
to the Omega agent.
3.14.
Place power cell in position (see folder
1-1310).
3.15.
Fit magnetic protection.
3.16.
Proceed with adjustment of the rate
(see folder 2-1310).
Summary of Contents for 1310
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