Omega 1310 Guide de démarrage rapide

Cal. 1310 1

Technical guide

1973

CALIBRE

o 29.00 mm

Jewel number

Frequency

32'768 A/h

6.35 mm

English

1310

Movement height

29 Q SCS CALD CORR CORH CORS STS 8 jewels

Folder 1 - Replacement of power cell

IMPORTANT

To be observed strictly

The watch must in no case be demagnetized.

In order not to disturb the proper functioning of

the watch the electronic module (fig. 1.1) must not

be touched with the fingers.

The new power cell should be manipulated by

means of tweezers with insulated tips (fig. 2.1).

EQUIPMENT

Insulated tweezers.

Electronic module fig 1.1

fig 2.1

1973

Cal. 1310 2

REPLACEMENT OF POWER CELL

1.1. Open the case.

1.2. Remove and clean the back.

1.3. Remove magnetic protection.

1.4. Remove power cell bridle No. 1310.9179 by

unscrewing its screw.

1.5. Remove by suction any possible metal waste

caused by the screw of the power cell bridle.

1.6. Remove faulty power cell by turning the

watch over.

1.7. Check cleanliness of the two power cell

contacts. If necessary, clean them. If the contacts

are oxidized, it is necessary in the case of :

the power cell bridle (positive pole): to replace the

bridle No 1310.9179.

the lower power cell contact (negative pole): to

clean carefully the bridle by means of a buff.

1.8. Check new power cell. Even if minute

leakages are apparent, it should not be used. Place

power cell No 9903 in position, positive pole (+)

uppermost (fig. 3.1).

1.9. Refit power cell bridle and screw thoroughly.

1.10. Fit magnetic protection.

1.11. Grease water-resistance gasket. Close the

case.

COMPONENTS

No 1310.9179. Power cell bridle, with screw

fitted.

No 9903. Power cell, tension 1.35 V.

Fig. 3.1

Cal. 1310 3

Technical guide

1973

CALIBRE

English

1310

29 Q SCS CALD CORR CORH CORS STS 8 jewels

Folder 2 - Adjustment of the rate

Electronic module fig. 1.2

IMPORTANT

To be observed strictly

The watch must in no case be demagnetized.

In order not to disturb the proper functioning of

the watch, the electronic module (fig. 1.2) must

not be touched either with a tool - except key for

trimmer - or with the fingers.

EQUIPMENT

Key for trimmer

DELTATEST

1973

Cal. 1310 4

ADJUSTMENT OF THE RATE

2.1. Open the case.

2.2. Remove and clean the back.

2.3. Place watch on captor, movement side

uppermost, and press button "l Hz" of

DELTATEST.

Note

Generally, a measuring time of 10 seconds and

a measuring accuracy of 1/100th second will be

used.

2.4. Read instant rate shown on DELTATEST.

Note

Adjustment can only be effected if the daily rate

is lower than the possibilities offered by the

trimmer.

The guide-mark printed on the trimmer should

not be moved outside the limits indicated by fig.

2.2. The total correction area allows a rate

adjustment of 10 seconds.

If the daily rate is higher than the possible

correction limits, the electronic module should

be replaced (see folder 3-1310).

Fig. 2.2

1973

Cal. 1310 5

2.5. Where correction of the daily rate is possible,

adjust said rate by means of trimmer, using the key

specially devised for this purpose (fig. 3.2). This key

only must be used in order not to damage the

trimmer. Excess pressure should be avoided during

this operation.

By moving the guide-mark of the trimmer in a

clockwise direction, a gain is obtained; by moving it

in the opposite direction, a loss.

Adjust the watch in relation to the ambient

temperature, according to fig. 4.2.

In order that the temperature of the watch may be

equal to the ambient temperature, it is necessary to

wait about one hour before the measuring is effected.

The values indicated in fig. 4.2. are valid for

a watch with closed back.

Turn the trimmer, bearing in mind a gain of 0.10 to

0.20 sec. as compared with the desired adjustment

according to fig. 4.2, in order to compensate the loss

caused by closing of the case.

2.6. Grease the water-resistance gasket. Close the

case.

2.7. Set the watch and check frequency on

DELTATEST after 24 hours.

fig. 3.2

fig. 4.2

Cal. 1310 6

Technical guide

1973

CALIBRE

English

1310

29 Q SCS CALD CORR CORH CORS STS 8 jewels

Folder 3 - Standard exchange of movement or modules

IMPORTANT

To be observed strictly

The watch must in no case be demagnetized.

Do not touch the electronic module with the

fingers, nor unsolder the elements.

The motor module must IN NO CASE be

disassembled; the characteristics of the

magnetic circuit would be disturbed.

Do not clean the electronic module and motor

module in bath:.

EQUIPMENT

Movement holder 1310.

Key for trimmer 1301.

Tool for adjusting motor eccentric.

Deltatest measuring apparatus.

Alitest checking apparatus.

Feed by substitute power cell 1310.

Microscope.

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 µA 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).

1973

Cal. 1310 8

EXCHANGE OF ELECTRONIC MODULE

3.17. Open the case.

3.18. Remove upper magnetic protection No.

1310.9230 by turning the watch over.

3.19. Remove power cell bridle and power cell

(point 1, fig. 1.3.)

3.20. Unscrew the 2 motor connecting screws No.

2377 (2), earth screw No. 2589 (3), electronic

module screw No. 2589 (4) and electronic

module screw No. 2377 (5).

3.21. Extract faulty electronic module No.

1310.9100.

3.22. Place new electronic module in position.

Important : For this operation, the hand-setting

stem must be pushed in.

3.23. Tighten the 5 screws according to op. 3.20

and fig. 1.3.

3.24. Follow operations in the order 3.12 to 3.16.

EXCHANGE OF MOTOR MODULE

3.25. Follow operations in the order 3.1 to 3.5.

3.26. Release retaining click No. 1310.9028

(point 6, fig. 2.3.) by slightly turning the click

stud (6a).

3.27. Remove the second hand.

3.28. Unscrew the wheel train bridge screw No.

2377 (7) and withdraw the wheel train bridge No.

1310.9001.

3.29. Remove second wheel No. 1310.9010 and

third wheel No. 1310.9014.

Fig. 1.3

Fig. 2.3

1973

Cal. 1310 9

3.30.

Unscrew the 2 motor connecting screws (2),

motor module screw No. 2377 (8)

and motor eccentric locking screw No. 2582

(9).

3.31.

Extract faulty motor module No. 1310.9200.

3.32.

Place new motor module in position.

3.33.

Important : Screw very slightly the 2 motor

connecting screws (2) and motor module

screw (8).

3.34.

Fit simultaneously the third and second

wheels.

3.35.

Fit wheel train bridge and tighten its screw.

3.36.

Adjustment of motor-second wheel backlash

by motor eccentric No. 1310.9227. Turn

motor eccentric clockwise until wheel train is

stopped, using the tool specially devised for

this purpose (fig. 3.3.). If locking of the motor

is impossible, the eccentric should be left in

its position of maximum eccentricity (fig. 3.3

(B). The following operation 3.37 will not be

necessary.

3.37.

Turn eccentric slowly in the opposite

direction until the wheel train

turns normally, i.e. always in the same

direction (the wheel train is free, without

backlash).

Important : Check rotation of wheel train

curing one minute at least.

3.38.

The backlash between motor and second

wheel is then obtained by turning the motor

eccentric through an angle of 40°. To secure

this angle accurately, place tool on eccentric,

hold with one hand the upper part of the

instrument, and with the other hand turn

handle arrow-wise (fig. 3.3.) as far as tool

banking.

For the movements which have not been

stopped by operation 3.36, check that the

wheeltrain is always turning in the same

direction, then effect the 40° recoil.

Fig. 3.3

wheel-train bridge direction

Fig. 3.3. (B)

Important : If a faulty operation has occurred

in adjusting the backlash, it will be necessary

to recommence the entire adjustment as from

operation 3.36, and to follow the indications

scrupulously.

3.39.

Tighten the motor eccentric locking-screw.

3.40.

Lock motor module screw and the 2 motor

connecting screws.

3.41.

Adjustment of click by microscope : This

operation is carried out in "stop second"

position of the hand setting stem. Before

adjustment, turn the hand setting stem arrow-

wise in order to compensate the backlash.

1973

Cal. 1310 10

3.42. Slightly unscrew the screw No. 2564

(point 11, fig. 4.3.) for retaining click plate.

3.43. Engage click (6) on retaining wheel

(12). The tip of the blade must be at the top

of a tooth, as close as possible, without

touching it (position a, fig. 5.3.). If necessary,

move retaining click plate No. 1310.9026

(13) by turning the eccentric of click bearing

plate No. 1310.9029 (14).

3.44. Lock screw of retaining click plate.

Check again the click position after having

turned the stem according to fig. 5.3.

3.45. Start the watch by pushing hand setting

stem. Engage click in retaining wheel by

turning the click stud until the blade touches

the tooth (c). Turn slightly further the click

stud in order to tighten the blade (position b),

and so that a space (d) appears between the

end of the click and the tooth (e).

Important : The distance (d) between the

end of the blade and the tooth (e) must be as

small as possible. It is necessary to check

during one minute at least the passage of the

60 teeth of the retaining wheel. The click

must never touch the tooth at point (e).

3.46. Fit second hand according

to op. 3.9. and 3.10.

3.47. Follow operation in the order 3.11 to

3.16.

Fig. 4.3

Fig. 5.3

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