ELNA 683, 686 Service Manual Download | Manualshive

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LOWER LOOPER TIMING

1. Open the looper cover.
2. Turn the hand-wheel towards you until the lower looper comes in extreme left side

position.

3. Loose slightly the screw B and place the point of the lower looper to have the

distance of 2,6 mm from the left needle.

4. Tighten the screw B.

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Summary of Contents for 683, 686

Page 1: ...elna 683 686 SERVICE MANUAL 08 2002 Printed in Switzerland 396 901 92...

Page 2: ......

Page 3: ...T 9 PROJECTION OF THE UPPER LOOPER 10 RADIUS OF THE LOWER LOOPER 11 STOPPING POINT OF THE LOWER LOOPER SYNCHRONIZATION 12 LOWER LOOPER TIMING 13 CLEARANCE BETWEEN LOWER LOOPER AND LEFT AND RIGHT NEEDL...

Page 4: ...cover FRONT PANEL 1 Remove the bulb cover see bulb cover page 1 2 Remove le bulb 3 Unscrew the screw B 1 Unscrew the three screws C 2 Push the front panel slightly upwards to unhook the front panel on...

Page 5: ...dial when the cutter dial is pinched and pull them out Replace the cutter dial 1 Place the cutter dial so that the button can turn and all numbers from 5 to 7 are facing to the red arrow on the windo...

Page 6: ...BELT COVER 1 Remove the Front panel see page 2 2 Loose the two screws A 3 Unscrew the screw B 4 Unscrew the C 5 Push the base plate downwards in direction of the arrow to remove the belt cover 3...

Page 7: ...he arrow to remove the back cover In this position the back cover can be moved sufficiently in order to make all adjustments If the back cover should be replaced however the handle must be dismantled...

Page 8: ...the pressure bar How to adjust 1 Turn the tension dials so that the number 4 is in line with the mark C 2 Verify the thread tension Adjustment Insert a pencil in to the hole E and push the regulate bl...

Page 9: ...NEEDLE BAR HEIGHT 1 Remove the front panel see page 1 2 Remove the bulb socket two screws 3 Adjust the needle bar height see drawing below 6...

Page 10: ...FEED DOG LIFT 1 Remove the back cover see page 4 2 Loose the screw A 3 Turn the feed dog cam so that the feed dog is moving as shown below 7...

Page 11: ...NEEDLE BAR TIMING 1 Remove the front cover see page 1 2 To modify the needle bar movement loose the two screws A and turn the needle bar cam to adjust the timing as shown below 8...

Page 12: ...FEED DOG HEIGHT 1 Remove the front cover see page 01 2 Remove the extension table see page 2 3 Loose the screw A 4 Turn the feed dog holder pin to adjust the feed dog height 9...

Page 13: ...PROJECTION OF THE UPPER LOOPER 1 Open the looper cover 2 Loose the screw B 3 Adjust the distance A between the center of left needle and the extreme left position from the upper looper 10...

Page 14: ...RADIUS OF THE LOWER LOOPER 1 Open the looper cover 2 Loose the screw B 3 Adjust the height as shown below 11...

Page 15: ...e left side from the right needle distance A Fix a clamp C on the top of the needle bar so that the clamp touches the needle bar bushing D and turn the hand wheel backwards When the clamp C touches ag...

Page 16: ...er 2 Turn the hand wheel towards you until the lower looper comes in extreme left side position 3 Loose slightly the screw B and place the point of the lower looper to have the distance of 2 6 mm from...

Page 17: ...CLEARANCE BETWEEN LOWER LOOPER AND LEFT AND RIGHT NEEDLE 1 Open the looper cover 2 Loose slightly the screw B and adjust the clearance as shown below 14...

Page 18: ...TIMING BETWEEN UPPER AND LOWER LOOPER To check 1 Open the looper cover 2 Check the timing To adjust 1 Remove the front panel see page 1 2 Loose the screws A and adjust the timing as shown below 15...

Page 19: ...CLEARANCE BETWEEN LOWER LOOPER AND UPPER LOOPER 1 Open the looper cover 2 Loose the screw B and adjust the clearance between the lower and upper looper 16...

Page 20: ...etween the lower looper and needles 3 Check the distance from the needle to the needle guard Turn the hand wheel towards you to place the needle at the back of the needle guard 4 Adjust the distance o...

Page 21: ...in lowest position the height of the thread guide should be 2 5mm between the thread guide and the looper cover hinge 4 The lateral position of this thread guide should be 1 5mm to the hoop of lower...

Page 22: ...UPPER LOOPER TAKE UP LEVER 1 Open the looper cover 2 Check or adjust the upper looper take up lever as shown below 19...

Page 23: ...PRESSER BAR HEIGHT 1 Remove the front panel see page 1 2 Remove the bulb and bulbs socket two screws 3 Adjust the presser bar height see drawing below 20...

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