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Summary of Contents for Duerkopp Adler 1183i-7
- Page 2 CONTENTS: General safety instructions ................................1 Introduction ..................................1 Head of the sewing machine ..............................2 .................................. 2 3.1.1 Description 3.1.2 Height setting of the hook 3.1.3 Setting the distance of the hook from the needle 3.1.4 Angular setting of the hook (timing) 3.1.5 Protection of the needle and of the hook point 3.1.6...
- Page 3 ................................... 19 3.8.1 Description 3.8.2 Setting the bobbin winder stop 3.8.3 Setting the friction gear ..................................20 3.9.1 Description 3.9.2 Setting the disengaging moment ..............................20 3.10.1 Setting the tensioning roller of the indented belt 3.10.2 Replacing the indented belt ................................
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- Page 10 3.3 Throat plate Caution! Danger of injury!
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- Page 14 3 5 2 3 n re r r stitc en t istri ution fine ution n er of in ur 3 5 2 Settin t e contro inc u in t e stitc en t i it tion ution n er of in ur...
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- Page 24 3.10.2 Replacing the indented belt To observe: in machines with Mini-stop first remove the driving toothed belt as instructed in par. 3.12. When replacing the indented belt, the mutual position of the pulleys (4 and 5) should be maintained. Caution! Danger of injury! Switch off the main switch! Before starting the setting operation, wait until the motor stops! - Remove the handwheel, the belt guard and the V-belt.
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- Page 28 4.7 Setting the retaining spring of the hook thread The retaining spring (1) holds the hook thread after having performed the trimming. It is to be set in such a way that the force necessary for pulling out the thread from the retaining spring (1) is approximately equal to the force necessary for pulling out the thread from the hook.
- Page 29 5. Material trimming For the knives “D” and „F“, the mutual orientation of the eccentrics (2, 3) should be such, so that their counterweights are in alignment (this refers to the largest possible stroke of the knife = 2,4 mm). Caution Danger of injury! Switch off the main switch! Before starting the setting operation, wait until the motor stops!
- Page 30 For a precise setting, a magnifying glass is to be used. For correct function of the trimming device, for a long service life of the knife and of the insert, it is necessary that the knife and the cutting edge of the insert are parallel and that there is no clearance between them and that the knife is not excessively pushed against the throat plate insert.
- Page 31 For setting the parallelism (crossing) of the knife and the throat plate insert cutting edge there serves the wedge (1). Caution! Danger of injury! Switch off the main switch! Before starting the setting operation, wait until the motor stops! - Loosen slightly the screws (2) to loosen the trimming knife. - Loosen the screw (3).
- Page 32 6.3 Setting the electromagnet current The time response of the current of electromag. has 2 phases: - initial switching on (0,2 ÷ 0,5 s) - the maximum force - maintaining (when keying) It is necessary to set max. 40 % of keying (see instructions for use of the stopmotor).
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Page 33: Machine Head
8. Connecting the electric elements on the machine head The connection of the electric elements (electromagnets, backtacking, presser foot lifting, thread trimming, loosening of the tensioner and push-buttons) is made by means of a switchboard (1) fixed with its supporting plate (2) on the rear side of the head by means of two distance screws (3) (In the Fig., these electric elements are disconnected).
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