Gebruiksaanwijzing /service van het product dorina 77 van de fabrikant Pfaff
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Do’s and Don’ts 1 Always beware of the up-an&down movement of the needle and do not turn your attention from the machine while it is running. 2. When changing the needle, the sewing foot, the bobbin or any other parts, always disconnect the machine by pulling the plug out of the wall socket.
Contents The parts of Model 72. 4— 5 The parts of Model 75 6— 7 The parts of Model 77 8— 9 Detachable workplate, Models 75 and 77 10 Howto usethefoot control 11 The sewing lamp 1 1 Table of need.
Applications for the free arm of Models 75 and 77 Sewing tubular — shaped articles on Models 75 and 77 Sewing with a twin needle Tricot zigzag stitch, Models 75 and 77 Triple, straight stretch stitch, Models 75 and 77.
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1 Sewing foot pressure regulator (Patch-O-Matic) 2 Bobbin winder tension 3 Take-up lever 4 Thread guide 5 Top cover 6 Spool pins 7 Stitch selector 8 Bobbin winder spindle 9 Bobbin winder stop 10 Hand .
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1 Sewing foot pressure regulator (Patch-O-Matic) 13 Bedplate 2 Bobbin winder tension 14 Needle thread tension 3 Take-up lever 15 Needle bar 4 Thread guide 16 Needle holder with fixing screw 5 Top cove.
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1 Sewing foot pressure regulator (Patch-O-Matic) 2 Bobbin winder tension 3 Take-up lever 4 Thread guide 5 Top cover 6 Spool pins 7 Stitch selector 8 Bobbin winder spindle 9 Bobbin winder stop 10 Hand .
Detachable workplate, Models 75 and 77 F V P The detachable workplate increases the sewing area for ordinary T sewing operations. Removing Lift the end of the workplate near to the lug and pull it away. -I * * Fitting Push the workplate over the free arm of the sewing machine until its lug snaps into the notch in the arm.
How to use the foot control Place the control in a position where you can reach it easily with your foot. Turn the hand wheel towards you and press the pedal down. The harder you press the pedal the faster the machine sews. The sewing lamp * Switch The sewlight switch is found on the back of face plate.
xj Tables of needles, threads and fabrics 12 (As to the size of needles please see rear cover pagei.
Inserting the needle To insert the needle proceed as follows: Turn the hand wheel towards you until the needle is at the top. Loosen the needle fixing screw. Turn the needle with the flat side facing away from you. Push the needle in its hole as far as it will go.
The stitch selector, Model 72 Turn the selector until the symbol of the stitch you require is at the setting mark. If you set the symbols left D or middle D the machine will sew straight stitches with the needle in the left or middle positions. Set to the range marked w— the machine will sew zigzag stitches of the width selected.
The stitch selector, Model 77 Turn the selector untH the symbol of the stitch you require is at the setting mark. The white symbols are for straight stitch, zigzag stitch and utility stitch.
16 Stitch length selector and reversing button To change the length of the stitches proceed as follows: Turn the selector so that the number for the required stitch length is at setting mark A. The numbers indicate the stitch lengths in mm. The lower the number, the shorter the stitch.
If the bobbin thread runs in a straight line on the underside of the material, the needle thread tension is too loose. If you cannot remove this fault by increasing the needle thread ten sion, you may have to decrease the bobbin thread tension as shown in A.
Regulating the sewing foot pressure (Patch-O-Matic) Rer To release the sewing foot pressure, pijsh ring A downwards. This causes the regulator to spring to its highest position.
Removing and inserting the bobbin case and bobbin, Model 72 1. Lift the sewing foot by raising the lifting lever. 2. Turn the hand wheel towards you until the take-up lever is at the top. 3. Open the bedplate cover. Lift the bobbin case latch and pull the bobbin case out with the bobbin inside.
Removing and inserting the bobbin case and bobbin, Models 75 and 77 Win 1. Raise the sewing foot and turn the hand wheel towards you until the take-up lever is at the top. 3. Lift the bobbin case latch and pull the bobbin case out with the bobbin inside.
Winding the bobbin Hold the hand wheel firmly with your left hand and undo the locking screw with your right hand (turn towards you). Place a reel of thread on pin 1.
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Threading the bobbin case Hold the bobbin betwen the thumb and forefinger of your right hand and pull off a few inches of thread. Hold the bobbin case in your left hand as shown in the drawing and place the filled bobbin inside. Pull the thread into the slot in the edge of the bobbin case.
Threading the needle thread Dra Move the take-up lever to its top position by turning the hand wheel towards you. Lift the sewing foot by raising the presser bar lifter, and thread the machine as follows: Pass the thread through guides 1 and 2.
Drawing up the bobbin thread Hold the end of the needle thread with your left hand. Turn the hand wheel slowly towards you until the needle moves down then up again and the take-up lever is at its highest point. Pull the needle thread slowly. The bobbin thread will now come up through the needle hole in a loop.
26 Sewing with straight stitch Indications in the different operations concerning the colour code selector only apply to Model 77. How to begin sewing Place the material under the sewing foot.
How to turn corners Stop the machine at the corner so that the needle is down in the material, then lift the sewing foot. Turn the fabric about the needle. Lower the sewing foot and continue sewing. How to finish sewing At the end of the seam, press the reversing button in order to sew a few securing stitches.
Sewin The free such as / / Applications for the free arm of Models 75 and 77 28 Here are a few examples of the kind of work you can do with the help of the free arm of your machine.
Sewing tubular-shaped articles on Models 75 and 77 The free arm is particularly suitable for sewing or darning tubular articles such as sleeves, trousers or socks. e 0 gQ ( How to use: Place the article over the free arm, lower the sewing foot and begin to sew, guiding the material lightly with your hands.
+ Sewing with a twin needle Pretty coloured patterns can be made by sewing with two needles and different-coloured threads. Set the stitch width between 0 and 2 in range , on the stitch selector, but not higher than 2 or a needle may break. Insert the twin needle in exactly the same way as a single one (flat side away from you).
.4-’ Tricot zigzag stitch, Models 75 and 77 This stitch is very suitable for darning tears. It can also be used for reinforcing stretch materials and sewing on fabric parts. — Set the machine as described at the left and begin to sew. Note: Use the blue-marked needle in the accessories or a needle with hollow clearance, No.
Triple, straight stretch stitch, Models 75 and 77 Fe If you wish to sew stretch fabrics, this is the right stitch to use to avoid thread breaking. It is also very suitable for seams that need great strength, e.g. crutch seams or pocket seams. Note: Use the blue-marked needle in the accessories or a needle with hollow clearance, No.
Feather stitch, Model 77 I /j f I /-&- ccessories or a O5 H-S. This will suitable for This stitch is suitable for fancy effects Sewing foot- zigzag foot Stitch selector Colour code selector: - blue Stitch length selector: . 4 and for sewing stretch fabrics.
11111 Iii 1111111! 111111 Overlock stitch, Models 75 and 77 With this seam it is possible to provide raw edges, especially on easily fraying fabrics, with a good-looking and lasting edge finish. Place the fabric under the sewing foot so that the stitches are made over the edge.
ewing buttonholes e buttonhole mechanism fitted in this machine makes it possible to sew buttonholes in a short time without iy turning of the material. Sewing foot buttonhole foot Stitch selector LU’-U1 -,42 Colour code selector:. white/red Stitch length selector:.
Sewing buttonholes (continued) Set the stitch selector at “ III 1” and sew slowly until the seam is long enough, then stop the machine at B. Set the selector at “4 2’ and sew about five stitches until the needle is at point C.
ewing on buttons Sewing foot button sewing foot stitch selector €D W’ Stitch width depending on holes in button colour code selector:. white/red Stitch length selector:. . the stitch selector at a stitch width that allows the Exchange the ordinary sewing foot with the button sewing foot.
Sewing in zip fasteners Move the needle to the top and screw on the zip foot. Loosen the screw on the zip foot and set the foot so that the needle can enter into the left hole.
lemming Sewing foot . hemmer Stitch selector c.D Colour code selector: . . whitelred Stitch length selector:. . 2 to 4 old over the fabric edge by about ‘Ia” and place it under the foot. Secure the folded edge with a few stitches. ake out the workpiece and draw the hem into the hemmer foot by pulling on the threads.
Sewing blind hems, Model 72 Turn the hand wheel until the feed dog is below the needle plate surface. Lower the sewing foot. Loosen the sewing foot fixing screw in order to place the hem guide between the screw and the sewing foot. Tighten the sewing foot fixing screw and make sure guide A is in the middle of the two prongs of the sewing foot.
Sewing blind hems, Models 75 and 77 Turn the hand wheel until the feed dog is below the needle plate surface. Lower the sewing foot. Loosen the sewing foot fixing screw in order to place the hem guide between the screw and the sewing foot.
Embroidery Place the fabric in an embroidery hoop. Set the stitch length selector at” “. Lowerthe sewing foot. Hold the embroidery hoop firmly with both hands. While you are sewing the pattern move the embroidery hoop slowly and do not allow your fingers to get near to the needle.
Cleaning the shuttle race This machine is equipped with a shuttle race cleaner, which means it will be seldom necesseary to clean the shuttle race. However, should it be necessary to check the race, proceed as follows: Move the needle bar to its top position.
Cleaning the feed dog In order to make sure there are no disturbances in operation of the machine it is important to clean the feed dog of dust and thread waste as often as possible. Remove the needle plate as shown in the illustrations on the left. Clean the feed dog with a brush as shown on the right.
How to oil the machine The oil holes are marked with arrows in the illustrations below. Before oiling, they should be wiped clean. Apply one or two drops of a non-resinous sewing machine oil. If the machine is in constant use, this should be done every two or three days.
Drive belt tension If the motor no longer drives properly or the drive belt has just been renewed, the drive belt tension has to be adjusted. Todothis: c Unscrew and take off the belt cover Loosen the fixing screw of the motor bracket (see ill, below).
Faults and how to remedy them: Needle not properly fitted on needle bar Needle bent or blunt Needle worn Needle thread breaks Cause: Remedy: Needle not properly threaded Thread properly Thread tension.
Faults and how to remedy them Thread forms loops Cause: Remedy: Thread tension not properly regulated Read instructions for regulating needle- and bobbin thread tension Needle thread not properly thre.
in thread tension sad correctly in thread tensions ure oil Size of needles U.K. W. Germany U.S.A. U.K. W. Germany U.S.A. 3 40 19 120 046 4 45 019 20 125 048 5 50 019 21 130/140 051 6 55 022 22 150/160.
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