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Pfaff 28 manual

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Table of contents for the manual

  • Page 1

    PFAFF 28 Cylinder Bed Right Arm Sewing Machine with Beak Shutt%e INSTRUCTION BOOK G. M. PFAFF AG, Sewing Machine Factory, KAISERSLAUTERN[...]

  • Page 2

    FIGURE 8 FRiCTION ‘“LEVER D Page 11[...]

  • Page 3

    Page 2 7 3 4 7 7 6 8 8 Section Index 1, Dehvery of the Machine 2. Engaging and Disengaging the Sewing Mechanism Bobbin Case 3. Threading the Needle 4, Winding the Bobbin 5. Changing the Bobbin and Threading the 6. Drawing Up the Bobbin Thread 7. Regulating the Thread Tensans 8. Regulating the Pressure an the Material 9. Ch.oosng the Proper Needle 1[...]

  • Page 4

    Instruction Book PFAFF 28 Cylinder Bed Right Arm Sewing Machine Fitted with standard or extra large beak shuttle, link fake-up, knee lever presser foot lifter, reversible drop feed, wooden extension or iron screw-on work support for flat seaming oper ations, provided for foot, individual motor or power bench drive[...]

  • Page 5

    1. Delivery of the Machine Unless shipped directly, every sewing machine, when received at our dealers, is unpacked, carefully checked for possible damage inflicted in transit, cleaned, and tested for perfect sewing before being released For delivery to the customer. 2. Engaging and Disengaging the Sewing Mechanism Two varieties of the PFAFF 28 are[...]

  • Page 6

    3. ThreadIng the Needle As shown in photo 2, pass the thread from spool 1 through the three slotted holes of thread guide 2, around and between the tension discs 3, through check spring 4, beneath guide 5, through eyelet 6, right-left through take-up 7, through eyelets 8 and 9, needle bar eyelet 10, and then left-right through needle eye 11. Note: [...]

  • Page 7

    4. Winding the Bobbin All PEAFF 28 machines are equipped with a table winder which hos proved very useful in all sewing shops. As shown in photo 3, place spool 1 on pin 2, and the empty bobbin on spindle 6. Pass the thread from spool 1 through the hole 3, between tenson discs 4, over pin 5, and through the slot in the face of the bobbin. By press n[...]

  • Page 8

    5. Changing the Bobbin and Threading the Bobbin Case Raise the shuttle race cop by slightly pushing it up with thumb and index finger of your left hand so that it can be slipped over the head of screw a (see photo 4), then let it hong by the hinge screw. Turn the balance wheel until the beak shuttle is in is extreme right-hand position. The b ak sh[...]

  • Page 9

    3. Lay both threads back under the presser foot. Basic Role: Stop the machine or commence sewing only with the take.up in its highest position. This precaution will keep the thread from slipping out of the needle eye and will prevent jamming of the thread in the shuttle roce. In this case it is not necessary to hold the needle and bobbin threads wh[...]

  • Page 10

    The bobbin thread tension is regulated by means oF the small screw driver. Turning tension screw d (see photo 8) clockwise , will increase the tension; turning it coueter-clockwise -< will decrease the tension. Since most of the stitching work done on the PFAFF 28 coIls not only for perfect but also for strong and durable seams, the thread tensi[...]

  • Page 11

    In fig. 12, the needle thread tension may be too loose or the bobbin thread tension too tight. The operator will have to decide in each individual case whether or not either tension requires adjustment, particularly so the thread forms small krots or loops on the upDer or underside of thc material. Fig. 11 Note: The neede thread tension can only be[...]

  • Page 12

    If the needles are too thick for the material to be sewn, ugly needle marks will show in the material. With long, thin needles, vibration of the needle can hardly be avoided. Therefore, two needle systems comprising needles of different lengths are used with PFAFF 28 machines, depending on the type of work. For machines intended far fine stitching [...]

  • Page 13

    Needle and Thread Chart PFAFF Needle Thread Weight Class of Work Size Cotton 90-60 Rayon 40-30 very fine leather, 8 Silk, continuous fiber 00 flimsy fabrics Silk, staple fiber 24 Cotton 60-40 Rayon 30-24 fine leather, Silk, continuous fiber 0 fine linings Silk, staple fiber 22 Cotton 50-30 medium leather, Rayon 30-24 10 . . fine shoe uppers and bag[...]

  • Page 14

    1O Inserting the Needle In any case, the needle is to be pushed up in the needle bar as far as it will go and to be fastened securely. Flat-shank needles, System 805, ore to be inserted with the flat side of the shank facing the needle bar. However, inserting round-shank needles, System 190 and 690, should present no problem if the following basic [...]

  • Page 15

    12. The Knee Lever Presser Foot Lifter With the exception of sub-class 28-15, all PFAFF 28 machines are provid ed with a knee lifter which permits to raise and lower the roller presser or presser foot by knee control and allows the operator to rnaniouiate the work with both hands when performing intricate sewing operations. The knee lever pad can e[...]

  • Page 16

    The extra arge beak shuttle which is used in canjunction with longer needles is of the same type as the standard-size beak shuttle, the only difference being ts larger size to accomodate a bobbin of a greater capa city. 14. Tilting the Machine Over Compared with the obsolete PFAFF 23 and 25 Cylinder Bed Sewing Machines, the PFAF 28 features a consi[...]

  • Page 17

    As a rule, all bearings and parts n movable contact are to be oiled. After the machine has been tilted over (as instructed in poragroph 1 4), the parts inside the vertical part of the arm are eosily occesstble (see photo 16). The machine will repay thorough cleaning and proper oiling with light running and perfect stitching. All fluff that hos accu[...]

  • Page 18

    Packed dust or fluff should be carefully removed with a pointed pece of wood. Scissors and screw drivers ore unsuitable for this purpose. The lacquer finish of the machine does not require special maintenance. It is sufficient to rub off the machine now and then with same kerosene and to polish it with a soft cloth. Only in very rare machine exclus[...]

  • Page 19

    The electric motor calls for practically no maintenance. After a longer period of use, check if there is sufficient grease in the grease bushings. If tilling up is necessary, use only the special motor grease whch we supply in handy tubes. The complete treadle assembly is left on the machine when it is power driven. This means that, in the case of [...]

  • Page 20

    19 Probable Causes of Sewing Troubles Skipping of Stitches: 1. Neede inserted incorrectly, grooves facing the wrong way. 2. Other than proper needle system used. 3. Needle bent. 4. Needle threaded incorrectly. 5. Needle inadequate for the thread used. Breaking of Thread: 1. For any of the causes mentioned above. 2. Tensions too tight. 3. lnferior.q[...]

  • Page 21

    SEWING MACHINE FACTORY G. M. PFAFF AG, KAISERSLAUTERN Founded 1862 Certificate of Guarantee For every PFAFF Sewing Machine bearing this TRADE and the name MARK PFAFF the factory assumes fu(I guarantee for first-class quality, efficiency, and durability. The Trade Mark and the name PFAFF are registered. All rights reserved. Nr. 9008 engl. P 1055 Pri[...]