Pfaff 1211 Owner's Manual - Page 11

Changing the needle or sewing fool is easy ... Various sewing operations require different size needles or special needles. A detailed Needle and Thread Chart is shown on page 58. To change the needle. lower the presser bar lifter and turn the balance wheel until the noodle is at its highest point. Use System 130/705 H needles only. Changing the sewing foot is just as simple. The accessory box of your machine contains several special sewing feet (hemmer foot. buttonhole foot. etc.) which are used for various sewing operations. Which sewing toot to use for a specific sewing job is discussed on page 23 and the following pages. Loosen screw N (see ill. below) and pull the old needle out of the needle holder Insert a new needle and push it up as far as it will go. making sure the flat side of its shank faces toward the back. Now tighten the needle screw. To change the sewing foot. push the presser bar lifter up. Loosen screw B until the sewing foot can be removed. Attach the new sewing foot and tighten screw N securely again. 20 Perfect seams through properly balanced tensions Both tensions balanced correctly. . ....... ... Upper tension too tight or lower tension too loose .. ..... . •• . . .... .. . ....... t• . . Upper tension too loose or lower tension too tight. It may happen that your seam does not look as the one shown in Fig. 1. In this case. check to see whether the upper or lower tension needs adjusting. Then regulate the tension as follows: The upper tension is located under the top cover of your machine. as was already explained on page 10. The tension dial is provided with numbers 0 to 10. The higher the number, the tighter the tension. The normal tension setting is between 3 and 5. sion, or to the left for a looser tension. Right (R) and left (L) are indicated by arrows. If you can pull the thread from the bobbin easily against little resistance. the bobbin thread tension is just right. There is no need to adjust the bobbin thread tension if you always use the same size thread on the bobbin and in the needle. The lower tension is regulated by turning the small knurled screw on the bobbin case. Turn this screw to the right (with your thumb rather than your finger nail) for a tighter ten- 21