Perfect Seams Through Properly Balanced Tensions - Pfaff 1213 Instruction Book

Perfect seams through properly
balanced tensions
V
Even so, your seam may 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 tensions as fol
lows;
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 nor
mal tension setting is between 3 and 5.
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
tension, 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.
Always use the same size thread on the
bobbin and in the needle.
Both
ten&ons btanced
The thread tensions are set at our factory,
using the
most
popular threads.
'11