Pfaff tipmatic 6150 Owner's Manual - Page 21
Pfaff tipmatic 6150 Manual
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Inserting the bobbin Insert the full bobbin in the bobbin case. When doing so, pull the thread sideways through slot A, then under tension spring B until it rests in the opening (see arrow). Check: When you pull the thread, the bobbin must turn clockwise. Checking the bobbin thread tension Hold the bobbin case by the thread and move your hand sharply upwards. The bobbin case must slip downwards a little with each hand movement. Correcting the tension: Turn adjusting screw C just a little to the left to decrease the bobbin thread tension. Turn screw C lust a little to the right to increase the tension. Inserting the bobbin case Lift cover F and push the bobbin case fully onto pin 0 of the sewing hook. Opening E of the bobbin case must face upwards. Check: Pull the bobbin thread sharply; the bobbin case must not fall out of the hook. F 19