Pfaff hobbylock 797 Owner's Manual - Page 22

I I I I I Needle thread A Incorrect thread tensions: The tension range of the thread tensions lies between -5 and +5. Depending on the appearance of the seam, the thread tension must be turned in the - or +range. Direction + = ncreased tension Direction - = decreased tension Two-thread chainstitch The thread tension of needle A is too weak. The blue thread tension must be turned in direction +. 3-thread overedge seam (wide) The thread tension of needle B is too weak. The pink thread tension must be turned in direction +. Needle thread B or C Left looper thread Right looper thread 3-thread overedge seam (narrow) The right looper thread is too tight (green thread tension) or the left looper thread is too loose (yellow thread tension). It is also possible that both tensions are incorrectly set. Adjust tensions accordingly!