2-Thread Overedge Seam; Possible Correction Requirements - Pfaff hobbylock 4760 Instruction Manual

2-thread overedge seam
I
Left needle Right needle
Standard seam width N Standard seam width N
r
L__
5,7
MM
Adjustable range 5.2 to 7.2 mm
Adjustable range 3 to 5 mm
ceside•Heve
The left-hand illustration shows the
2-thread overedge seam with correctly
set thread tensions.
Possible correction requirements:
1. Looper thread A is too loose (yellow
thread tension>.
2. Needle thread B is too tight (blue or
green thread tension).
3. Both tensions have to be corrected.
1. Looper thread A is too tight (yellow
thread tension>.
2. Needle thread B is too loose (blue or
green thread tension).
3. Both tensions have to be corrected.
21