For rolled hemming and picot edging
* Thread tension adjustment for narrow hemming is the
same as that for 3-thread overedging (refer to page 39).
q
Wrong side of fabric
w
Right side of fabric
e
Right needle thread
r
Upper looper thread
t
Lower looper thread
The lower looper thread tension is too tight and/or
the right thread tension is too loose
Remedy:
Tighten the right needle thread tension and/or loosen the
lower looper thread tension.
y
Right needle thread tension dial
i
Lower looper thread tension dial
q
w
e
r
t
y
i
q
w
e
r
t
u
q
45
w
e
r
t
u
i
The upper looper thread tension is too loose
Remedy:
Tighten the right needle thread tension.
u
Upper looper thread tension dial
The lower looper thread tension is too loose and/or
the upper looper thread tension is too tight
Remedy:
Loosen upper looper thread tension and/or tighten lower
looper thread tension.
u
Upper looper thread tension dial
i
Lower looper thread tension dial