Singer 320K2 - Page 38

37
NEEDLE
THREAD
TENSION
(continued)
In
the
titibalan(,vd
tesions
of
Fig.
59.
ibe
needle
thread
lie,
straight
along
top
side
of
5
material,
caused
lo;
too
heavy'
tenlsionl
onl
needic.
thiread.
In
the
unbalanced
tensions
of
Fig.
60.
thel
bobbin
thread
lies
Straiiht
along
under
side
of'L.t.~rd<ira
fmafterial.
baYcdi
tool
light
Icnlsior,
on1
edloe
iitMO
opto
thread.