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Tension spring
Cause 2.
If the latch of
this
causes the
of Pliers or, if
-
20cm
F
i.g
.
722
b) If the yarn is
wroogl'y threaded
throuqh
the Tension' it
1'/i1I
sag
-' ina
lire-
=titches wiil drop flom the
hooks due
to insufficient
tension. 1f this
happens,
rethread the yarn correctly'
the
neealle
is bent, ii:
cannot
open
or close
and
stitches to drop. Straighten the
laLch
ieith a pair
irreparable, replace it with a
new
one'
Cause
3.
If the
Carriage
is
moved
extremely
fast, the stitches will
become
li"[t
""a
the stitches
on both
si-des
tend
to
drop
!'/hen
the calriage
i""l"a"t""J.
-l'l.ve the
Carriage evenfy an'l
with a
reasonable
speed'
Fig.
123
i
$
:
{
!
I
$
tl
{
it
rl
t
i
I
t
$
{
A
stitch
bY
nornal
sPeed
- 76
-
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