SINGER 10UJ13 - Manual (Page 12)

4 INTERLOCKING ( SAFETY STITCHING )
4-1 Changing from double chain stitching to
interlocking
All parts which are set for double chain
stitching must be changed to interlocking in
the order given below.
[ Changing steps ]
(1) Open the front cover and remove the
sewing margin gauge and insert the knife
cover. Align the two round red marks
in the same direction (Figure 29 & 30).
Figure 29
(2) As shown in Figure 31, pressing the
knife holder with a finger of the left
hand, rotate the upper knife holder
knob slightly forward with the right
hand. Then release the finger of the left
hand, rotate the knob until it comes to
a stop with a click. The tip of the blade
on the knife is then facing downward
and is in the operating position. It will
then be in a position to cut the cloth.
(3) Rotate the machine pulley by hand and
when the needle is at its lowest point,
pull down and set the crank lever.
Thus, the looper for overedging be­
comes operational. (Figure 32)
(4) Insert overedging needle in right side of
needle clamp. (See Page 14}
Figure 30