
—
4
—
5. HOW TO USE THE MACHINE
How to attach needle
Note:
Before making the following adjustment, be
sure to switch off the power source.
Insert the needle up to the bottom of needle clamp
and tighten the screw keeping the long groove
side of needle forward the left
.
Note:
if snapping of thread occurs during back
Sewing with polyester threads
,
it may be avoided
by fitting the needle with the long groove Shifted
to the front side
.
6. THREADING
Raise the thread take-up lever to its highest position and thread the upper thread in the following order.
When draw the bobbin thread, hold the end of the needle thread and turn the balance wheel. Needle bar to the
lowest position and then lift it to its highest position. Pull the needle thread and the bobbin thread is drawn up.
Put the ends of needle thread and bobbin thread front ward under presser foot.
Summary of Contents for 1798-1 AZ
Page 15: ...A ARM BED AND IT S ACCESSORIES 13 ...
Page 18: ...B NEEDLE BAR AND TAKE UP LEVER ARM SHAFT MECHANISM 16 ...
Page 21: ...C STITCH REGULATOR MECHANISM 19 ...
Page 23: ...D FEEDING AND FEED LIFTING MECHANISM 21 ...
Page 25: ...E PRESSER FOOT MECHANISM 23 ...
Page 27: ...F PRESSER LIFTING FEEDING MECHANISM 25 ...
Page 30: ...G OIL LUBRICATION MECHANISM 28 ...
Page 32: ...H MOTOR MECHANISM 30 ...
Page 34: ...I ACCESSORIES 32 ...