SINGER 9100 - Manual (Page 28)

REPLACING THE NEEDLE
23
Change the needle regularly, especially if it is
showing signs of wear and causing problems.
Insert the needle following the illustrated
instructions.
A. Loosen the needle clamp screw and tighten
again after inserting the new needle.
The flat side of the shaft should be towards
the back.
B. Insert the needle as far up as it will go.
Needles must be in perfect condition.
Problems can occur with:
- Bent needles
- Blunt needles
- Damaged points
Attention: Turn power switch of off ("O")
position when carrying out any of the
operations shown below.
A
B
With the sewing table off the machine, the
feed dogs adjustment lever can be seen on
the base in back of the sewing machine.
Sliding the lever to the " " (b) will lower the
feed dog, for example during button sewing. If
you wish to continue sewing normally, slide the
lever to the "
" (a) in order to raise the feed
dogs.
The feed dogs if you do not
turn the handwheel, even if the lever is slid to
the right. Make a complete turn (one full
revolution of the handwheel) to raise the feed
dogs.
will not raise up
a
b
b
a
b
a
RAISE OR LOWER THE FEED DOGS