Full depth rear teeth, Throat plate – SINGER 251 User Manual
Page 25
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
25
TO SET THE FEED DOG AT THE CORRECT HEIGHT
FULL DEPTH REAR TEETH
T
nnnn
THROAT PLATE
Fig. 42. Showing Feed Dog at Correct Height
When the feed dog is at Its
highest
position^ ap
proximately the
full depth
of the
rear teeth
of the feed
dog
should
project
above
the
top
surface
of
the
throat plate, as shoyvn in
Fig. 42.
Before checking the height of the feed dog, set the
machine for the
longest
stitch, as instructed on
page 16.
To adjust, loosen the clamping screw
B2, Fig. 43
and raise or lower the feed dog (which is fastened
to the feed bar
C2, Fig. 43)
as required. Then securely
tighten screw
B2.
B2
Fig. 43. Adjusting
Height of Feed Dog
THE FEED DOG ECCENTRIC STOP SCREW
The
machine
is
prevented
from
making
longer
stitches
than
a
predetermined
maximum
by
the
Stop
Screw
W, Fig. 44
in the feed eccentric.
Feed
eccentric
stop
screw
140256,
furnished
with
Machine 251-1,
permits a maximum length of seven
stitches per inch.
Stop
screw
140258,
for
14
stitches
per
inch
or
shorter, can also be used.
Machines 251-2
and
251-3
are regularly fitted with
stop
screw
140257
permitting
a
maximum
length
of
5-1/2 stitches per inch, but either
140256
(7 stitches
per inch) or
140258
(14 stitches per inch) can be used.