36
8.4) Height adjustment of feed dog
Set the stitch count at the minimum and place the feed
dog
①
at the maximum height. The normal condition is
that the feed dog
①
is located 1.2mm above the needle
plate
②
. If it is not in the normal condition, take actions
as below to adjust the feed dog height.
1) Turn the upper shaft pulley of the sewing machine to
place the feed dog at the highest position.
2) Lean the sewing machine backward.
3) Slightly loosen the fixing screw for the feed lift shaft
crank
③
.
4) Turn the feed lift shaft crank
④
to adjust the feed dog
height to be 1.2mm.
5) When adjustment is completed, tightly fasten the
fixing screw
③
.
①
①
②
②
④
③
8.5) Adjustment of feed lift shaft cam and
lower feed cam
1) Set the stitch count at maximum and pull down the
needle bar at the lowest point.
2) Make the second fixing screw
②
of the feed lift shaft
cam
①
move vertically and tighten the fixing screw.
3) Lower the needle bar
③
to the lowest point.
4) Move the first fixing screw
④
of the lower feed cam
⑤
vertically, and tighten the fixing screw.
5) When the adjustment is made as above, the tips of
the needle
③
and the feed dog
⑥
contact the face of
the needle plate
⑦
.
Otherwise, make adjustment as above following the
above methods.
1.2mm
[Fig. 8-7]
[Fig. 8-8]
When the feed lift shaft crank
④
is turned, make sure that it does not move toward the shaft.
Caution
⑦
②
③
④
⑤
①
⑥
Summary of Contents for KM-1080 Series
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