19
Check the OFF-status condition of a power switch before adjusting the differential feed.
Warning
7) DIFFERENTIAL FEED RATIO ADJUSTMENT
[Figure 21]
[Figure 22]
[Figure 23]
1) To get the large differential feed ratio, loosen the nut
①
and turn the screw
②
, then lower the lever
③
. The end of the sewing
machine is shrinking. To get the small differentia feed ratio, turn the screw to (-) direction and raise the lever
③
.
2) After adjusting, tighten the nut
①
.
8) MAX./MIN. DIFFERENTIAL FEED RATIO
(FEEDING VOLUME OF THE MAIN FEED DOG)
1) Loosen the screw
④
, remove the cover
⑤
from the back of the
sewing machine.
2) Loosen the nut
⑥
and move up/down the link
⑦
. To increase
the differential feed ratio, move the link toward (+) direction.
To decrease the differential feed ratio, move the link
⑦
toward
(-) direction.
3) After adjusting, place the cover
⑤
on the back of the sewing
machine and tighten it with the screw
④
.
※
The adjustment of the differential feed ratio can be possible
but the stitch width is changed together.
①
②
③
④
⑥
⑤
⑦
⑦
