32
VF2400
6. Adjustments
6.9 Height of feed dog
6.10.1 Spreader
6.10 Needle and spreader
Fig. 6-26
1.0 - 1.2 ㎜
①
②
a
③
④
⑤
0.5 - 0.8 ㎜
4.5 - 5.5 ㎜
Fig. 6-27
Fig. 6-29
③
Fig. 6-28
stitch plate
9 - 11 ㎜
When the feed dogs are at highest points, their tops are
parallel to the top of the stitch plate. Make the even height
of the differential feed dog ① and the main feed dog ② ,
and the height from the top of the stitch plate to their tops
to 1.0 - 1.2 mm.
Adjust the height of the spreader so that the top cover
thread passes behind the right needle and be caught by
the left needle within adjustable range based on the nee-
dle distance.
Make the clearance between the left needle and the hook
“a” to 0.5 - 0.8 mm when the spreader ③ moves from the
right to the left.
Make the clearance between the center of the left needle
and the hook “a” to 4.5 - 5.5 mm when the spreader
moves at extreme left.
Make the height from the top of the stitch palte to the
bottom of the spreader ③ to 9 - 11 mm.
Loosen the screw ④ of the spreader and the screw ⑤ of
the spreader holder ⑤ to adjust it.
ＨＩＮＴ
