Adjustment of the Height of feed dog(Fig. 37)
29
1.Turn the pulley until the feed dog rises to
the highest position.
2
.Turn over the sewing machine head on th
-e supporting bar.
3.Unscrewing the tightened screw
①
in the
feed lifting crank
②
.
4.Rotating the feed lifting crank
②
to make
adjustment: the feed dog will be higher when
the feed lifting crank
②
is turn towards A direc
-tion; turn towards B direction the feed dog wi
-ll be lower.(When the feed dog in the highest
position, the standard height of the type of me
-dium-heavy machine is 0.8~1.0mm and stan
-dard height of the heavy duty machine is 1.1
~1.3mm
）
.
5.Remember to tighten the tightening screw
①
in the feed lifting crank
②
after adjusting.
Fig.37
①
②
A
B
A:Feed dog
B
:
Needle plate
Caution:
1.To prevent the unexpected startup
of sewing machine, trim off the power
supply before the operation is condu
-cted.
Fig.38
A
B
C
②
④
④
④
Standard
Raise
the front
Lower
the front
D
③
①
30
Adjust the lean of feed dog(Fig. 38)
-25-
ZOJE Europe 2022
