Adjustment
44
Fig. 13 - 38
13
.05.37
Top feed dog lift
Rule
At stitch length setting "
0
",
when the presser foot is resting on the needle plate and
the top feed foot is in its upper turning point, there should be the following clearance
between the needle plate and the top feed foot depending on the type of top feed:
1.3 mm
when the top feed dog is working behind the needle,
2.0 mm
when the top feed dog is working in front of the needle,
O
Loosen the nut
2
and increase the pressure on the presser foot slightly using the screw
1
.
O
Fit the presser foot onto the needle plate.
O
Loosen the screw
4
,
adjust the eccentricity of the pin
3
to the needle bar and tighten the
screw
4
.
O
Turn the handwheel until the lever
5
is in the rear turning point.
O
Loosen the screw
6
and push the lever
5
backwards.
O
Push a gauge between the top feed dog foot and the needle plate according to the
rule
and tighten the screw
6
.
O
Loosen the screw
8
and turn the eccentric pin
7
to make the readjustment.
O
Tighten the nut
2
and the screw
8
.
6
4
3
7
8
5
1
2
Содержание 937
Страница 61: ...Notes ...
