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41
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Standard Adjustment
(15) Adjusting the presser foot
1. Height of the presser foot
Height of the presser foot has to be the position the presser foot does not come in contact with other components
at the position where lifter lever
1
is lowered and comes in contact with height adjustment screw
3
.
1
2
3
Dimension A
8 mm in case of needle gauge 5.6 mm without top covering
5 mm in case of needle gauge 5.6 mm with top covering
2. Position of the thrust collar
(1) Clearance provided between thrust collar
5
and presser shaft bushing
4
is 0.1 mm at the position where lifter
lever
1
is lowered and comes in contact with height adjustment screw
3
.
3. Position of the lifter connecting plate
(1) Adjust the clearance provided between lifter connecting plate
6
and hinge screw
7
to 0.5 mm when the presser
foot is lowered in the state that the feed dog comes down below the throat plate.
(2) Adjust so that the needle enters in the center of needle entry of the presser foot and fix the presser foot with
setscrew
8
in the presser bracket.
7
6
0.5mm
0.1mm
A
4
5
8
9
Throat plate
Center of needle entry
