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10. Adjusting the height of the feed dogAdjusting the height of the feed dog
1
2
4
5
6
1mm
3
7
Adjust the height from the top surface of throat plate
1
to the rear end of main feed dog
2
to 1 mm when
the feed dog comes to its highest position and tighten
setscrew
3
to x the feed dog.
For the height of differential feed dog
4
, adjust the
height of front end
5
of main feed dog
2
to that of
rear end
6
of differential feed dog
4
, and tighten set-
screw
7
to x the differential feed dog.
It is the standard that throat plate
1
is ush with the
feed dog when the feed dog is in its highest position.
11. Installing position of the spreader
0.1 to 0.3 mm
7.8 to 8.2 mm
1
3
4
B
2
A
1
3
1
4.5 to 5.5 mm
17 to 18 mm
[Adjusting the height]
The height of spreader
1
is 7.8 to 8.2 mm from the
top surface of throat plate
2
to the bottom surface of
the spreader.
Adjust the height with clamp screw
3
and x the
spreader.
[Adjusting the longitudinal position]
Adjust so that the clearance between the spreader
and left-hand needle is 0.1 to 0.3 mm when spread-
er
1
travels from the extreme left position to the
right and section
A
comes to the front of left-hand
needle. Then x the spreader with clamp screw
3
.
[Adjusting the lateral position]
Adjust so that the distance from the center of left-
hand needle to section
B
of the spreader
1
is 4.5
to 5.5 mm when the spreader
1
is in the extreme left
position. Then x the spreader with clamp screw
4
.
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the fol-
lowing work after turning the power off and ascertaining that the motor is at rest.
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the fol-
lowing work after turning the power off and ascertaining that the motor is at rest.
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