– 20 –
– 20 –
‒ 20 ‒
Adjust the height from the top surface of throat plate
❶
to
the rear end of main feed dog
❷
to 1 mm when the feed
dog comes to its highest position and tighten setscrew
❸
to fix the feed dog. For the height of differential feed dog
❹
, adjust the height of front end
❺
of main feed dog
❷
to
that of rear end
❻
of differential feed dog
❹
, and tighten
setscrew
❼
to fix the differential feed dog. It is the stand
-
ard that throat plate
❶
is flush with the feed dog when the
feed dog is in its highest position.
11. Adjusting the height of the feed dog
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the follow-
ing work after turning the power off and ascertaining that the motor is at rest.
❶
❷
❹
❺
❻
1mm
12. Installing position of the spreader
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the follow-
ing work after turning the power off and ascertaining that the motor is at rest.
[Adjusting the height]
The height of spreader
❶
is 8.3 to 8.7 mm from the top sur
-
face of throat plate
❷
to the bottom surface of spreader.
Adjust the height with clamp screw
❸
and fix the spreader
❶
.
[Adjusting the longitudinal position]
Adjust so that the clearance between the spreader
❶
and left-
hand needle is 0.1 to 0.3 mm when spreader
❶
travels from
the extreme left position to the right and section
A
comes to
the front of left-hand needle. Then fix the spreader
❶
with
clamp screw
❸
.
[Adjusting the lateral position]
Adjust so that the distance from the center of left-hand
needle to section
B
of the spreader
❶
is 4.5 to 5.5 mm
when the spreader
❶
is in the extreme left position. Then
fix the spreader
❶
with clamp screw
❹
.
0.1 - 0.3 mm
4.5 - 5.5 mm
16 - 18 mm
8.3 - 8.7 mm
❶
❸
❹
B
❷
A
❶
❸
❶
❸
❼
