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4-8. Intermediate presser height
Press INTERMEDIATE PRESSER SETTING button
A
and ad-
just with TEN keys
B
so that the clearance between the bottom
end of intermediate presser and the cloth is 0.5 mm (thickness
of thread used).
1. Setting range of the intermediate presser is up to the standard of 3.5 mm.
However, when using DP X 17 needle for H type or the like, the setting range can be
changed up to max. 7 mm with memory switch U112.
2. When increasing the height of intermediate presser or making the needle size thicker,
conrm the clearance between the wiper and the components. Wiper cannot be used
unless the clearance is secured. In this case, turn OFF the wiper switch, or change the
set value of memory switch U105.
1. When raising the intermediate presser height, turn the pulley by hand to lower the needle
bar, and conrm that the needle bar does not interfere with the intermediate presser. (When
using DP X 5 needle, use the sewing machine with the height of 3.5 mm or less.)
2. Take care not to get your hands and ngers caught in the feeding frame or intermediate
presser.
A
B
0.5 mm
4-9. Adjusting the thread take-up spring
1) Adjusting the stroke
Loosen setscrew
2
, and turn thread tension asm.
3
.
Turning it clockwise will increase the moving
amount and the thread drawing amount will
increase.
2) Adjusting the pressure
To change the pressure of the thread take-
up spring
1
, insert a thin screwdriver into the
slot of thread tension post
4
while screw
2
is
tightened, and turn it. Turning it clockwise will
increase the pressure of the thread take-up
spring. Turning it counterclockwise will de-
crease the pressure.
2
1
4
3
Decrease
Increase
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