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4-7. Intermediate presser height
1. When raising the intermediate presser height, turn the pulley by hand to lower the needle
bar, and confirm 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 fingers caught in the feeding frame or intermedi-
ate presser.
[IP-500]
1. Setting range of the intermediate presser is up to the standard of 3.5 mm.
However, when using DP × 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,
confirm the clearance between the wiper and the components. Wiper cannot be used
unless the clearance is secured. Place the memory switch U105 in OFF position. Be-
sides, note that the wiper is set so as to sweep at the position where the intermediate
presser is in the lowest position in spite of the setting of intermediate presser height
at the time of delivery. (Memory switch U105)
4-8. Adjusting the thread take-up spring
❸
❹
Increase
Press INTERMEDIATE PRESSER HEIGHT SETTING button
A
A. Adjust the clearance provided between the lower end of inter-
mediate presser and the material, when the needle is brought to
its lower end, to 0.5 mm (thickness of the thread to be used) using
numeric keypad B.
B
❶
❷
Decrease
1)
Adjusting the stroke
Loosen setscrew ❷ , and turn thread tension
asm. ❸ .
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 ❶ , insert a thin screwdriver into the
slot of thread tension post ❹ while screw ❷
is tightened, and turn it. Turning it clockwise
will increase the pressure of the thread take-
up spring. Turning it counterclockwise will
decrease the pressure.
– 15 –
0.5 mm
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