JUKI DDL-9000C-F Series, Инструкция по эксплуатации

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3-6. Presser foot (Active presser device)
WARNING :
Do not place anything under the presser foot when turning the power ON. If the power is turned ON
while placing something under the presser foot, the sewing machine displays E910.
1. To avoid personal injury, never put
your fingers under the presser foot.
2. Be aware that the presser foot
pressure varies when the presser
foot or the throat plate is changed.
1. Be sure to input a positive value on the operation panel in the case the micro-lifter function is not
used. If not, the presser foot is slightly raised and the feed dog is unable to provide a sufficient
efficiency of feed.
2. In the case of using the micro-lifter function, the efficiency of feed is likely to be insufficient. To
achieve the sufficient efficiency of feed, reduce the sewing speed or help feed the material by hand.
3-6-1. Presser foot pressure
The presser foot pressure is displayed in
section A on the panel. (Example of display :
100)
[How to change]
1) Display the presser foot pressure entry
screen by pressing
❶
.
Input value on
the panel
Presser foot pressure (Reference)
S type H type
0 Approx. 10 N (1 kg) Approx. 30 N (3 kg)
100
(Factory-set-
ting at the time
of shipment)
Approx. 40 N (4 kg) Approx. 60 N (6 kg)
2) Change the presser foot pressure as de-
sired by pressing ❷ . (Range of input values
on the panel is from -350 to 200.)
* Refer to the following for a rough indica-
tion of the input value on the panel and
the presser foot pressure.
3) Confirm your entry by pressing ❸ .
Then, the sewing screen is displayed.
3-6-2. Micro-lifter function
Sewing while lifting the presser foot by very small amount is enabled by inputting a negative value on the
panel. The micro-lifter function helps reduce slippage and damage of the material in the case of sewing
raised fabric such as velvet.
* Refer to the table shown below for a rough indication of the relation among the value input on the panel,
the presser foot height and the presser foot pressure.
Input value on the panel Presser foot
height
Presser foot pressure (Reference)
S type H type
0 0 mm
Approx. 10 N (1 kg) Approx. 30 N (3 kg)
-350 Approx. 4 mm
*1 The presser foot height 0 mm means the state the sole of presser foot comes in contact with the top surface
of throat plate.
*2 The presser foot pressure becomes constant by inputting a negative value on the panel.
*3 The presser foot pressure varies when the presser foot or the throat plate is changed.
*4 Range of input values on the panel is from -350 to 200.
❷ ❸
❶ A
If the power to the sewing machine is turned ON while the material, etc. is placed under the
presser foot, the presser stepping motor will generate a specific sound during origin retrieval.
It should be noted that this phenomenon is not a fault.