JUKI DDL-9000C-S Series Engineer's Manual page 45

3) Pitch motor adjustment
* The pitch motor adjustment is helpful to adjust the origin of a horizontal motor that controls the horizon-
tal feed motion.
3)-1. DDL-9000C-S
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3)-2. DDL-9000F-S
⇒ When you have performed the inching operation (200 rotations) again after correction, confirm that the
feed amount is zero. (This is a repeated operation.)
(Caution) When you have replaced the horizontal feed motor because of a trouble and the like, the
motor itself does not recognize its origin. Be sure to enter "11 Check program" while
pressing the
* When the origin is deviating largely such as after replacement of a motor, fix a horizontal
feed motor link at approximately 90 degrees by hand. Then, turn a handwheel by hand,
make sure of the position where that paper is not fed, and operate it.
When you turn on the sewing machine and get into the feed motion in the state of zeroed
feed amount and with the inching operation, make an adjustment of the origin again in
accordance with the above procedure 1.
Adjustment Procedure
1. Just like the 1. of 1)-1, open the check program
❶
2. After pressing the
3. Confirmation of a horizontal feed motor link
❺
❷
4. Turn on the sewing machine again and set the
❺
❾
* The feed (amount) is not a zero, perform opera-
1. Just like the 1. of 1)-2, open the check program
2. After pressing the "Pitch motor adjustment key"
3. Confirmation of a horizontal feed motor link
❷
❶

❾ (S type) or ❶ (F type), and turn on the sewing machine.
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list screen.
Pitch motor adjustment," press the
display the Presser motor adjustment screen.
* When the horizontal feed motor link is po-
sitioned at 90 degrees, the horizontal feed
amount is zeroed.
Correct the feed amount by one pulse by pressing
❷ according to the feed direction.
the
pitch to 0.0mm, and make sure that the feed
(amount) is a zero when the sewing machine
runs at low speed.
tion again from ①.
list screen.
to display the Pitch motor adjustment screen.
* When the horizontal feed motor link is po-
sitioned at 90 degrees, the horizontal feed
amount is zeroed.
Correct the feed amount by one pulse by pressing
❷ according to the feed direction.
the
❶ to select the "03
❺ to