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Adjustment Procedure
Results of Improper Adjustment
* Figures on the graduations are indicated in the unit of mm.
1) Adjustment of forward feed stitch length
1. Turn the feed adjust dial
❶
in the direction of the arrow so that
the required gure is adjusted to the engraved marker dot
🅐
of
the arm.
2. When changing the feed graduation from high to low, turn the
feed adjust dial
❶
while pressing the feed lever
❷
in the direc-
tion of the arrow and the feed adjust stopper
❸
in the direction
of the arrow
🅑
(arm rear side).
3. When changing the feed graduation from low to high, turn the
feed adjust dial
❶
while pressing the feed adjust stopper
❸
in
the direction of the arrow
🅑
(arm rear side).
4. When the feed adjust stopper
❸
is released, the feed adjust
dial
❶
is xed .
2) Reverse feed stitch length check (manual)
1. Turn the feed adjust dial
❶
in the direction of the arrow so that
the required gure is adjusted to the engraved marker dot
🅐
of
the arm.
2. Reverse feed takes place when the feed lever
❷
is pressed.
The status that the lever is pressed at the maximum corre-
sponds to the graduation value of the feed adjust dial
❶
.
3)
Reverse feed stitch length check (electrically-operated)
1. When the switch
❹
is pressed, the sewing machine assumes
the condition of reverse feed. When this switch is released, the
condition of forward feed is promptly recovered.
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