19. 設定送布齒高度
19-1 安裝送布齒
主送布齒差動送布齒是分別由螺絲及
來固定的。
先將後導針器推向最後方，輕輕鎖緊螺絲。
19. Height of feed dog
19-1 Installation:
Fix the differential feed dog and the main
feed dog with the screws and
respectively.
Set the needle guard(rear) on the main feed
dog and tighten it at the most rear position
with the screw slightly.
Note: See “section 18 Needle guard(rear)”to adjust it.
19-2 設定送布齒高度標準設定位置
送布齒運行到行程的最高點，如右圖，
其主送布齒的 A 點浮出針板面 1.2~1.5mm。
副送布齒則順著主送布齒的齒面斜度平順的安裝，
必要做齒面高度微調時，可放鬆固定螺絲，
旋轉偏心梢來升降送布齒的齒面高度。
19-2 Setting the standard height of
feed dogs
Setting the height from the top of the stitch
plate to the tip of teeth of the main feed
dog ○
A
to 1.2–1.5mm when the feed dog is at its
highest position.
Align the differential feed dog evenly with the
main feed dog.
Make micro - adjustment of height of the main
feed dogs, and the differential feed dogs with
the feed bar eccentric pin, near the center
of the cylinder bed.
Loosen the screw and move the pin to adjust it.
To raise the feed dog, turn the pin clockwise.
To lower the feed dog, turn the pin counter-clockwise.
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