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5、Adjusting needle height
Firstly, adjusting the gap between the needle and the needle plate to ensure
the gap is equal. And then adjusting needle height ,when the needle run to
the highest point,the height of needle plate to left needle pinpoint is
H( Picture 7),and H parameter as follows:
标 准
standards
机型
Machine
Model
型号 Model
K4-01GB×356
K4-01GB×364
K4-02BB×356
K4-01BB×364
K4-35AC×356
K4-35AC×364
标准行程（30.8mm）
Standards(30.8mm)
左针高度H
left needle Height
7.5
7.1
7.5
7.1
9
8.6
22 / 51
高行程（33.4mm）
Height(33.4mm)
左针高度H
Left needle Hight
9
8.6
9
8.6
9
8.6
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