Jack JK-T781D - 5: INSTALLATION INSTRUCTIONS; 5.1 SPEED CONTROL PEDAL PULL ADJUSTMENT

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5：安装说明 INSTALLATION INSTRUCTIONS
5.1 控速器踏板拉力的调整 SPEED CONTROL PEDAL PULL ADJUSTMENT
A：前踏拉力弹簧 Front foot board tension spring
B：后踏紧度制退的调整螺丝组 Back riding the adjustment screws for tightness recoil group
C：踏板旋臂拨杆挂钩孔 Pedal spiral arm lever hook hole
∴踏板连接器有加装 VD 吸风系列装置时，建议将 A 与 C 改变安装如右图所示
Pedal connector retrofitting VD suction series device, suggest change install A and C just like
the right diagram show.
一般安装示意图
General installation
diagram
有加装 VD 吸风装置时的安装示
意图
Installation of the VD
suction wind device
installation diagram
5.2 一体化电控安装操作说明 INTEGRATE
D ELECTRONIC CONTROL INSTALLATION INSTRUCTIONS
1：机头 Machine Head
2：直驱电机 Direct-m
otor
3：电控 electronic control
From the library of: Superior Sewing Machine & Supply LLC