JUKI 1900 Bar tacking sewing machine Auto thread trimmer device installation instruction

JUKI 1900  sewing machine Auto thread trimmer device

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Installation instruction

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➊:Remove the original support plate, needle  plate and presser foot

➋:Remove the front plastic housing of the machine

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➌:Install the thread suction pipe on the knife set ,Assemble the knife on the sewing machine, paying attention to the link of the blade of the cutter needle and thread.

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➍:Install scissors control, solenoid valve, integrated bag and air water separator on the table

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➎:Install light eye switch, proximity switch.  Plug it in.  Turn on the sewing machine and controller.  Adjust the position of the proximity switch so that the red indicator light will light up when the press foot of the machine is lifted.  The red indicator light goes out when the pressure foot is down. 

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➏:Plug in the air pipe and controller cables

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➐:Adjust the Angle of eye opening.  The light eye can receive the reflected light of the red spot on the needle plate, and the green light will turn on.  When the cloth blocks the red spot on the needle board, the red light and green light are on at the same time, and the suction line braid tube begins to suck wind.  Cloth removed to stop sucking wind, light eye green light.   

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Note: “L” is normally open NO, “D” is normally closed NC.  The “D” gear on our knife device is usually closed.

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➑:Install the presser foot and support plate, pay attention to the front of the support plate hole and the front of the presser foot alignment.

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➒:Copy the pattern to the machine (if LK-1900A-SS model, open the electronic control cover) and plug in the memory card.  Insert the card in the direction of the arrow in the red box, and face up to the notch.  For other models, use a USB flash drive. 


Post time: Oct-20-2022