JUKI LK-1850 Industrial Sewing Machine Instruction Manual

About this manual

This manual provides step-by-step instructions for installing, operating, and maintaining the JUKI LK-1850 industrial sewing machine. It includes safety cautions, belt and pulley installation, lubrication procedures, threading techniques, and bobbin winding. The guide also details needle and material compatibility, with specific recommendations for synthetic fibers and heavy materials. Users are instructed to read the manual carefully before operation and to keep it for reference.

What's inside

• CAUTIONS BEFORE OPERATION
• INSTALLING THE MOTOR
• INSTALLING THE THREAD STAND
• REMOVING THE BELT COVER
• RAISING THE MACHINE HEAD
• ATTACHING THE IDLER PULLEY
• MOTOR PULLEYS AND BELTS
• ATTACHING THE CHAIN
• LUBRICATION
• OPERATING THE SEWING MACHINE

Frequently asked questions

What type of V belts are used for this sewing machine?

This model uses M-type V belts, with one belt for high-speed sewing and another for low-speed sewing.

How much thread should be left on the needle after threading?

You should leave approximately 4cm of thread on the needle.

How many turns should the bobbin winder make before stopping automatically?

The winder will automatically stop after winding four or five turns.