Key facts
- Brand
- JUKI
- Model
- LK-1850
- Documents
- 2
- Languages
- EN · JA
- Last added
- 2023-10-19
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JUKI LK-1850 Sewing Machine Instruction Manual
This manual covers essential safety instructions for operating the JUKI LK-1850 sewing machine, including the use of safety devices, proper handling of power sources, and precautions to prevent personal injury. It also details wiring requirements, motor specifications, and the correct method for installing and maintaining accessories such as the clutch motor and grease reducer.
Additional sections explain routine cleaning, periodic maintenance, and step‑by‑step procedures for greasing the reducer, adjusting tension, and troubleshooting common issues like thread breakage or needle mis‑alignment. This manual is written in Japanese.
All JUKI LK-1850 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
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.
From: JUKI LK-1850 Industrial Sewing Machine Instruction Manual
How much thread should be left on the needle after threading?
You should leave approximately 4cm of thread on the needle.
From: JUKI LK-1850 Industrial Sewing Machine Instruction Manual
How should I replace the needle safely?
Turn off the power switch and unplug the machine before removing or installing the needle or any other part.
What is the procedure to supply grease to the reducer?
Stop the machine, remove the screw, uncap the grease tube, push grease into the tube, repeat the injection, and then tighten the screw.