JUKI MO-644DN/654DEN 2-Needle, 2/3/4-Thread Overlock Sewing Machine Instruction Manual

About this manual

This manual provides safety instructions and operational guidance for the JUKI MO-644DN and MO-654DEN overlock sewing machines. It covers threading procedures, stitch adjustments, maintenance, and troubleshooting. Safety warnings are emphasized, including precautions for needle use, electrical safety, and proper handling of the machine. The manual also includes diagrams and step-by-step instructions for assembling accessories and performing routine maintenance.

What's inside

• Safety Instructions
• Details of the Machine
• Assembling Thread Stand
• Preparing the Machine
• Threading
• 3-Thread Overlocking
• 2/3-Thread Converter
• Trial Sewing
• Roll Hemming
• Differential Feed

Specifications

Frequently asked questions

What is the operating temperature range for this machine?

The machine should be used between 5°C and 40°C to avoid malfunction or damage.

Who is allowed to use this sewing machine?

Children aged 8 years and above may use the machine if they have supervision or instruction and understand the hazards.

What is the operating temperature range for the machine?

The machine must be used in a temperature range from 5°C to 40°C.

What is the rated voltage for the LED light?

The LED light has a rated voltage of 9V.