JUKI MF-7900 Series High-Speed Cylinder-Bed Coverstitch Machine Instruction Manual

About this manual

This document is the English instruction manual for the JUKI MF-7900 series high-speed, cylinder-bed coverstitch machine. It provides detailed specifications, including a maximum sewing speed of 6,000 stitches per minute and compatibility with specific needle gauges and stitch types.

The manual guides users through essential setup procedures, such as installing air regulators and connecting various machine head cords. It also includes step-by-step instructions for threading the machine head, adjusting the looper thread trimmer mechanism, and setting the upper stop position of the needle bar to prevent thread raveling.

What's inside

• Specifications
• Installing the Accessories
• Connecting the Cords
• Setting Procedure of the Machine Head
• Air Piping Drawing
• Threading the Machine Head
• Adjusting the Looper Thread Trimmer Mechanism
• Installing the SS Lever Unit
• Drawing of the Table
• Setting the Upper Stop Position of the Needle Bar

Specifications

Frequently asked questions

What is the maximum sewing speed of the MF-7900 series?

The maximum sewing speed is 6,000 stitches per minute at the time of intermittent operation.

Which needle gauges are compatible with the 3-needle configuration?

The machine supports 3-needle gauges of 5.6 mm and 6.4 mm.

What type of lubricating oil is recommended?

The manual recommends using JUKI GENUINE OIL 18.