Jack A2 Industrial Sewing Machine | Used | Integrated Auto-Trimmer & Direct Drive

Description

The Jack A2 is a semi-automatic industrial lockstitch machine designed to increase floor productivity through its integrated Automatic Thread Trimmer (UBT). This used unit eliminates the need for manual thread cutting, reducing labor time and thread wastage. Engineered with a built-in Direct Drive motor, the Jack A2 offers silent operation and precise needle positioning, making it a high-value upgrade for garment manufacturers looking for automation at a refurbished price point

Advantages

• High-speed straight stitching with stable output

• Energy-efficient direct drive technology

• Consistent stitch quality across long shifts

• Suitable for high-volume garment production

Machine Condition & Testing

This used Jack F4 has undergone comprehensive functional testing and inspection:

Mechanical Condition:

• Auto-Trimmer Inspection: The moving and fixed knives are checked and sharpened to ensure clean thread cuts every cycle.

• Electronic Panel Health: The digital interface is tested for pattern settings, speed adjustment, and error-free operation.

• Needle Positioning: Sensors are calibrated to ensure the needle stops consistently in the up or down position as per operator preference.

• Mechanical Bench-Test: Tested at maximum 5000 RPM to verify stability, oil circulation, and stitch formation.

• Motor Quality: Direct Drive motor inspected for heat management and silent idling.

Stitch Quality Verification:

• Tested on cotton, polyester, and blended fabrics
• Thread tension system functioning properly
• No skipped stitches or irregular formations observed
• Pattern dimensions accurate to programmed specifications
• Thread trimming clean without excessive thread tails

Installation and Setup

This machine ships ready for installation. Connect to standard 220V single-phase power supply, mount on industrial sewing table, thread the machine, and begin production.

Installation support included:

• Basic setup guidance provided
• Threading diagram supplied
• Initial adjustment recommendations
• Operational manual (if available)

FAQs

Is this machine fully tested before delivery?

Yes. We perform a specialized “cycle test” on the automatic thread trimmer to ensure it cuts cleanly 100% of the time before shipping.

Do you provide installation support?

The machine is supplied as a complete set (Head, Table, Stand). We provide video-call installation support and have technicians available for major textile clusters.

What is the condition of the motor and panel?

We guarantee that the original Jack PCB and Direct Drive motor are in perfect working condition with no previous circuit repairs.