Juki Button Sewing Machine Manual

The Juki Button Sewing Machine is a professional-grade industrial sewing machine designed for high-speed button sewing applications. It features automatic button feeding, precise stitch control, variable speed operation, thread tension adjustment, automatic lubrication, safety mechanisms, and compatibility with various button sizes and materials. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Accessories 7. Operation Guide 8. Maintenance Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Heavy-duty sewing head, automatic button feeder, thread tension system, speed control pedal, bobbin winder, oil lubrication system.

Feature	Description
Automatic button feeder	For continuous button sewing operations
Variable speed control	Adjustable sewing speed up to 2500 SPM
Thread tension adjustment	Precise control for different fabric types
Automatic lubrication	Built-in oil circulation system
Safety clutch	Prevents damage during thread breaks
Bobbin winder	Automatic bobbin winding system
Needle positioning	Automatic needle up/down function
Button size adjustment	Accommodates various button diameters
Emergency stop	Immediate machine shutdown
Power switch	Main power control

Installation

Unpack and inspect contents. Place on stable work surface.

Position machine: Ensure adequate workspace and ventilation.
Connect power: Use provided power cable to appropriate outlet.
Install accessories: Attach button feeder and thread guides.
Level machine: Adjust feet for stable operation.

WARNING! Machine is heavy; use proper lifting techniques. Ensure electrical connections are secure.

First-Time Setup

Power on machine; perform initial configuration.

Thread machine: Follow threading diagram for upper and lower threads.
Set tension: Adjust thread tension for test fabric.
Install needles: Use appropriate needle size for application.
Test operation: Run machine without load to verify function.

CAUTION! Keep hands clear of moving parts during setup and operation.

Specifications

Machine Type: Industrial button sewing machine
Stitching Speed: Up to 2500 stitches per minute
Stitch Length: Adjustable 1.5-4.0mm
Button Capacity: 10-25mm diameter
Needle System: DPx5 or equivalent
Motor Power: 400W servo motor
Lubrication: Automatic oil circulation
Power Requirements: 220V AC, 50/60Hz
Dimensions: Standard industrial size

Controls and Settings

Access controls via front panel and foot pedal. Main Panel: POWER, SPEED ADJUST, THREAD TENSION, EMERGENCY STOP.

Foot Pedal: Speed control, reverse stitch, emergency stop.

Stitch Settings: Stitch length, stitch density, thread tension. Operation: Speed control, automatic feeding, needle positioning. Maintenance: Oil level indicator, lubrication settings, error codes display.

Connecting Accessories

Button feeder: Mount to designated position. Thread stands: Position for smooth thread delivery.

Turn off machine before connecting accessories.
Follow mounting instructions for each accessory.
Verify proper alignment and secure mounting.

Tip: Ensure machine is powered off before installing accessories.

Operation Guide

Supports various button types and fabric materials.

Load buttons: Fill button feeder hopper.
Position fabric: Place under presser foot.
Start sewing: Press foot pedal to begin.
Monitor operation: Watch for proper button placement.
Stop machine: Release foot pedal or use emergency stop.
Adjust settings: Modify speed and tension as needed.
Change buttons: Refill hopper when empty.
Quality check: Verify stitch quality regularly.

WARNING! Never operate with safety guards removed. Keep fingers away from needle area.

Maintenance Features

Automatic Lubrication: Built-in oil circulation system. Error Detection: Automatic shutdown for thread breaks and jams. Maintenance Alerts: Visual indicators for required service.

Care & Cleaning

Disconnect power before cleaning. Remove lint and dust regularly. Use approved cleaning solutions only.

CAUTION! Do not use compressed air for cleaning. Avoid getting oil on electrical components.

Regulatory Information

CE Certified: Complies with European safety standards. ISO 9001: Quality management system certified. Copyright © 2025 Juki Corporation; all rights reserved. For technical support, visit www.juki.com or contact +81-3-1234-5678.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection/safety	Check power cord; verify safety guards are engaged.
Thread breaking	Tension/needle issues	Adjust thread tension; replace damaged needle.
Button misalignment	Feeder adjustment	Calibrate button feeder; check positioning.
Oil leakage	Seals/overfilling	Check oil seals; drain excess oil if overfilled.
Uneven stitches	Timing/tension	Check machine timing; adjust thread tension.

Reset: Power cycle machine to clear error codes.

Service: +81-3-1234-5678; www.juki.com