JUKI DNU-1541-7 User Manual

Keystone Sewing Machine Company, Inc.
Sales, parts, or service? Call 215/922.6900 www.keysew.com info@keysew.com
833 N 2nd Street, Philadelphia, PA 19123 USA

JUKI DNU-1541-7 Specifications

General

Brand	JUKI
Model	DNU-1541-7
Category	Sewing Machine
Language	English

Summary

General Safety Instructions

Important Safety Instructions

Key safety guidelines for machine operation.

Safe Operation Guidelines

Procedures to ensure safe use of the machine.

1. Machine Installation

Machine Head and Oil Pan Installation

Installing machine head supports and oil collection.

2. Waste Oil Container Installation

Setting up the waste oil container.

4. Air Drive Unit Installation

Installing the Air Control Unit

Mounting the air control unit.

Adjusting Air Pressure

Setting Operating Air Pressure

5. Lubrication

Daily Lubrication

Applying oil to specified points daily.

Filling Oil Tank and Hook Lubrication

6. Attaching the Needle

Installing the Sewing Needle

11. Threading the Machine Head

Threading the Machine Head

13. Thread Tension

Adjusting Needle Thread Tension

Setting tension for the upper thread.

Adjusting Bobbin Thread Tension

Setting tension for the bobbin thread.

14. Thread Take-Up Spring

Changing Spring Stroke

Changing Spring Tension

17. Needle-to-Hook Relation

Adjusting Needle-to-Hook Alignment

18. Adjusting Thread Trimming

Adjusting Thread Trimming Mechanism

Adjusting Rotary Knife Position

Adjusting Knife Pressure

25. Troubleshooting Sewing Issues

Thread Breakage and Stitch Skipping

Solutions for thread issues and skipped stitches.

Stitch Quality and Thread Trimming Problems

Addressing stitch quality and thread trimming issues.