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JUKI DNU-1541 User Manual

JUKI DNU-1541
28 pages
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DNU-1541
DNU-1541S
DNU-1541H
No.02
40095655
NOTE : Read safety instructions carefully and understand them before using.
Retain this Instruction Manual for future reference.
INSTRUCTION MANUAL - English
Edit: Juki’s official manual contains 7
languages displayed across all 96 pages
(difficult to peruse). This manual was
created by downloading that from Juki
(March 2024) & reducing it to the english
text (now 28 pages). The original page
numbers are retained for cross reference.

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JUKI DNU-1541 Specifications

General IconGeneral
Machine TypeIndustrial Sewing Machine
Max Stitch Length9mm
Needle Bar Stroke36.5mm
Presser Foot Lift16mm (by knee), 9mm (by hand)
NeedleDP×17 (#14) #11-#18
LubricationAutomatic
Weight34kg (head only)
Stitch TypeLockstitch
Stitch Length9mm
Max Sewing Speed2, 500 stitches per minute
TypeLockstitch
ApplicationHeavy-Weight Materials
Maximum Sewing Speed2, 500 stitches per minute
BobbinLarge bobbin
MotorServo Motor (optional)
Hook TypeHorizontal-axis full-rotary double-capacity hook

Summary

Safe Sewing Machine Operation

Understanding Safety Risk Levels

Explains DANGER, WARNING, and CAUTION classifications for machine hazards.

Interpreting Warning Symbols and Labels

Details the meaning of pictorial warning indications and warning labels on the machine.

Comprehensive Safety Precautions

Electrical Danger and Precautions

Specific safety advice related to electrical hazards, classified as DANGER.

Mandatory Power-Off Operations

Lists specific tasks that require the machine's power to be turned off.

Safety During Operational Stages

Pre-Operation and During-Operation Safety

Crucial safety checks before and during machine operation to prevent injury.

Maintenance, Lubrication, and Environment Safety

Essential Safe Operation Practices

Key Safety Reminders for Machine Use

Critical advice to keep hands clear of moving parts and ensure safe operation.

Maintaining Safety Device Integrity

Emphasizes never removing safety devices like guards for continued safe operation.

Before Operation Checks and Cautions

Initial Setup and Operational Warnings

Important checks and cautions before the first operation to prevent maloperation and damage.

Sewing Machine Specifications Overview

1. Installation Procedures

2. Belt Tension Adjustment

5. Lubrication Guide

6. Needle Attachment

7. Bobbin Thread Setup

8. Bobbin Case Handling

10. Bobbin Winding Procedure

11. Machine Head Threading

Threading the Sewing Machine Head

Comprehensive guide to threading the needle and machine head components.

12. Stitch Length Adjustment

13. Thread Tension Settings

Adjusting Needle Thread Tension

How to modify the tension of the needle thread using the tension nut.

Adjusting Bobbin Thread Tension

How to adjust the tension of the bobbin thread using the tension screw.

16. Presser Foot Pressure Adjustment

17. Needle to Hook Alignment

19. Adjusting Presser & Walking Foot Lift

22. Safety Clutch Reset (DNU-1541S)

Troubleshooting Sewing Issues

Resolving Thread Breakage Problems

Common causes and solutions for thread fraying or breakage during sewing.

Correcting Stitch Skipping Errors

Causes and corrective actions for instances where stitches are skipped.

Fixing Loose Stitch Issues

Diagnosis and remedies for problems resulting in loose stitches or poor tension.

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