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JUKI DLN-415-2 User Manual

JUKI DLN-415-2
40 pages
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UKI
MODEL
DDL-552-2
553-2
555-2
HIGH
SPEED,
SINGLE
NEEDLE,
LOCKSTITCH
INDUSTRIAL
SEWING
MACHINE
EQUIPPED
WITH
AN
AUTOMATIC
UNDERTRIMMER
MODEL
DLN-415-2
HIGH
SPEED,
SINGLE
NEEDLE,
NEEDLE
FEED.
LOCKSTITCH
INDUSTRIAL
SEWING
MACHINE
EQUIPPED
WITH
AN
AUTOMATIC
UNDERTRIMMER
MODEL
DLU-450-2
HIGH
SPEED,
SINGLE
NEEDLE,
TOP
AND
BOTTOM
FEED
INDUSTRIAL
SEWING
MACHINE
EQUIPPED
WITH
AN
AUTOMATIC
UNDERTRIMMER
MODEL
DLD-432-2
HIGH
SPEED,
SINGLE
NEEDLE,
DIFFERENTIAL
FEED
INDUSTRIAL
SEWING
MACHINE
EQUIPPED
WITH
AN
AUTOMATIC
UNDERTRIMMER
Instruction
Book
"Qt
•JUKI
TSK
TOKYO
JOKI
INDUSTRIAL
CO.,LTO
From the library of: Superior Sewing Machine & Supply LLC

Table of Contents

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JUKI DLN-415-2 Specifications

General IconGeneral
Max Stitch Length5 mm
Needle TypeDB x 1
Presser Foot Lift (Knee)13 mm
Motor TypeServo Motor
Lubrication SystemAutomatic
TypeIndustrial Sewing Machine

Summary

How to Install the Machine

Motor Lever Switch Construction and Operation

Explains the components and adjustments of the motor lever switch for different motor types.

Connecting the Cords

Detailed instructions for connecting various electrical cords to the machine and control box.

Control Box Handling and Cautions

Provides guidance on wiring, fuse usage, ground connection, and cord handling for the control box.

Clutch Gap Adjustment

Instructions for adjusting the clutch gap to ensure proper operation and prevent damage.

How to Operate the Machine

Operation Cautions

Essential safety precautions and operating guidelines before using the sewing machine.

Pedal Operation

Explains the four-stage function of the pedal for stopping, low speed, high speed, and trimming.

Adjusting the Machine

Thread Trimming Cam Timing Adjustment

How to adjust the thread trimming cam timing for proper thread remaining length.

Moving Knife Position Adjustment

Details on adjusting the moving knife's position for correct thread scooping and avoiding interference.

Knife Blade Sharpening

Instructions on sharpening the knife blade for optimal cutting power and proper contact.

Bobbin Thread Presser Adjustment

How to adjust the bobbin thread presser for correct thread trimming and to prevent slippage.

Electrical Malfunction Troubleshooting

Troubleshooting guide for common electrical malfunctions and their corrective measures.

Malfunctions and Corrective Measures

Skipped Stitches at Start of Sewing

Troubleshooting steps for skipped stitches at the beginning of sewing.

Magnet Sound Heard, Thread Not Trimmed

Steps to take when the magnet sound is heard but thread trimming does not occur.

Machine Fails to Stop at Fixed Positions

Troubleshooting when the machine fails to stop at the designated upper or lower positions.

Needle Breakage / Unusual Bed Sound

Steps to diagnose and fix needle breakage and unusual sounds from the machine bed.

Circuit Diagram, Time Chart

Circuit Diagram

Electrical circuit diagram for specific models of JUKI sewing machines.

Time Chart

Time chart illustrating the sequence of operations and signals for specific machine models.

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