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JUKI DDL-5550 User Manual

JUKI DDL-5550
36 pages
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JUKI DDL-5550 Specifications

General IconGeneral
Machine TypeIndustrial Sewing Machine
Max Sewing Speed5, 500 stitches per minute
Max Stitch Length5mm
Needle Bar Stroke30.7mm
LubricationAutomatic
Feed MechanismDrop feed
Lift of the Presser Foot5.5mm (by hand), 13mm (by knee)
TypeLockstitch
HookFull rotary hook
Stitch TypeLockstitch
NeedleDB x 1 (#11-#18)
Weight28 kg (machine head only)
MotorClutch motor or Servo motor (varies by setup)

Summary

Installation Guide

Installing the Oil Pan

Details on how to install the oil pan onto the machine table.

Machine Head Installation

Instructions for attaching the machine head to the table's hinge.

Lubrication Procedures

Information on Lubrication

Details on filling the oil pan and checking oil level and splashing.

Adjusting Oil Supply to Face Plate Parts

How to adjust oil flow to the thread take-up and needle bar crank.

Adjusting Oil Supply to the Hook

Procedure for adjusting oil supply to the hook.

Attaching the Needle

Setting the Bobbin into the Bobbin Case

Threading the Machine Head

Adjusting Stitch Length

Thread Tension Adjustments

Adjusting Needle Thread Tension

Procedure for adjusting the tension of the needle thread.

Adjusting Bobbin Thread Tension

Procedure for adjusting the tension of the bobbin thread.

Thread Take-Up Spring Adjustments

Changing Stroke of Thread Take-Up Spring

Adjusting the length of thread pulled by the thread take-up spring.

Changing Pressure of Thread Take-Up Spring

Adjusting the tension of the thread take-up spring.

Hand Lifter Operation

Presser Foot Pressure Adjustment

Feed Dog Height Adjustment

Needle-to-Hook Timing

Presser Bar Height Adjustment

Thread Take-Up Stroke Adjustment

Installing Belt Cover and Bobbin Winder

Knee Lifter Height Adjustment

Machine Specifications

Motor Pulleys and Belts

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