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JUKI LZ-2290CS User Manual

JUKI LZ-2290CS
169 pages
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LZ-2290C-S/SC-956A
INSTRUCTION MANUAL

Table of Contents

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JUKI LZ-2290CS Specifications

General IconGeneral
Max Stitch Length5 mm
Max Zigzag Width7 mm
Feed MethodDrop feed
NeedleDP×5 (#9~#18)
HookRotary hook

Summary

1. SPECIFICATIONS

1-1. Specifications of the sewing machine head

Details on the sewing machine head's model, application, speed, width, and needle.

1-2. Specifications of the control box

Technical specifications for the control box, including voltage, frequency, and environment.

2. SET UP

2-1. Drawing of table

Detailed diagram of the sewing machine table with dimensions and hole placements.

2-2. Cautions when setting up the sewing machine

Important safety and handling guidelines for machine setup, carrying, and placement.

2-3. Installation

Steps for physically installing the sewing machine head onto the table.

2-4. Removing the needle bar stopper

Procedure for safely removing the needle bar stopper for transportation.

2-5. Attaching the knee-lifter

Steps for installing and positioning the knee-lifter mechanism.

2-6. Adjusting the height of the knee lifter

How to adjust the knee lifter's presser foot lift height.

2-7. Installing the thread stand

Instructions for assembling and installing the thread stand unit.

2-8. Installing the thread guide pin

Procedure for inserting the needle thread guide pin into the machine head.

2-9. Installing the electrical box

Steps to prepare and mount the electrical control box onto the table.

2-10. Installing the reactor box (Only for the EU type models)

Guide to installing the reactor box, connecting wires, and securing it.

2-11. Connecting the power switch cable

How to mount the power switch and connect the power source cord.

2-13. Connecting the cords

Detailed steps for connecting internal and external cords to the control box PCBs.

2-14. Handling the cords

Instructions for managing and securing internal cords within the control box.

2-15. Attaching the connecting rod

Steps to attach the connecting rod to the pedal lever for operation.

2-16. Adjustment of the pedal

Adjusting the pedal angle and installing the connecting rod.

2-17. Pedal operation

Explains the four steps of pedal operation: low speed, high speed, stop, and trim.

2-18. Lubrication

Instructions for filling the oil tank and ensuring proper lubrication.

2-19. How to use the operation panel (Basic explanation)

Guide for basic operations like selecting language, keys, and starting sewing.

4. ADJUSTING THE SEWING MACHINE

4-1. Thread tension

Procedures for adjusting needle and bobbin thread tension for optimal sewing.

4-2. Thread take-up spring

Adjusting strength and amount of thread taken by the take-up spring.

4-3. Presser foot

Adjusting pressure, height, and micro-lifting mechanism of the presser foot.

4-4. Adjusting the stitch length

How to adjust the stitch length for different sewing products.

4-5. Changing the sewing speed

Guide on how to modify the sewing machine's operational speed.

4-6. LED hand light

Adjusting the intensity and color of the LED hand light.

4-7. Reverse feed stitching

Explanation of the one-touch reverse feed stitching mechanism.

4-8. Custom switch

Allocating various operations to hand and machine head switches.

4-9. Mirror stitching

How to sew patterns with mirror inversion and its settings.

4-10. Fagot stitch

Instructions for using the optional gauge for fagoting stitch.

4-11. Adjusting the amount of oil in the hook

Procedure for adjusting the oil amount in the hook for proper lubrication.

5. HOW TO USE THE OPERATION PANEL

5-1. Explanation of the sewing screen (when selecting a sewing pattern)

Overview of the sewing screen, its displays, and modes (Operator/Maintenance).

5-2. Sewing patterns

Information on registering, selecting, and managing sewing patterns.

5-2-1. Sewing pattern configuration

Elements composing a sewing pattern: start/end reverse feed and pattern function.

5-2-2. List of sewing patterns

How to view and manage the list of stored sewing patterns.

5-2-3. Reverse feed stitching (at start) pattern

How to enable and set reverse feed stitching at the beginning of sewing.

5-2-5. Editing the sewing patterns

Step-by-step guide for editing various sewing patterns.

5-3. Setting of the sewing shape

How to configure various sewing shapes like zigzag, scallop, and blind stitch.

5-4. Counter function

Explanation of Bobbin thread, Sewing, and Pitch time counters and their settings.

5-6. List of memory switch data

Table of memory switch items, their ranges, and units for system configuration.

5-7. List of errors

A table listing error codes, descriptions, causes, and items to check for troubleshooting.

6. CARE

6-1. Cleaning

Instructions for cleaning the cooling fan and hook section of the sewing machine.

6-2. Applying grease

Guidelines for applying grease to the machine's moving parts.

6-3. Replacing the fuse

Instructions for safely replacing fuses in the control box.

7. ADJUSTMENT OF THE MACHINE HEAD (APPLICATION)

7-1. Needle-to-hook relation (Hook timing adjustment mode)

How to adjust hook timing using the dedicated adjustment mode.

7-2. Adjusting height of the needle bar

Procedure for setting the correct height of the needle bar.

7-3. Adjusting the needle-to-hook timing and the needle guard

Adjusting hook timing and needle guard for proper needle-hook interaction.

7-7. Height and inclination of the feed dog

How to adjust the feed dog's height and inclination.

7-8. Grease shortage alarm

Information on grease shortage warnings, errors, and resetting procedures.

8. HOW TO USE THE OPERATION PANEL (APPLICATION)

8-1. Management of sewing patterns

Functions for managing sewing patterns, including creation, copying, and deletion.

8-2. Setting up the polygonal-shape stitching

Guide to creating and editing polygonal-shape stitching patterns.

8-3. Continuous sewing pattern

Information on combining different patterns for continuous sewing.

8-4. Cycle pattern

Function for combining multiple sewing patterns into a cycle pattern.

8-5. Custom pattern

Creating and using custom patterns with specified entry points.

8-6. Condensation custom pattern

Creating and using condensation custom patterns with specific entry points.

8-11. Key customization

How to assign functions to panel keys for customized operation.

8-12. Maintenance management function

How to register and manage maintenance warnings based on counter values.

9. SEWING SPEED TABLE

10. TROUBLES IN SEWING AND CORRECTIVE MEASURES

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