Juki HZL 27Z Sewing Machine Manual

The Juki HZL 27Z is a versatile computerized sewing machine featuring 27 built-in stitches, automatic needle threader, one-step buttonhole, drop feed for free-motion sewing, adjustable stitch length and width, built-in LED light, top drop-in bobbin system, and multiple presser feet. Powered by 110V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Accessories 7. Basic Sewing Operations 8. Advanced Functions 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Computerized control panel, automatic needle threader, built-in LED light, top drop-in bobbin, multiple presser feet, foot pedal control.

Feature	Description
Built-in stitches	27 different stitch patterns including utility, decorative, and stretch stitches
Automatic needle threader	Easy threading with push-button mechanism
One-step buttonhole	Automatic buttonhole creation with consistent results
Drop feed	Free-motion sewing capability for quilting and darning
LED light	Bright illumination of sewing area
Top drop-in bobbin	Easy bobbin loading with clear cover
Stitch length/width control	Adjustable settings for customized sewing
Reverse stitch	Reinforce seams with reverse sewing button
Presser feet	Includes zigzag, zipper, buttonhole, and blind hem feet
Power switch	Turns machine on/off

Installation

Unpack and inspect contents. Place on stable sewing table.

Remove packaging materials and protective covers from machine.
Place machine on flat, stable surface at comfortable working height.
Connect foot pedal to machine and plug into power outlet.
Install needle and thread machine following threading diagram.
Wind and insert bobbin into bobbin case.

WARNING! Keep fingers away from needle area during operation. Always turn off power when changing needles or cleaning.

First-Time Setup

Power on machine; follow initial setup procedures.

Thread machine: Follow numbered threading path from spool to needle.
Insert bobbin: Place wound bobbin in case with thread pulling counterclockwise.
Select stitch: Use stitch selection dial to choose desired pattern.
Adjust settings: Set stitch length and width according to fabric type.
Test sew: Practice on scrap fabric before starting project.

CAUTION! Ensure proper needle installation with flat side facing back. Use correct needle type for fabric.

Specifications

Stitch Patterns: 27 built-in stitches
Stitch Length: Adjustable 0-4mm
Stitch Width: Adjustable 0-5mm
Buttonhole: One-step automatic
Needle Threader: Automatic push-button
Bobbin System: Top drop-in with clear cover
Lighting: Built-in LED
Power Source: 110V AC, 60Hz
Presser Feet: Multiple included for various applications
Warranty: 25-year limited warranty

Controls and Settings

Access functions via control panel and dials. Front Panel: Power switch, stitch selection dial, stitch length dial, stitch width dial, reverse stitch button.

Additional Controls: Automatic needle threader, bobbin winder, drop feed lever, presser foot lifter, hand wheel.

Stitch Selection: Turn dial to choose from 27 patterns. Stitch Length: Adjust from 0-4mm for different fabric types. Stitch Width: Adjust from 0-5mm for zigzag and decorative stitches. Tension: Upper thread tension dial for balanced stitches.

Connecting Accessories

Presser Feet: Snap-on system for quick changes. Foot Pedal: Controls sewing speed. Additional Attachments: Available for specialized tasks.

Turn off machine before changing accessories.
Align presser foot with mounting pin and lower lever to secure.
Ensure proper attachment before beginning to sew.
Use correct foot for specific sewing techniques.

Tip: Always raise needle to highest position before changing presser feet.

Basic Sewing Operations

Supports straight stitch, zigzag, stretch stitches, and decorative patterns.

Straight Stitch: Select stitch pattern 1, adjust length as needed.
Zigzag Stitch: Select appropriate pattern, adjust width and length.
Buttonhole: Select buttonhole pattern, follow automatic sequence.
Reverse Stitching: Press reverse button to reinforce seams.
Finishing: Raise presser foot, pull fabric back, and cut threads.
Needle Position: Use hand wheel to raise/lower needle manually.
Speed Control: Foot pedal controls sewing speed.
Thread Cutter: Built-in thread cutter on face plate.

WARNING! Never pull fabric while sewing; let feed dogs move fabric. Keep fingers away from moving needle.

Advanced Functions

Free-motion Sewing: Lower feed dogs for quilting and embroidery. Decorative Stitches: Use built-in patterns for creative projects. Button Sewing: Attach button foot for secure button attachment.

Care & Cleaning

Unplug before cleaning. Remove lint and dust regularly. Oil moving parts as recommended.

CAUTION! Use only recommended sewing machine oil. Do not use household oils. Clean bobbin area after each project.

Regulatory Information

UL Listed: Complies with safety standards for household use. Copyright © 2023 Juki Corporation; trademarks of Juki Corporation. For support, visit www.juki.com or contact 1-800-345-6835. Made in Japan.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine not running	Power connection/pedal	Check power cord; ensure foot pedal is connected properly.
Thread breaking	Tension/needle issues	Check thread path; adjust tension; replace damaged needle.
Uneven stitches	Threading/tension	Re-thread machine; clean bobbin area; adjust tension.
Fabric not feeding	Feed dogs/stitch length	Check feed dog position; increase stitch length setting.
Needle threader not working	Position/obstruction	Ensure needle is in highest position; check for thread jam.

Maintenance: Regular cleaning and oiling as per manual instructions.

Service: 1-800-345-6835; www.juki.com