janome mylock 134d manual free

The Janome MyLock 134D is a professional-grade overlock sewing machine designed for creating clean, finished edges on fabrics. This 4-thread overlock machine features differential feed for handling various fabric types, built-in rolled hem capability, easy threading system, adjustable stitch length and width, and built-in knife for precise fabric trimming. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Threading Instructions 7. Stitch Types & Applications 8. Maintenance & Cleaning 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: 4-thread overlock capability, differential feed system, built-in rolled hem, color-coded threading, adjustable stitch length and width, built-in trimming knife.

Feature	Description
Differential Feed	Prevents stretching or puckering on various fabrics
Rolled Hem	Creates narrow, professional hems on lightweight fabrics
Color-coded Threading	Easy thread path identification for quick setup
Adjustable Stitch Length	1.0mm to 4.0mm range for different fabric types
Built-in Trimming Knife	Automatically trims fabric edges before stitching
Free Arm	Accessible for sewing cuffs and small circular items
LED Work Light	Illuminates sewing area for better visibility
Quick-Release Presser Foot	Easy changing for different sewing applications
Stitch Width Adjustment	3.0mm to 7.0mm for various seam finishes
Tension Dials	Individual controls for upper and lower loopers

Installation & Setup

Unpack and inspect all components. Place on stable, level surface.

Remove packaging materials and protective covers from machine.
Install presser foot: Align with shank and lower lever to secure.
Connect power: Plug power cord into machine and wall outlet.
Install needles: Use Janome Home needle system, size 11/80 or 14/90.
Wind and install bobbin: Follow color-coded threading diagram.

WARNING! Keep fingers away from knife area during operation. Always unplug when not in use.

First-Time Operation

Power on machine; test on scrap fabric first.

Thread machine: Follow color-coded guides for upper and lower loopers.
Set stitch length: Start with 2.5mm for medium weight fabrics.
Adjust differential feed: Set to "N" for normal fabrics.
Test stitch: Use scrap fabric to check tension and stitch formation.
Adjust tension: Fine-tune based on fabric type and thread weight.

CAUTION! Always start with needle in highest position. Keep work area clean and organized.

Specifications

Machine Type: 4-thread overlock with differential feed
Stitch Length: 1.0mm to 4.0mm adjustable
Stitch Width: 3.0mm to 7.0mm adjustable
Speed: Up to 1300 stitches per minute
Differential Feed Ratio: 0.7 to 2.0
Needle System: Janome Home needle system
Needles: 2 needles included, size 11/80
Power Requirements: 110V, 60Hz
Weight: 15.4 lbs (7 kg)
Dimensions: 15.7" x 11.8" x 12.6"

Controls and Settings

Main controls located on front and side panels. Front Panel: Power switch, stitch length dial, stitch width dial, differential feed dial.

Side Panel: Upper looper tension dial, lower looper tension dial, needle tension dials, rolled hem lever, presser foot pressure dial.

Stitch Length: 1.0mm (short) to 4.0mm (long). Stitch Width: 3.0mm (narrow) to 7.0mm (wide). Differential Feed: 0.7 (gathering) to 2.0 (stretching). Tension: 0-9 scale for fine adjustments. Rolled Hem: Engage lever for narrow hemming.

Threading Instructions

Follow color-coded threading path for proper operation.

Upper Looper (Blue): Thread through blue guides and tension dial.
Lower Looper (Green): Thread through green guides and tension dial.
Right Needle (Red): Thread through red guides and tension dial.
Left Needle (Yellow): Thread through yellow guides and tension dial.
Check threading: Ensure all threads are properly seated in tension disks.

Tip: Always thread with presser foot raised to open tension disks.

Stitch Types & Applications

Supports 4-thread overlock, 3-thread overlock, rolled hem, and flatlocking.

4-thread overlock: For strong seams on woven fabrics.
3-thread overlock: For lightweight fabrics and decorative edges.
Rolled hem: For narrow hems on sheer fabrics and lingerie.
Flatlocking: For decorative seams and joining stretch fabrics.
Gathering: Use differential feed >1.0 for controlled gathering.
Stretch prevention: Use differential feed <1.0 for knit fabrics.

WARNING! Always test stitch on scrap fabric before working on project.

Maintenance & Cleaning

Unplug before cleaning. Remove lint buildup regularly.

Remove needle plate: Use screwdriver to access loopers and feed dogs.
Clean lint: Use small brush to remove lint from feed dogs and loopers.
Oil machine: Apply 1-2 drops of sewing machine oil to moving parts.
Check knife: Ensure cutting blade is sharp and properly aligned.
Replace needles: Change needles after 8-10 hours of sewing.

CAUTION! Use only Janome recommended oil and accessories.

Safety Information

Always disconnect power when changing needles or cleaning. Keep fingers away from knife area. Use proper lighting. Do not operate with damaged cord. Keep machine away from water and moisture.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect tension or threading	Re-thread following color codes; adjust tension settings.
Fabric not feeding	Presser foot pressure too low	Increase presser foot pressure; clean feed dogs.
Uneven stitches	Dull needle or incorrect tension	Replace needle; balance upper and lower looper tension.
Machine jams	Lint buildup or thread caught	Clean machine thoroughly; remove tangled threads.
Knife not cutting	Dull blade or fabric too thick	Replace cutting blade; use appropriate fabric weight.
Looper thread skipping	Incorrect threading or timing	Re-thread loopers; check for proper needle insertion.

Service: Contact authorized Janome service center for timing adjustments or major repairs.

Support: Visit www.janome.com or contact customer service at 1-800-631-0183