Siruba Sewing Machine Manuals

The Siruba sewing machine is a professional-grade sewing equipment designed for both home and industrial use. Siruba machines feature advanced stitching technology, multiple stitch patterns, automatic thread tension control, built-in needle threader, adjustable speed control, and durable construction. Below are key sections covering safety guidelines, machine features, setup instructions, operation procedures, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Operation 4. Technical Specifications 5. Controls and Settings 6. Stitch Selection Guide 7. Threading Instructions 8. Maintenance & Cleaning 9. Safety Information 10. Warranty & Support 11. Troubleshooting

Features at a Glance

Key components: Heavy-duty metal frame, built-in stitch patterns, automatic needle threader, adjustable presser foot pressure, drop feed mechanism, built-in LED lighting.

Feature	Description
Stitch Patterns	30+ built-in stitches including straight, zigzag, decorative
Speed Control	Adjustable sewing speed from 0-850 stitches per minute
Needle Threader	Automatic needle threading system
Presser Feet	Multiple interchangeable feet included
Bobbin System	Top-loading rotary bobbin with clear cover
Thread Tension	Automatic and manual tension control
Lighting	Built-in LED work area illumination
Buttonhole	One-step automatic buttonhole
Reverse Stitch	Built-in reverse stitching function
Free Arm	Convertible free arm for cylindrical sewing

Installation & Setup

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

Remove packaging materials and protective covers
Attach power cord to machine and plug into grounded outlet
Install needle following arrow direction
Wind and insert bobbin according to threading diagram
Thread upper thread through automatic threader
Adjust seat height for comfortable operation

WARNING! Machine is heavy; use proper lifting technique. Ensure stable surface to prevent tipping.

First-Time Operation

Power on machine; familiarize with basic controls.

Select straight stitch pattern using stitch selector dial
Place scrap fabric under presser foot and lower foot lever
Gently press foot pedal to begin sewing
Practice controlling speed with foot pedal pressure
Test reverse stitch function
Experiment with different stitch lengths and widths

CAUTION! Keep fingers away from moving needle. Always use proper needle guard.

Technical Specifications

Machine Type: Electronic Sewing Machine
Stitch Patterns: 30+ built-in stitches
Max Stitch Length: 5mm
Max Stitch Width: 7mm
Sewing Speed: 0-850 SPM
Needle System: HAx1 standard needles
Bobbin Type: Class 15 transparent bobbin
Power Requirements: 110V, 60Hz
Machine Weight: 15.4 lbs (7 kg)
Warranty: 25-year limited warranty

Controls and Settings

Main control panel includes stitch selector, stitch length dial, stitch width dial, reverse button, and thread tension dial.

Basic Controls: Power switch, foot pedal, stitch pattern selector, length/width adjustment, reverse stitch button, automatic needle threader.

Stitch Settings: Length (0-5mm), Width (0-7mm), Tension (0-9). Special Functions: Buttonhole mode, needle up/down position, automatic thread cutter (select models).

Stitch Selection Guide

Choose appropriate stitch for fabric type and project requirements.

Straight Stitch: Basic sewing, seams (length 2.0-2.5mm)
Zigzag Stitch: Stretch fabrics, finishing edges (width 2-5mm)
Blind Hem: Nearly invisible hems on garments
Decorative Stitches: Ornamental patterns for embellishment
Buttonhole: Automatic one-step buttonholes
Overcast: Prevents fabric fraying

Tip: Test stitches on fabric scrap before starting project.

Threading Instructions

Proper threading ensures smooth operation and prevents jams.

Raise presser foot and needle to highest position
Place spool on spindle and secure with cap
Follow numbered threading path on machine
Use automatic needle threader for easy needle threading
Pull thread under presser foot toward rear
Wind bobbin ensuring even thread distribution
Insert bobbin with thread moving counterclockwise

WARNING! Always thread with power off. Ensure proper thread path to prevent tangles.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Clean lint and dust after each project
Oil machine according to maintenance schedule
Replace needles regularly (every 8-10 hours of sewing)
Check bobbin case for lint buildup
Inspect power cord for damage
Store machine covered when not in use

CAUTION! Unplug machine before cleaning or maintenance. Use only recommended oils.

Safety Information

Follow safety guidelines to prevent injury and machine damage.

Always disconnect power when changing needles or cleaning
Keep fingers away from moving needle
Use proper lighting in work area
Do not operate with damaged power cord
Keep machine away from water and moisture
Supervise children near operating machine

Warranty & Support

Siruba sewing machines come with 25-year limited warranty covering mechanical parts. Electronic components covered for 2 years. For technical support, contact authorized Siruba service centers. Register your product online at www.siruba.com/warranty. Keep original receipt for warranty claims.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect tension/thread quality	Adjust tension; use quality thread; check needle
Skip stitches	Dull/bent needle	Replace needle; ensure proper insertion
Machine jams	Lint buildup/thread tangle	Clean bobbin area; rethread completely
Uneven stitches	Improper tension/fabric feed	Adjust tension; clean feed dogs
No power	Power connection/fuse	Check outlet; inspect power cord; reset circuit breaker
Needle breaks	Wrong needle size/fabric pull	Use correct needle; don't pull fabric

Service: Contact authorized Siruba service center for repairs. Customer support: 1-800-SIRUBA-1