Nina Sewing Machine Manual

The Nina Sewing Machine is a versatile household sewing machine designed for beginners and intermediate users, featuring multiple stitch patterns, adjustable stitch length and width, built-in needle threader, free arm capability, automatic bobbin winding, reverse stitching function, built-in LED light, and easy threading system. Powered by 110-120V AC, this compact machine is ideal for various sewing projects including garments, repairs, and crafts. Below are key sections for safety, features, setup, operation, and maintenance.

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

Features at a Glance

Key components: Main body with free arm, Stitch selection dial, Thread tension dial, Bobbin winder, Built-in LED light, Foot pedal, Power adapter, Accessory compartment.

Feature	Description
Stitch Patterns	12 built-in stitches including straight, zigzag, and decorative
Stitch Length Dial	Adjustable from 0-4mm
Stitch Width Dial	Adjustable up to 5mm for zigzag stitches
Built-in Needle Threader	Easy threading assistance
Free Arm	For sewing sleeves and cuffs
Reverse Stitch Button	For reinforcing seams
Bobbin Winder	Automatic bobbin winding system
LED Light	Built-in illumination for work area
Foot Pedal	Speed control for sewing
Accessory Compartment	Storage for presser feet and tools

Installation & Setup

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

Attach power cord: Connect power adapter to machine and plug into AC outlet.
Install foot pedal: Connect to machine port and place on floor.
Remove protective covers: Take off needle and bobbin area protectors.
Install needle: Loosen needle clamp screw, insert needle with flat side facing back.
Wind bobbin: Follow bobbin winding instructions in section 7.

WARNING! Keep fingers away from needle area during operation. Unplug when not in use.

First-Time Operation

Prepare machine for first use with practice fabric.

Power on: Plug in machine and turn on power switch.
Select basic stitch: Turn stitch dial to straight stitch position.
Thread machine: Follow upper threading guide (section 7).
Insert bobbin: Place wound bobbin in bobbin case.
Test sew: Use scrap fabric to practice stitching.
Adjust tension: Fine-tune thread tension for balanced stitches.

CAUTION! Always use correct needle for fabric type. Replace bent or dull needles immediately.

Specifications

Machine Type: Electronic Household Sewing Machine
Stitch Patterns: 12 built-in stitches
Stitch Length: 0-4mm adjustable
Stitch Width: Up to 5mm for zigzag
Speed: Up to 800 stitches per minute
Needle System: HA-1 standard domestic needles
Bobbin: Class 15 transparent bobbin
Lighting: Built-in LED work light
Power Supply: 110-120V AC, 60W
Weight: 5.5 kg (12.1 lbs)
Dimensions: 33cm x 15cm x 27cm

Controls and Settings

Main control panel located on front and side of machine.

Front Controls: Stitch selection dial, Stitch length dial, Stitch width dial, Reverse stitch button, Power switch.

Side Controls: Thread tension dial, Bobbin winder stop, Handwheel, Presser foot lever, Needle position button.

Stitch Settings: Straight stitch (1-4mm), Zigzag stitch (width 0-5mm), Decorative stitches (select via dial). Tension: Adjust from 0-9 for different fabrics. Bobbin: Automatic winding with built-in cutter.

Threading Instructions

Proper threading ensures smooth operation and quality stitches.

Upper threading: Raise presser foot and needle to highest position.
Follow numbered guides: Thread through take-up lever and tension discs.
Use needle threader: Pull lever down and hook thread through needle eye.
Bobbin winding: Place thread spool on pin, wrap thread around bobbin winder tension.
Insert bobbin: Drop bobbin into case with thread pulling counterclockwise.
Pull up bobbin thread: Hold upper thread and turn handwheel to bring up bobbin thread.

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

Stitch Selection Guide

Choose appropriate stitches for different sewing projects.

Stitch Number	Stitch Type	Recommended Use
1	Straight Stitch	Basic sewing, seams, topstitching
2	Zigzag Stitch	Stretch fabrics, finishing edges
3	3-Step Zigzag	Elastic application, decorative edges
4	Blind Hem	Nearly invisible hems
5	Buttonhole	Automatic 4-step buttonholes
6-12	Decorative	Embroidery, decorative seams

Note: Always test stitch on scrap fabric before starting project.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Daily cleaning: Brush out lint from bobbin area and feed dogs.
Monthly oiling: Apply 1-2 drops of sewing machine oil to moving parts.
Needle replacement: Change needle after every 8 hours of sewing.
Storage: Cover machine when not in use to prevent dust accumulation.
Professional service: Annual servicing recommended for heavy use.

CAUTION! Unplug machine before cleaning or maintenance. Use only sewing machine oil.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect threading/tension	Re-thread machine; reduce tension; check for burrs on needle
Skipped stitches	Dull/bent needle	Replace needle; ensure correct needle type for fabric
Uneven stitches	Tension imbalance	Adjust upper and bobbin tension; re-thread completely
Machine jams	Thread buildup	Remove bobbin case and clean; check for tangled thread
No power	Power connection	Check power cord; ensure outlet is working; check fuse
Needle hits throat plate	Incorrect needle position	Reinsert needle properly; check for bent needle

Reset: Turn power off and unplug for 5 minutes to reset electronics.

Warranty Information

Nina Sewing Machine comes with 2-year limited warranty covering manufacturing defects. Warranty does not cover damage from misuse, improper maintenance, or unauthorized repairs. Keep original receipt for warranty claims. For service, contact authorized service centers only.

Customer Support: 1-800-NINA-SEW (1-800-646-2739)

Website: www.ninasewing.com

Email: [email protected]