Grain Sewing Machine Manual

The Grain Sewing Machine is a versatile household sewing device with multiple stitch patterns, adjustable speed control, built-in thread cutter, automatic needle threading, LED lighting, and easy bobbin winding system. Suitable for various fabrics including cotton, denim, silk, and synthetic materials. 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. Stitch Selection 7. Threading & Bobbin 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: Main body with stitch selection dial, Bobbin case, Presser foot, Thread tension dial, Stitch length control, Reverse stitch button, Power pedal.

Feature	Description
Stitch Selection Dial	Selects from 12 built-in stitch patterns
Automatic Needle Threader	Easy threading with push-button mechanism
LED Work Light	Illuminates sewing area for precision
Built-in Thread Cutter	Convenient thread cutting on machine side
Speed Control	Adjustable sewing speed via foot pedal
Reverse Stitch	Reinforces seam beginnings and ends
Bobbin Winding	Built-in bobbin winding system
Presser Foot Pressure	Adjustable for different fabric thickness
Free Arm	Removable extension table for cylindrical sewing
Power Input	Standard 110V AC power connection

Installation & Setup

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

Remove protective covers and packaging materials
Attach power cord to machine and wall outlet
Install needle: Loosen needle clamp screw, insert needle with flat side facing back
Attach presser foot: Lower presser foot lever, snap foot into place
Wind bobbin: Follow bobbin winding instructions
Thread machine: Follow threading diagram on machine

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

First-Time Operation

Power on machine; test basic functions.

Select straight stitch: Turn stitch selection dial to straight stitch position
Set stitch length: Adjust to medium setting (2.5-3.0)
Test on scrap fabric: Practice stitching on fabric scrap
Adjust tension: Check stitch formation and adjust tension if needed
Practice reverse stitching: Use reverse button to secure stitches

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

Specifications

Stitch Patterns: 12 built-in stitches including straight, zigzag, stretch, and decorative
Stitch Length: Adjustable 0-4mm
Stitch Width: Adjustable 0-5mm for zigzag stitches
Maximum Sewing Speed: 800 stitches per minute
Needle System: Standard HA-1 household needles
Bobbin Type: Class 15 transparent bobbin
Power Requirements: 110V AC, 60Hz
Machine Weight: 12.5 lbs (5.7 kg)
Warranty: 25-year limited warranty

Controls and Settings

Main controls located on front and side of machine.

Front Panel: Stitch selection dial, Stitch length control, Stitch width control, Reverse stitch button, Thread tension dial.

Operation: Power switch, Bobbin winder, Presser foot lever, Hand wheel, Automatic needle threader.

Stitch Settings: Straight stitch (positions 1-2), Zigzag stitch (positions 3-6), Decorative stitches (positions 7-12). Tension: Adjust for different fabrics (lower for lightweight, higher for heavyweight).

Stitch Selection

Choose appropriate stitch for your project.

Straight Stitch: Basic sewing, position 1-2
Zigzag Stitch: Seam finishing, appliqué, positions 3-6
Stretch Stitch: Knits and stretch fabrics, position 7
Blind Hem: Nearly invisible hems, position 8
Buttonhole: Automatic 4-step buttonhole, position 9
Decorative Stitches: Embellishment, positions 10-12

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

Threading & Bobbin

Proper threading ensures smooth operation.

Upper Threading: Follow numbered guide on machine
Automatic Needle Threader: Push lever down and hook thread through needle
Bobbin Winding: Place thread on spool pin, wind bobbin until 80% full
Bobbin Insertion: Open bobbin cover, insert bobbin with thread unwinding clockwise
Bring Up Bobbin Thread: Hold upper thread, turn hand wheel toward you

WARNING! Use quality thread. Poor thread causes jams and skipped stitches.

Maintenance

Regular maintenance ensures optimal performance.

Daily: Clean lint from bobbin area and feed dogs
Weekly: Oil moving parts with sewing machine oil
Monthly: Check needle for damage and replace if needed
Storage: Cover machine when not in use
Needle Replacement: Change needle after every 8 hours of sewing

CAUTION! Unplug machine before cleaning or maintenance.

Safety Information

Always follow safety guidelines to prevent injury.

Keep fingers away from moving needle
Unplug when changing needles or cleaning
Do not sew over pins
Use proper lighting
Keep hair and loose clothing away from machine
Supervise children at all times

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect tension/thread quality	Check threading; adjust tension; use quality thread
Skipped stitches	Wrong needle/damaged needle	Replace needle; ensure correct needle for fabric
Machine jams	Thread buildup/poor threading	Clean bobbin area; rethread completely
Uneven stitches	Incorrect tension/fabric feed	Adjust tension; check presser foot pressure
No power	Power cord/pedal issues	Check connections; test outlet; inspect pedal cord
Needle breaks	Wrong needle/bent needle	Use correct needle type; replace damaged needles

Service: Contact authorized service center for mechanical issues.

Support: 1-800-GRAIN-SEW • www.grainsewing.com