Usha Steel Sewing Machines Manual

The Usha Steel Sewing Machine is a reliable mechanical sewing machine featuring all-steel construction, built-in stitch patterns, reverse stitching capability, adjustable stitch length and width, built-in thread cutter, free arm design, and easy bobbin winding system. Suitable for various fabrics from lightweight to medium-weight 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 Guide 8. Maintenance & Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: All-steel body construction, built-in stitch patterns, reverse stitch lever, stitch length dial, stitch width dial, free arm, built-in light, foot pedal control.

FeatureDescription
All-steel constructionDurable metal body for long-lasting performance
Built-in stitch patternsMultiple stitch options including straight, zigzag, and decorative stitches
Reverse stitch leverFor reinforcing seams at beginning and end
Stitch length dialAdjustable from 0-4mm for different fabric types
Stitch width dialAdjustable zigzag width up to 5mm
Free arm designFor sewing cylindrical items like sleeves and cuffs
Built-in lightIlluminates sewing area for better visibility
Foot pedal controlVariable speed control for precise sewing
Built-in thread cutterConvenient thread cutting without scissors
Drop feed mechanismFor darning and free-motion sewing

Installation & Setup

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

  1. Assemble machine head: Place on table or cabinet, secure with provided screws.
  2. Install foot pedal: Connect to machine port, place on floor in comfortable position.
  3. Connect power: Plug into standard electrical outlet (220-240V).
  4. Install needle: Loosen needle clamp screw, insert needle with flat side facing back.
  5. Wind bobbin: Follow bobbin winding instructions in threading section.

WARNING! Machine is heavy; lift with care using both hands. Ensure stable surface to prevent tipping.

First-Time Operation

Before first use, complete initial setup and testing.

  1. Thread machine: Follow upper threading path from spool to needle.
  2. Insert bobbin: Place wound bobbin in bobbin case following directional arrows.
  3. Test stitches: Use scrap fabric to test straight stitch and zigzag.
  4. Adjust tension: Start with medium tension (4-5), adjust based on fabric.
  5. Practice speed control: Use foot pedal to master speed variations.

CAUTION! Keep fingers away from moving needle. Always turn off when threading or changing accessories.

Specifications

Controls and Settings

Main controls located on machine body for easy access and adjustment.

Stitch Selector: Dial to choose between different stitch patterns. Stitch Length Dial: Controls distance between stitches (0-4mm). Stitch Width Dial: Adjusts zigzag width (0-5mm). Reverse Stitch Lever: Hold down for backward stitching. Tension Dial: Adjusts upper thread tension (0-9). Hand Wheel: Manual control of needle position. Bobbin Winder: Separate mechanism for bobbin winding.

Stitch Selection

Available stitch patterns and their applications:

  1. Straight Stitch: Basic sewing, seams (position 0)
  2. Zigzag Stitch: Finishing edges, stretch fabrics (position 1-3)
  3. Blind Hem Stitch: Nearly invisible hems (position 4)
  4. Stretch Stitch: Elastic seams for knits (position 5)
  5. Decorative Stitches: Ornamental sewing (positions 6-8)

Tip: Always test stitch on scrap fabric before sewing your project.

Threading Guide

Proper threading is essential for smooth operation.

  1. Upper Threading: Place spool on pin, follow numbered path to tension discs, through take-up lever, down to needle.
  2. Bobbin Winding: Place empty bobbin on winder, guide thread through tension spring, press bobbin winder to engage.
  3. Bobbin Insertion: Open bobbin cover, place bobbin with thread unwinding counterclockwise, pull thread through slot.
  4. Needle Threading: Raise needle to highest position, thread from front to back.
  5. Bring Up Bobbin Thread: Hold upper thread, turn hand wheel toward you to catch bobbin thread.

WARNING! Always raise presser foot when threading to open tension discs.

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

  1. Daily: Brush out lint from bobbin area and feed dogs.
  2. Weekly: Oil moving parts with sewing machine oil (2-3 drops).
  3. Monthly: Clean tension discs with folded fabric or dental floss.
  4. As needed: Replace needle after 8-10 hours of sewing.
  5. Storage: Cover machine when not in use to prevent dust accumulation.

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

Regulatory Information

Complies with international safety standards for household sewing machines. Manufactured by Usha International Ltd. Copyright © Usha International. All rights reserved. For technical support and service, contact authorized Usha service centers or visit www.ushasew.com.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRe-thread completely; reduce tension; check for burrs on needle
Skipped stitchesWrong needle/damaged needleReplace needle; ensure correct needle for fabric type
Uneven stitchesIncorrect tensionAdjust tension dial; re-thread both upper and lower threads
Machine jamsThread bunching under fabricRemove fabric, cut tangled threads, clean bobbin area
Noise/vibrationLack of oil/lint buildupClean and oil machine; check for loose parts
Needle breaksWrong needle size/bent needleReplace needle; ensure needle is properly inserted
Fabric not feedingPresser foot pressure/feed dogsClean feed dogs; check presser foot pressure setting

Service: Contact authorized Usha service center for professional repairs.

Support: www.ushasew.com or customer care: 1-800-123-4567

Usha Steel Sewing Machines Manual © - All Rights Reserved 2025