Jones CB Model D Sewing Machine Instruction Manual

The Jones CB Model D is a classic sewing machine featuring a cast-iron body, oscillating shuttle mechanism, manual operation with hand wheel, adjustable stitch length, built-in bobbin winder, reverse stitching capability, and various presser feet attachments. Suitable for light to medium weight fabrics with standard needle system 15x1. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Cast-iron body, oscillating shuttle, hand wheel, stitch length regulator, bobbin winder, tension dial, presser foot lever.

Installation & Setup

Unpack and inspect contents. Place on stable surface.

1. Position machine: Place on sturdy table or sewing cabinet.
2. Install needle: Loosen needle clamp, insert needle with flat side to back, tighten.
3. Wind bobbin: Place empty bobbin on winder, thread through tension disc.
4. Insert bobbin: Open shuttle cover, insert bobbin with thread unwinding clockwise.
5. Thread upper path: Follow numbered guides from spool to needle.

WARNING! Machine is heavy; lift with care to avoid injury. Ensure stable placement.

First-Time Operation

Prepare machine for initial use with test fabric.

1. Thread machine: Complete both upper and lower threading.
2. Set stitch length: Adjust to medium setting (2-2.5mm).
3. Test stitch: Use scrap fabric to check tension and stitch quality.
4. Adjust tension: If stitches loop, adjust tension dial gradually.
5. Practice controls: Familiarize with hand wheel and reverse lever.

CAUTION! Keep fingers away from needle area during operation.

Specifications

• Machine Type: Manual oscillating shuttle
• Stitch Length: 0-4mm adjustable
• Needle System: 15x1 (standard domestic)
• Bobbin Type: Class 15 metal bobbins
• Presser Feet: Standard snap-on system
• Weight: Approximately 12kg
• Dimensions: 35cm x 15cm x 30cm
• Materials: Cast iron body with steel components

Controls and Adjustments

Primary controls: Hand wheel, stitch length regulator, tension dial, reverse lever.

Stitch Length: Turn regulator knob - higher numbers for longer stitches.

Tension: Adjust dial - higher numbers for tighter tension (3-5 normal range).

Presser Foot Pressure: Fixed pressure suitable for most fabrics.

Bobbin Tension: Factory set - consult manual for adjustment procedure.

Threading the Machine

Follow numbered threading path for proper operation.

1. Upper threading: Spool pin → thread guide → tension discs → take-up lever → needle.
2. Lower threading: Wind bobbin → insert in shuttle → pull thread through slot.
3. Bring up bobbin thread: Hold upper thread, turn hand wheel toward you.
4. Check threading: Both threads should move freely when pulled.

Tip: Always raise needle to highest position before threading.

Basic Sewing Operations

Fundamental sewing techniques for beginners.

1. Start sewing: Place fabric under presser foot, lower foot, turn hand wheel.
2. Straight stitch: Guide fabric gently, let feed dogs move material.
3. Reverse stitching: Engage reverse lever at beginning and end of seams.
4. Turning corners: Stop with needle in fabric, lift presser foot, pivot.
5. Finishing: Raise needle, lift presser foot, pull fabric to back, trim threads.

WARNING! Never pull fabric through machine - let feed dogs advance it.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

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: Check needle for damage, replace if bent or dull.
4. Storage: Cover machine when not in use to prevent dust accumulation.

CAUTION! Unplug or ensure machine is stationary before maintenance.

Accessories & Attachments

Standard accessories included with Jones CB Model D.

Safety Information

Important safety precautions for machine operation.

• Always turn hand wheel toward you only
• Keep fingers away from moving needle
• Disconnect power before changing needles or cleaning
• Use proper lighting when sewing
• Store machine out of reach of children
• Never sew over pins - remove them as you sew

Troubleshooting

Service: Contact authorized Jones service center for major repairs.