Thompson Walking Foot Sewing Machine Manual

The Thompson Walking Foot Sewing Machine is a heavy-duty industrial sewing machine designed for thick materials like leather, canvas, denim, and upholstery fabrics. It features a walking foot mechanism that feeds multiple layers evenly, adjustable presser foot pressure, reverse stitching capability, variable speed control, built-in thread cutter, drop feed for free-motion sewing, and multiple needle positions. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Walking foot mechanism, Reverse stitch lever, Stitch length dial, Thread tension dial, Presser foot pressure adjustment, Bobbin winder, Built-in light, Foot pedal control.

Machine Setup

Unpack and inspect all components. Place on stable work surface.

1. Assemble machine head: Attach to table or cabinet using provided screws.
2. Install foot pedal: Connect to machine port and place on floor.
3. Connect power: Plug into 120V AC outlet.
4. Install needle: Loosen needle clamp, insert needle with flat side to back, tighten.
5. Oil machine: Apply sewing machine oil to designated points before first use.

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

First-Time Operation

Power on machine; test basic functions.

1. Thread machine: Follow threading diagram from spool to needle.
2. Wind bobbin: Place empty bobbin on winder, thread through tension disc, press pedal.
3. Insert bobbin: Drop bobbin into case with thread pulling counterclockwise.
4. Test stitch: Use scrap fabric to test stitch quality and tension.
5. Adjust settings: Set stitch length and tension for your project material.

CAUTION! Keep fingers away from needle area during operation. Always turn off when threading or changing needle.

Specifications

• Machine Type: Walking Foot Industrial Sewing Machine
• Stitch Type: Single needle lockstitch
• Maximum Speed: 1500 stitches per minute
• Stitch Length: 0-6mm adjustable
• Needle System: 135x17 industrial needles
• Presser Foot Lift: 10mm maximum height
• Throat Space: 8 inches working area
• Motor: 120V AC, 0.5 HP industrial servo motor
• Weight: 45 lbs (machine head only)
• Dimensions: 18" x 8" x 12" (machine head)

Controls and Settings

Main controls located on machine head and faceplate.

Front Panel: Stitch length dial, Reverse stitch lever, Thread tension dial, Bobbin winder, Hand wheel.

Side Controls: Presser foot pressure adjustment, Drop feed lever, Light switch.

Stitch Length: 0-6mm dial adjustment. Thread Tension: Top tension dial (0-9), bobbin tension screw. Presser Foot Pressure: Spring-loaded adjustment for material thickness. Reverse: Lever for back-tacking. Bobbin Winder: Automatic stop when full. Hand Wheel: Manual control for precise needle positioning.

Threading and Bobbin

Proper threading is essential for quality stitching.

1. Top threading: Follow numbered guides from spool pin to needle.
2. Bobbin winding: Place spool on pin, thread through tension disc, wrap around bobbin.
3. Bobbin insertion: Open slide plate, drop in bobbin with thread pulling clockwise.
4. Bring up bobbin thread: Hold top thread, turn hand wheel to catch bobbin thread.
5. Thread tension: Adjust for balanced stitch (equal top and bottom thread tension).

Tip: Always use same thread type in top and bobbin for best results.

Stitch Selection

Designed for straight stitching with walking foot advantage.

1. Basic straight stitch: Set stitch length 2.5-3.5mm for medium fabrics.
2. Reinforced seams: Use reverse stitch at beginning and end.
3. Heavy materials: Increase stitch length to 4-6mm for leather or canvas.
4. Light fabrics: Decrease stitch length to 1.5-2.5mm for delicate materials.
5. Free-motion: Drop feed dogs for quilting or decorative stitching.
6. Multiple layers: Walking foot handles up to 1/2 inch thickness.

WARNING! Do not force thick materials; use appropriate needle size and reduce speed.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

1. Daily: Brush out lint from bobbin area and feed dogs.
2. Weekly: Oil machine according to lubrication chart.
3. Monthly: Check belt tension and motor brushes.
4. As needed: Replace needle after 8 hours of sewing or when dull.

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

Accessories

Standard accessories included with machine.

Safety Information

FCC Part 15: Class B digital device; complies with electrical safety standards. UL Listed for household and commercial use. Copyright © 2025 Thompson Sewing Equipment; all rights reserved. For support, visit www.thompsonsewing.com or contact 1-800-555-SEWING.

1. Always disconnect power when changing needles or cleaning.
2. Keep fingers away from moving parts and needle area.
3. Use proper lighting to see work area clearly.
4. Do not operate with damaged cord or plug.
5. Keep long hair and loose clothing secured.

Troubleshooting

Service: 1-800-555-SEWING; www.thompsonsewing.com