Adler 87 Sewing Machine Manual

The Adler 87 is a classic industrial sewing machine designed for heavy-duty applications, featuring straight stitch capability, automatic lubrication system, high-speed operation up to 4500 stitches per minute, reverse stitching function, adjustable stitch length, built-in thread cutter, knee lift mechanism, and motorized operation. Suitable for leather, canvas, denim, and other heavy materials. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Power 7. Basic Operation 8. Maintenance 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Heavy-duty frame, industrial motor, automatic oiler system, reverse lever, stitch length regulator, thread tension dial, bobbin winder, knee lift bar.

Feature	Description
Stitch Type	Straight stitch only
Maximum Speed	4500 stitches per minute
Stitch Length	Adjustable 1-6mm
Presser Foot Lift	Manual and knee-operated
Needle System	134-135 industrial needles
Bobbin Type	Rotating hook system
Lubrication	Automatic oil circulation
Motor Power	550W industrial motor
Reverse Stitch	Lever-activated reverse
Thread Tension	Upper and lower tension control

Installation

Unpack and inspect contents. Place on stable industrial table.

Position machine: Ensure stable mounting on industrial table with proper clearance.
Install motor: Attach motor bracket securely, connect drive belt with proper tension.
Connect power: Wire according to local electrical codes (220V/380V options).
Oil system: Fill oil reservoir with recommended sewing machine oil.

WARNING! Machine is heavy; use proper lifting equipment. Ensure all fasteners are tight.

First-Time Setup

Power on machine; perform initial setup procedures.

Thread machine: Follow threading diagram for upper and lower threading.
Set stitch length: Adjust to medium setting (3mm) for initial testing.
Adjust tension: Set balanced tension using test fabric.
Test operation: Run machine without load to check oil circulation.
Install needle: Use correct needle type and ensure proper orientation.

CAUTION! Keep fingers away from needle area during operation. Always disconnect power for maintenance.

Specifications

Machine Type: Industrial straight stitch
Stitch Speed: Up to 4500 SPM
Stitch Length: 1-6mm adjustable
Presser Foot Lift: 12mm maximum
Needle System: 134-135
Bobbin: Rotating hook, Class 15 bobbins
Motor: 550W clutch motor
Power Requirements: 220V/380V, 50/60Hz
Machine Weight: 45kg
Dimensions: 450mm x 220mm x 380mm

Controls and Settings

Main controls: Hand wheel, reverse lever, stitch length dial, thread tension dial, presser foot lever, knee lift.

Operation: Start/stop via foot pedal, speed control through pedal pressure, reverse stitching for seam locking, stitch length adjustment for material thickness.

Tension: Upper tension dial (0-9), lower tension via bobbin case screw. Needle: Replace when dull or damaged. Presser Foot: Change for different materials. Lubrication: Automatic system with manual override.

Connecting Power

Electrical connection: 3-phase or single-phase options available.

Turn off main power before connecting.
Connect motor wires according to voltage selection.
Ground machine properly to prevent electrical shock.
Connect foot pedal controller.
Test operation at low speed first.

Tip: Always use circuit breaker for protection. Consult electrician for proper installation.

Basic Operation

Supports various heavy materials including leather, canvas, and multiple fabric layers.

Power on: Ensure main switch is on.
Position material: Lower presser foot onto fabric.
Start sewing: Press foot pedal gently to begin.
Control speed: Foot pedal pressure determines sewing speed.
Reverse stitch: Engage reverse lever at start and end of seams.
Thread cutter: Use built-in cutter after completing seam.
Knee lift: Use knee bar to raise presser foot when repositioning material.

WARNING! Never place hands near moving needle. Always use proper safety equipment.

Maintenance

Daily: Clean lint and dust, check oil level. Weekly: Clean bobbin area, check needle condition. Monthly: Complete oil system check, belt tension adjustment.

Care & Cleaning

Disconnect power before cleaning. Use compressed air for lint removal. Wipe exterior with dry cloth.

CAUTION! Use only recommended sewing machine oil. Do not use compressed air near oil ports.

Regulatory Information

CE certified for industrial use. Complies with European machinery directives. Copyright © Adler Industrial Sewing Machines. All safety standards met for industrial sewing equipment. For technical support, contact authorized Adler service centers or visit www.adler-industrial.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect tension/needle	Check tension settings; replace needle; verify thread quality.
Skip stitches	Wrong needle type/timing	Use correct needle system; check hook timing adjustment.
Machine jams	Thread buildup/lubrication	Clean bobbin area; check oil level; remove tangled thread.
Uneven stitches	Tension imbalance	Balance upper and lower tension; check feed dog operation.
Motor not running	Power/pedal issues	Check power connection; test foot pedal; verify motor brushes.
Oil leaks	Overfilled/seals	Check oil level; inspect seals; clean excess oil.

Service: Contact authorized Adler service technician for timing adjustments and major repairs.

Support: www.adler-industrial.com or regional service centers