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Duerkopp Adler 269 User Manual

Duerkopp Adler 269
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269
Spezialnähmaschine
Serviceanleitung
Instructions for service
Instructions de Service
Instrucciones de servico
Istruzioni per meccanici
Postfach 17 03 51, D-33703 Bielefeld Potsdamer Straße 190, D-33719 Bielefeld
Telefon (05 21) 9 25- 00 Telefax (05 21) 9 25 24 35
Ausg./Edition: 01/87 Printed in Federal Republic of Germany Teile-Nr./Part.-No.: 0791 269651 KA
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GB
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Duerkopp Adler 269 Specifications

General IconGeneral
BrandDuerkopp Adler
Model269
CategorySewing Machine
LanguageEnglish

Summary

General Safety Instructions

Technical Data

Adjusting the Sewing Machine

Lower Feed Adjustment

Adjusts the vertical stroke and thrust movement of the feed-dog for optimal operation.

Feed-Dog Location and Timing

Ensures correct lateral, directional positioning and stroke timing of the feed-dog.

Thrust Stroke Timing

Ensures no movement of needle bar and feed-dog when stitch regulating lever is operated.

Loop Catching Adjustments

Centering Needle Bar

Ensures the needle enters the stitch hole centrally when set to stitch length 0.

Timing of Loop Catching

Sets the hook point to the middle of the needle at the correct looping stroke distance.

Needle Bar Height and Clearance

Aligns hook point with needle groove and sets hook-needle clearance.

Hook Guard

Ensures the needle rests against the hook guard without deflection at looping stroke.

Bobbin Case Opener and Presser Foot Stroke

Duration of Bobbin Case Opening

Adjusts the finger to open the bobbin case to the thickness of the thread.

Maximum Presser Foot Stroke

Covers adjustments for handlever, knee lever, and pneumatic FLP presser foot lifting.

Upper Feed Adjustments

Needle Transport and Alternating Feed

Synchronizes feed components and adjusts stroke length for alternating feed.

Feed Foot Stroke Timing and Height

Synchronizes feed foot with needle bar and adjusts stroke height for material thickness.

Safety Clutch and Thread Pulling Spring

Re-engaging and Adjusting the Safety Clutch

Procedures for re-engaging and setting the torque value of the safety clutch.

Thread Pulling Spring Tension and Reflexion

Adjusts spring tension for smooth operation and correct positioning relative to the needle.

Position Maker Adjustments

Position Maker: 1st Position

Sets the hook stop position 4-8 mm after the looping stroke.

Position Maker: 2nd Position

Sets the needle-up position for the machine's stop.

Additional Equipment Adjustments

Pneumatic Foot Lifting (FLP)

Instructions for adjusting the presser foot stroke for pneumatic lifting.

Pneumatic Back Tacking (RAP)

Details function, damping, and stitch length for pneumatic back tacking.

Stroke Quick Adjustment (HP)

Limits pullrod travel and reduces speed for HP function to prevent damage.

Service and Maintenance

Lubricating Oil Specifications

Specifies viscosity and flashpoint for approved lubricating oils.

Pneumatic Oil Specifications

Specifies viscosity and flashpoint for approved pneumatic oils.

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