Dürkopp Adler 1120-5 Service Instructions

Dürkopp Adler 1120-5 Sewing Machine manual cover

Pages 33

Year 2002

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Dürkopp Adler 1120-5 Sewing Machine Specification

The Dürkopp Adler 1120-5 Sewing Machine is a high-performance, industrial-grade sewing machine designed for precision and efficiency in garment production. It features a robust build, engineered to handle a variety of fabrics including light to medium-heavy materials, making it versatile for different sewing applications. The machine is equipped with a direct drive system that ensures energy-efficient operation and reduces noise and vibration, enhancing the working environment.

The 1120-5 model incorporates an advanced control panel that allows for easy adjustment of sewing parameters, offering a high degree of customization to meet specific sewing needs. It supports a maximum sewing speed of up to 5,000 stitches per minute, optimizing productivity for large-scale manufacturing processes. The machine's needle thread tension and stitch length can be precisely adjusted, ensuring consistent stitch quality and accuracy.

Integrated with automatic features such as thread trimming, foot lift, and backtacking, the Dürkopp Adler 1120-5 minimizes manual interventions, thereby reducing operator fatigue and improving overall efficiency. The machine's design focuses on user-friendly operation, with an ergonomic layout that simplifies maintenance and threading.

Durability is a key aspect of the 1120-5, with high-quality components that ensure long-term reliability and minimal downtime. The sewing machine also includes safety mechanisms to protect both the operator and the machine itself. Suitable for various applications in the textile industry, the Dürkopp Adler 1120-5 stands out for its precision, speed, and adaptability, making it a valuable asset in modern garment manufacturing environments.

Dürkopp Adler 1120-5 Sewing Machine F.A.Q.

How do I thread the Dürkopp Adler 1120-5 sewing machine correctly?

To thread the Dürkopp Adler 1120-5, start by raising the presser foot and turning the handwheel to raise the needle. Place the spool on the spool pin and guide the thread through the upper thread guide. Continue threading through the tension discs, the take-up lever, and finally through the needle. Ensure the thread is securely placed in each guide to prevent skipping stitches.

What should I do if the needle keeps breaking on my 1120-5 sewing machine?

Check if the needle is correctly installed and not bent. Ensure you're using the appropriate needle type and size for the fabric. Re-examine the threading path for any tangles and adjust the thread tension. If the presser foot pressure is too high, reduce it accordingly.

How can I adjust the thread tension on the Dürkopp Adler 1120-5?

To adjust the thread tension, locate the tension dial on the machine's front. For tighter tension, turn the dial clockwise; for looser tension, turn it counterclockwise. Test your adjustments on a scrap piece of fabric to ensure balanced stitches.

Why is my sewing machine skipping stitches?

Skipping stitches can result from several issues: a dull or incorrectly installed needle, improper threading, or incorrect tension settings. Ensure the needle is sharp and suitable for your fabric. Re-thread the machine and adjust the tension as needed.

How often should I clean and lubricate the Dürkopp Adler 1120-5 sewing machine?

Regular cleaning and lubrication should be performed after every 10 hours of use. Remove lint and dust from the feed dogs, bobbin area, and needle plate. Apply a drop of sewing machine oil to the specified points indicated in the manual.

My fabric is getting puckered. How can I fix this on the 1120-5?

Puckering can be caused by incorrect tension settings or improper presser foot pressure. Reduce the upper thread tension and ensure the presser foot pressure is appropriate for the fabric thickness. Use a finer needle and adjust the stitch length if necessary.

What maintenance steps should be taken if the machine is making unusual noises?

Unusual noises may indicate a need for cleaning and lubrication, or potential part misalignment. Turn off the machine and unplug it. Clean the machine thoroughly, focusing on the bobbin area and feed dogs. Lubricate as directed by the manual. If noise persists, consult a professional technician.

How do I change the sewing foot on the Dürkopp Adler 1120-5?

To change the sewing foot, raise the needle and presser foot. Loosen the screw on the presser foot holder using a screwdriver. Remove the current foot and align the new foot with the holder. Tighten the screw securely to ensure proper installation.

What should I do if the bobbin thread is not picking up?

Ensure the bobbin is correctly installed and the machine is threaded properly. Check that the needle is not bent and is inserted correctly. Re-thread both the upper and bobbin threads, ensuring they are securely placed in their respective guides.

How can I ensure consistent stitch quality on the 1120-5 sewing machine?

Regularly clean and maintain the machine to prevent lint build-up. Use the correct needle and thread for your fabric type. Adjust thread tension and presser foot pressure for the material you're sewing. Test on scrap fabric before starting your project to ensure settings are correct.