Dürkopp Adler 975-1-5 Programming Instructions
![Dürkopp Adler 975-1-5 Sewing Machine manual cover](/images/ScxqIdKACMOdliRxBrtTcnYQ/thumbs/thumb175x175.webp)
To thread the Dürkopp Adler 975-1-5 sewing machine, start by raising the presser foot and turning the handwheel to raise the needle to its highest position. Follow the threading path as indicated on the machine, ensuring the thread passes through the tension discs, take-up lever, and needle bar thread guide before threading the needle from front to back.
Frequent needle breaks can be caused by using the wrong needle size or type for your fabric. Ensure you use the correct needle and check for bent or improperly inserted needles. Additionally, verify that the needle is inserted with the flat side facing the correct direction and that the needle clamp is securely tightened.
To adjust the tension on the Dürkopp Adler 975-1-5, use the tension dial located on the front of the machine. Turn the dial clockwise to increase tension and counterclockwise to decrease it. Test on a scrap piece of fabric to ensure the top and bottom stitches are balanced.
Regular maintenance for the Dürkopp Adler 975-1-5 includes cleaning the machine after every project, oiling it according to the manual's guidelines, and checking for any loose screws or parts monthly. An annual professional servicing is also recommended to ensure optimal performance.
Skipped stitches can be due to a dull or damaged needle, improper threading, or incorrect needle size. Replace the needle, rethread the machine, and ensure the needle size matches the fabric type. Also, check for any build-up of lint or dust in the bobbin area that may obstruct smooth operation.
Unusual noises may result from a lack of lubrication, loose screws, or debris in the machine's moving parts. Ensure the machine is properly oiled, tighten any loose components, and clean out any lint or thread fragments from the bobbin case and feed dogs.
To change the presser foot, raise the presser foot lever and needle to their highest positions. Loosen the presser foot screw using a screwdriver, remove the current foot, and position the new presser foot under the foot holder. Tighten the screw to secure the new foot in place.
If the fabric is not feeding properly, check the feed dog position to ensure they are engaged and not lowered for free-motion sewing. Also, inspect the presser foot pressure and adjust it if necessary to accommodate the fabric thickness. Clean any lint or debris that may obstruct the feed dogs.
Prevent thread jams by ensuring the bobbin is wound evenly and inserted correctly, following the machine's guide for bobbin placement. Rethread the upper thread to ensure proper tension and threading path. Regular cleaning of the bobbin case and surrounding areas will also reduce the risk of jamming.
To calibrate the stitch length, locate the stitch length dial or lever on your machine. Adjust it to the desired stitch length setting according to your project's requirements. Test on a fabric scrap to verify the stitch length, making further adjustments if necessary.