Singer Concerto 9240 Instruction Manual
![Singer Concerto 9240 manual cover](/images/79f6d8fe14fd02a467d46f97/thumbs/thumb175x175.webp)
To thread the Singer Concerto 9240, start by raising the presser foot and turning the handwheel to raise the needle. Place the spool on the spool pin, guide the thread through the thread guide, down the right channel, and back up the left channel. Thread the take-up lever, then guide the thread down and through the needle.
If the needle breaks frequently, check that the needle is correctly installed and is the right size and type for the fabric. Ensure the needle is not bent and that the machine is threaded properly. Also, verify the tension settings and adjust if necessary.
Regular maintenance involves unplugging the machine, removing lint and dust with a small brush, and oiling the designated points as per the manual. Avoid using compressed air, which can push debris further into the machine.
If the fabric isn't feeding smoothly, check if the feed dogs are raised. Ensure the stitch length is not set to zero, and clean any lint or debris from the feed dogs area.
To adjust the tension, use the tension dial located on the front of the machine. A standard setting is around 4, but it may need adjustment depending on the fabric and thread. Test on scrap fabric to find the optimal setting.
Unusual noises may indicate a need for cleaning or oiling. Check for tangled threads, re-thread the machine, and inspect the bobbin area for obstructions. If the noise persists, consult a professional technician.
Yes, the Singer Concerto 9240 can sew heavy fabrics like denim. Use a needle suitable for thick materials, such as a size 16/100 or 18/110, and adjust the presser foot pressure if necessary.
To change the presser foot, raise the presser foot lever and needle, press the lever behind the presser foot holder to release the foot, and attach the new foot by aligning it with the holder and lowering the presser foot lever.
Uneven stitching or skipped stitches can occur if the needle is dull or bent, the machine is improperly threaded, or the tension is incorrect. Check and replace the needle if necessary, re-thread the machine, and adjust the tension settings.
If the machine won't start, ensure it's plugged in and the power switch is on. Check if the foot pedal is properly connected. If the machine still doesn’t start, inspect the power cord for damage and consider contacting a service center.