When set in "straight stitching position", the top thread (on back of fabric) bunches badly. In the zigzag stitching, it doesn't. HELP!
Try changing the needle--use a needle according to the fabric
being sewed
if thin fabric is being sewed try using a stablizer
rethread the machine top and bobbin--use every thread guide
make sure the bobbin is inserted correctly and turned correctly
in the bobbin case
also try adjusting the top thread tension just a little
SOURCE: bottom of stitch is bunched with alot of thread and machine jams
Try these time savers:
Test your thread quality to start, thread your machine and LIFT the presser foot (this opens the tension disks). Pull your top thread straight back. If you feel no tension no mater how much thread you pull, your thread is good. If that your machine passes that test, then let me know, we can go to step 2. If not, try different spool of thread, same test until you get a smooth pull (tip: always check your thread this way when you thread your machine)
Step 2:
Pull on your threaded bobbin thread while it’s in the machine. Does it pull smooth and even? If so, go to step 3. If not, try a new bobbin (bobbins get bent or distorted if wound too tight).
Clean thoroughly in the hook and bobbin case area and oil 1-2 drop is all.
SOURCE: Singer CG 550 Top thread keeps wraping around the bobbin and jam
Have you checked the top thread is correctly placed in the spring of the bobbin case?
SOURCE: PFAFF 362 Sewing Machine: The shift
Remove the top cover (grasp and lift straight up), spray with "Tri-Flow, liberally inside. Pay attention to the right 1/2 and behind the front dials.
In Front, each dial has a small square opening on the side, use the tube included with the "Tri-flow" to squirt lube inside them. DO NOT use WD-40.
Run the machine daily for 5-10 minutes (set the dial "C" [top front that goes up to 8] to 0 also set the dial on top of the case to 0. Move the Zig-Zag lever (upper right) from 0 to 4 and back again. Respray with Tri-flow. After a couple of days, if it is still stuck place a hair-dryer or light nearby to warm it up to skin temp.
Between the temp and the oil, it should begin working.
Break a Leg!
SOURCE: needle will not sew thread into material
Sounds like the timing is off. Take the bobbin out of the bobbin case and lower the needle into the needle plate. As the needle starts on the upswing, the hook should meet the needle just above the needle eye on most machines. If it isn't meeting at that point then your hook timing will need to be adjusted.
SOURCE: Just bought s Singer 1725. Tried a straight
"Birdnesting" occurs when there is no tension on the needle thread to pull the bobbin thread. This is easily corrected by rethreading the machine, following the threading path carefully and making sure the thread is fully engaged in the tension mechanism.
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