How do I fix bobbin thread bunching up?

How to Fix Bobbin Thread Bunching and Other Threading Problems

Thread the Machine Properly. Re-thread the upper part of the sewing machine making sure the thread is passing through every single thread guide on its way to the needle.
Change the Needle.
Inspect the Bobbin.
Clean the Machine.

How do you thread a Kenmore sewing machine?

Winding the Bobbin Release the clutch. Place your thread on the spool pin. Draw thread through the bobbin winder tension disc. Pull the thread through the hole of the bobbin. Push the bobbin to the right. Start the machine and wind the bobbin. Cut the thread. Tighten the clutch.

How to thread a Kenmore sewing machine?

Run thread through the first hook.

Then run it down to the tension knob.

With your index finger,lightly push the wire loop upward.

Bring the thread around around the hook. Then release the wire hook.

Bring the thread back up to the lever.

Bring the thread back down to the thread clip.

Bring the thread back down the needle thread clip.

Now insert the thread into the front of the needle.

Make sure to pull the thread at least 1 inches away before sewing.

How to load a bobbin?

Raise presser foot.

Turn hand wheel toward you until the needle is in its highest position.

Open the hinged cover.

Hold the bobbin case with one hand. Insert the bobbin so that the thread runs in a clockwise direction.

Pull the thread through the slit and under the finger.

Hold the bobbin case by the hinged latch.

Insert it into the shuttle.

How do you fix bobbin tension?

Place a small screwdriver on the head of the screw on the side of the bobbin case. Turn very slightly clockwise to increase the tension on the Singer bobbin. Turn slightly counterclockwise to decrease the bobbin tension. Holding the bobbin in the case, pull the bobbin thread and feel the tension, or how tight it is coming out of the case.