Everthing is moving freely, but its not catching the bottom thread at from the bobbin. Almost like the needle isn't going down far enough, but I checked that, changed needles, bobbins... what do i do next?
Re-timing is a possible solution but there is a couple of other possible causes. Bent needles are the first thing to check (but you said you changed needles). Another cause in this machine is wear. This machine has been around long enough for the guides for the needle shaft to have worn. You can check this by grasping the needle clamp screw and pushing it front to back. If there is more play than about half the thickness of you thread you're probably going to drop stitches. To verify this is the problem take a piece of string and loop it around the needle clamp screw and pull backwards on it while sewing. If your machine stops dropping stitches you've found your problem and need to take your machine for service.
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MY FIRST THOUGHT IS THE TIMING IS OFF A LITTLE. BEFORE SPENDING YOUR HARD EARNED MONEY FOR A REPAIRMAN TRY THESE POSSIBLE CURES:
1. TRY TO SEW WITH THE NEEDLE ALL THE WAY TO THE LEFT AND THEN TRY IT ON THE RIGHT. IF ONE OF THE TWO SEWS BETTER THAN THE OTHER YOU CAN BE ASSURED IT IS THE TIMING WHICH MEANS YOU NEED A REPAIRMAN.
2. JUST FOR GOOD HABITS DO THESE BEFORE GOING TO THE REPAIRMAN: CHANGE NEEDLE AND THOROUGHLY CLEAN THE BOBBIN AREA WITH CANNED AIR AND A QTIP TO CLEAN DIRT OUT. AFTERWARDS PLACE A DROP OF SEWING MACHINE OIL ON THE RACE THAT YOUR BOBBIN CASE FALLS IN.
3. PLACE TWO INCHES OF THREAD UNDER THE PRESSER FOOT. TURN THE HAND WHEEL TOWARDS YOURSELF AND WATCH IF THE UPPER THREAD WRAPS ON TOP OF THE BOBBIN CASE WHILE THE NEEDLE IS RISING. THE THREAD SHOULD PULL AROUND THE BOBBIN CASE WITHOUT CATCHING ON THE BRACKETS THAT HOLD THE BOBBIN CASE. IF IT DOES CATCH A LITTLE BIT YOU MAY NEED TO MOVE THE BRACKET AWAY FROM THE BOBBIN CASE ABOUT ONE PAPER WIDTH.
1. CHANGE NEEDLE.
2. ADJUST BOBBIN TENSION. MAKE SURE YOU ARE USING THE RIGHT BOBBIN FOR THE MACHINE. THE WRONG ONE WILL NOT ROTATE FREELY. HANG FROM FINGER AND BOB. SHOULD EXTEND ONE INCH WHEN ADJUSTED RIGHT.
3. ADJUST TOP TENSION. (START AT 3)4. EXTEND TWO INCHES OF THREAD FROM BOBBIN. HOLD TOP THREAD TO THE FRONT AND A LITTLE TO THE RIGHT.
5. TURN HAND WHEEL TOWARDS YOU. THE BOTTOM THREAD SHOULD COME UP FROM UNDER THE PLATE.
6. IF THE THREAD DOESN'T FEED FROM THE BOBBIN TO THE TOP OF THE PLATE THE TIMING IS OFF AND WILL NEED TO BE ADJUSTED.
sounds like u have the wrong needle or machine is out of time. if its a needle feed machine u might have the wrong bobbin case. try lowering the needle slightly. machine is easy to time. theres a mark on the needle bar which u align with the bottom of the bar guide then loosen the hook (3 screws) and move hook till it just starts to meet the needle. careful of side to side movment. bobbin case has to remain in the finger.
Your sewing machine tension
controls the rate at which the thread is fed through either the upper
section of your machine or through the bobbin case. If your upper or
bobbin threads aren't threading properly, sometimes adjusting the
tension will correct this problem.
Your sewing machine works by
passing the upper thread through the needle of the sewing machine at
precisely the same time the bobbin brings its thread to its uppermost
position. If either the needle or the bobbin thread reach these
positions too soon or too late, the threads won't interact and create
the knots that make the seam. You can throw off your timing by sewing
too many layers of fabric or hitting a pin with your needle. See you
sewing machine repair facility to correct any timing issues.
Thread can get snagged or caught
in the upper section of your machine or on lint pieces in the lower
bobbin section. If your threads aren't catching properly, you may be
able to fix it by unthreading and rethreading both your upper thread and
1. check the threading and tension of the top thread. It may look like it's threaded correctly but not be. When you pull on the thread is there some tension but still pulls out? Make sure it isn't catching somewhere on the path. Also make sure it's not too loose. If it's too loose it won't be able to pull the bobbin thread up enough.
2. check the bobbin threading and tension. Does it have some give but not reel out a ton? Is it catching? Is the bobbin in all the way - hear a click when inserting it?
3. Do you have the right needle for the machine? Is it inserted correctly? Try sewing through ordinary cotton first. Is it stitching? If so then you may not have the correct needle size for what you are trying to sew through.