Putting back the pieces of bobbin case on Kenmore Mini Handi
I just took the pieces of my bobbin case out to clean and oil. This is the first time I've done it and I"m not sure whether I've put it back right but the pieces don't seem as though they fit together. It clanks around when the machine is sewing & eventually the half-circle piece behind the bobbin falls out of place. Please tell me what I did wrong and how to fix it.
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Re: Putting back the pieces of bobbin case on Kenmore...
This is for front loading bobbin..........
The Shuttle hook will look very much like this, and marries this to the "half moon" of the fixed shuttle.
The retaining collar ring that holds it all together has a plate like protrusion (like bull horns), this faces to the top and to the back.......there should be a small lug (or two) with corresponding small hole or slot on the fixed housing (hook race) that locates the ring tightly in the correct position.
There should be 2 swivel arms (black plastic at 4 o'clock & 8 o'clock)) that move to hold the whole thing together by clipping onto a small lug on each side of the ring.
If you tip the machine 30 degrees on its back while you do all this, it makes the process easier, as things are less likely to fall out.........support the back with a soft object for convenience (tissue box, pillow etc)
The bobbin case goes in after the housing is assembled, if you try to do it first, it will prove more difficult.
If this is not quite accurate for your model a photo of the bits would be helpful
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It shouldn't be too tight. Clean out and remove the bobbin/bobbin case. Now, try to turn it. Does it turn any better? If it does turn easily without the bobbin case and bobbin installed you know the bobbin case was out of adjustment.
To adjust the bobbin case reinstall the bobbin case. Slightly move the hand wheel back and forth. There should only be slight movement of the bobbin case. The bobbin case is held in place by a small piece of metal next to the bobbin case.on the lower right corner. Just make the adjustment to prevent the case from movement.
The hand wheel can also be prevented from movement due to the interior parts of the machine being filled with dried greese. If you're feel safe about this you can remove the front, back, etc and inspect for buildup. Clean it up with carburetor cleaner and a qtip. Try not to douse the plastic gears with this. Clean it thoroughtly. Put sewing machine oil on all steel against steel movement. Any plastic movement should be done with a non petrolium product like silican spray. You can move the hand wheel a great deal to observe any parts that may have movement probmems.
Its a good make although I believe even they are made in china or somewhere, but sewing machines need a careful touch to run properly. If its under warranty take it to a dealer. If its not, take it to a specialist. Who may be the dealer. Best bet for long life and smooth running.
Take a look at the bottom of page 62. It has instructions for cleaning your bobbin basket (it holds the bobbin case), as well as how to get the case back in. There is a projection on your case on the lower right; that projection MUST rest against what is called (and pictured there in the bottom drawing) the cushion spring. The top of the bobbin case that goes under the needle is the only flat part. When putting in the bobbin case (mine are very similar), I have found it helpful to insert it slightly counterclockwise of the spring, making sure the case is flat in the basket, then twist it counter clockwise so that the projection is against that spring. While your case is out, be sure to CLEAN that area thoroughly with a q-tip (I put a drop of sewing machine oil on the two ends of the swab to help pick up lint), taking care to get under the lip of the bobbin basket, where a lot of lint can accumulate, and then put ONLY one drop of sewing machine oil in the hook race and the center where it is indicated in the manual. After you have replaced the bobbin case but before you have put a bobbin in it, turn your hand wheel TOWARDS YOU (ALWAYS towards you, for anything) several times to distribute the drop of oil. The race is between the outside of the basket, and the metal hook surrounding the basket, and the indicated place is the only place (with the needle all the way up) where you can get a drop between them. It's also possible that lint or other debris--like pieces of threads--are preventing the case from seating correctly.
Try these suggestions and see if they help
1. Change the needle--use a needle that's for the fabric being sewed
2. Rethread the machine--top --make sure to use every thread guide
3. try a different bobbin--make sure bobbin is inserted correctly into the bobbin case, & make sure the bobbin is turned the correct way in the bobbin case
4. make sure the thread has not come off the thread take up lever
5. Clean under the needle plate & in the bobbin area for lint or threads
6. Check to make sure the bobbin is not warped or damaged
7. Make sure the bobbin case is correctly in the machine,, if it's a top loading bobbin you may need to have the bobbin case checked to see if it's damaged or see if the hook and hook race has a problem
8. Also could be a timing problem, and the machine would need to be checked.
try changing the needle rethread the machine top & bobbin make sure to use every thread guide make sure the bobbin is not over wound make sure the bobbin is turned the right way in the bobbin case make sure the bobbin is not warped or damaged if you've done all these things then it's also possible that the machine is out of time & needs to be checked at a repair shop
Put a felt spool pin holder (an extra one comes with machine and it's either red or white felt with a circle cut out of it in the center)...remove bobbin, set felt circle in bobbin case to keep bobbin from wiggling. The back and forth motion is knocking the thread out causing it to lay flat against top of the bobbin when you start machine, but felt puts bobbin in correct position! Make sure thread falls into tension slots and carefully pull thread back to left of silver piece (stitch finger). Pull up your bobbin thread. Put in new needle since "bird nesting" or jam may have bent the one previously used. Now it should purr like a kitten...smooth sailing! This is how I fixed my Singer Heavy Duty 4423 when I realized the problem is that the bobbin case is a bit wide and felt takes up slack, raising bobbin also to keep bobbin thread moving smoothly through so it doesn't jump out of tension and rest on top of bobbin!!! Works now! Jimmy
You should have 3 pieces that make up the parts of the hook and bobbin case that you can take out to clean. 1 the bobbin case, 2 the race ring, 3 the hook. The easiest way to reinstall the hook and race ring is to tilt the machine and lay it on it's back. If you have the bobbin door open, and you rotate the handwheel and look inside the hook area, you will see the driver rotating back and forth. You want to set the hook inside the hook housing facing opposite the driver. As if your putting two halves together. Next install the race ring, shinny side out. Most of the rings have a nipple at the bottom that fits into a slot in the hook housing. Next lock the race ring in place with the 2 black or chrome arms that you swing inward. All you do next is install the bobbin case. Your done.