Question about Sewing Machines
The bobbin cradle needs to be timed with the needle position when new cam belt is fitted! how do i do this
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Posted on Jan 02, 2017
SOURCE: Singer-Inspiration 4220/4228
Send this machine back where it came from! machine. You have described a timing problem which you can not and should not need to do.
Change the needle first and test it to be sure the needle still hits on the hook. If it does,follow the above instructions. If it no longer hits then it's possible it is not as serious as I first thought.I'm not sure if the bobbin keeps coming out or the bobbin case(the plastic part the bobbin sits in) comes out.If it is just the bobbin, insert the bobbin in the case and pull on the thread. The bobbin should turn COUNTERCLOCKWISE. If it turns the other way, turn it upside down and try it again.
If it is the bobbincase,then Remove the needle plate and take the bobbin case completely out. On this machine there is a small lever which holds the bobbin case in position. Looking down on the bobbin case the lever is located at about 11 o'clock and has a small slot in it. It is also probably spring loaded which means it is not easy to turn without a small screwdriver. Insert the screwdriver in the slot and turn it to the left. Lift out the bobbin case and Carefully examine it for any nicks, scratches or rough spots. If you find any, they will need to be removed with an emery stick and or a sharpening stone. Buff with a very fine steel wool for total smoothness.
To replace the bobbin case use the screwdriver to open and hold the lever open while you insert the case back in. The straight part of the case will be on the right and you need to place the case so that the circular part rides on the slight grove in the hook.(The metal thing it sits on). Once you have it in place you can release the lever you've been holding open . It should fit over the edge of the bobbin case and not allow it to come out. Rethread the machine and turn it by hand a few times to see that it is working properly. Good luck!!!
Posted on Jul 01, 2008
Take the bobbin case out. Then when you go to put it in, realize there are 2 ways to get it. You have found one way. The other way is first look in the the slot with a flashlight before you insert it. There is a flat piece of metal the bracket needs to be slid under as it is inserted. This acts like a spring making it tight
Posted on Mar 18, 2009
I am having a similar problem with my machine except it got much worse and now does not sew consistently. The needle is contacting the bobbin case. I found the following information about adjusting the timing and it looks like it might solve my problem- keeping my fingers crossed- maybe it will help you too.
Posted on Sep 19, 2009
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