Question about Singer Inspiration 4210 Mechanical Sewing Machine
When the needle shaft makes a complete resolution the needle hits the bottom of the needle plate.How do I adjust the needle shaft
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Posted on Jan 02, 2017
SOURCE: Needle hitting bobbin plate
Is the needle inserted correctly with the flat side at the rear and fully up into the holder ?
If yes, take off the needleplate, remove bobbin case and slowly rotate the handwheel towards you watching the relationship between needle, and the "hook" of the moving "race".
Set on wide zig zag........when the needle is fractionally past it's lowest point, and starting to rise, the hook should be level with the left side of the needle when on the right hand stitch of the zig...the eye of the needle will be below the hook, and ready for thread to be picked up for the stitch to form.
Any other result will mean your timing needs adjusting.
Posted on Feb 10, 2008
SOURCE: Bobbin problems
Any time you have looping on the bottom, it is almost always related to the upper tension and not anything in the bobbin area.
A good way to troubleshoot this is to turn the machine off, blow out the upper tension disk assemblies with canned air, (the machine needs to be off because most canned air uses butane as a propellant. Butane + electricity = bad;) replace your needle, and rethread your machine. Once you've threaded it to the point where you're about to put the thread through the needle, "floss" the thread forward and backward to ensure that the thread seats correctly into the tension assemblies.
Set your tension to around 4.5 for most applications, and drop your presser foot. Give the thread a gentle tug to see if the tensions have engaged the thread, then thread the needle.
If doing this does not address the problem, you probably need to have your tensions professionally calibrated. This is also true if the needle is in fact hitting something in the bobbin area. This is usually caused by the machine's timing being out of alignment, which is not something that can be fixed at home.
Posted on Sep 10, 2008
SOURCE: My needle was hitting the
The most common reason for this is that the bobbin case is inserted the wrong way. There's a slot on the bobbin case. When it's inserted into the machine this should face up. The needle comes down through this slot and picks up the thread from the bobbin. If it's put in the wrong way the needle hits against the case and cannot get through to the thread on the bobbin.
The other possibility is that the new needle doesn't fit properly. It may not be pushed fully up into the machine. Sometimes this can happen if the needle is too thick for the machine or if the screw wasn't loosened enough to allow the needle up fully.
Posted on Sep 12, 2010
I would try cleaning the area with some alcohal on a cotton swab and change needle. You may have caused a problem with your timing, I hope not because you will need it to be set again by your authorized center. I know there are directions on the internet but I would rather make sure that it is done right,and knock out your warranty. You have a nice machine.
Posted on Sep 26, 2010
SOURCE: The thread is bunching up
Your problem stems from the faulty foot lever mechanism. It's coupled to the upper thread tension control which only provides tension when the presser foot is in the locked down position.
If the presser foot won't positively engage in the down position, there's no upper thread tension and the thread bunches up below. Everything else stems from there. If the needle has hit the bobbin case too frequently then the bobbin timing may also be slightly out and the needle itself will be damaged and won't pass straight through the fabric; it only takes a tiny deflection from the vertical as it passes through the workpiece for the needle to flex and hit the bobbin case.
In summary, your machine is in desperate need of repair and adjustment. You haven't stated which exact Singer model you have, but they are usually easy to get servicing manuals for or you can take the machine to a sewing machine servicing specialist. Most singer spare parts (even for 100 year old machines) are usually still available fairly cheaply from a variety of sources, just enter "Singer spares" into your search engine to find suppliers.
To prevent re-occurrence, clean the mechanism regularly and lubricate it as directed by the manufacturer using sewing machine oil. Depending on how often you use the machine, do (or have done) a more thorough service periodically to check the timing and also that all mechanism screws remain tightly fastened.
I hope that my reply has shed some light on your problem and enables you to decide what to do next. Please take a moment to rate my answer.
Posted on Sep 30, 2010
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