Question about Brother XL-3510 Mechanical Sewing Machine

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Mechanical sewing machine binding

I was sewing normally when the machine started slowing down and now with great force I can move the handwheel. It seems like something is caughting or binding. I cleaned the bobbin area again but that did not help.

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Usually what we see with these machines is that the hook drive gear behind the bobbin case seizes up check here first and lubricate this area .

Posted on Jan 13, 2009

  • livin2sew Aug 06, 2011

    Check and make sure there is no thread around belt inside the machine,this also causes it .It happen to me one time.



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I don't need help with a washing machine, it's a sewing machine!

Looks like an older mechanical machine--looks very similar to a Bernina I have. Hopefully nothing is broken or out of alignment that would cause this. Refrain from forcing the motor to run while the machine's parts will not move freely or it could damage the motor.

These are great machines, however, they do need maintenance to keep them operating smoothly. They are very prone to seizing when the old oil dries and turns to varnish, thus preventing the parts from moving efficiently. Here's the method I've use to fix several older machines that suffered from this problem. The problem can affect any moving part of your machine, ie the needle bar, the selector knobs/dials/levers, the feed dogs, the handwheel, etc.

Wheel on right side that controls the needle up and down is very tight...

Jul 13, 2017 | PfaFF Sewing Machines

1 Answer

I have a Bernini Funlock 007D that is jammed. motor runs but handwheel will not turn. Help please.

Probably needs a thorough oiling. Mechanical machines really need frequently oiling to keep them running. Liquid Tri-Flow Synthetic Lube applied a couple drops every place metal rubs on metal (wiggle the handwheel gently and watch where things move). Do NOT oil belts, synthetic parts. Then direct hot air from a handheld hairdryer into the internal metal mechanics. May need to repeat a couple more times until it moves freely again. This works great on sewing machines too.


Oct 27, 2016 | Sewing Machines

1 Answer

Handwheel wont turn

Don't try to force it. Something is binding. First start by cleaning the bobbin area carefully. Then try again. Then look carefully to see what if anything else may be binding the machine up.

Sep 08, 2012 | Sewing Machines

1 Answer

I was sewing a binding on a tree skirt and right close to the end the machine started bogging down and the knob that moves the needle up and down is very tight now and I don't know what to do...

I think that you have some lint or thread caught in the bobbin area. To get it unstuck, wiggle your handwheel back a forth and see if there is anything there, do not turn the handwheel away from you fully, you can mess up your timing. . You may have to take a screw driver and remove the thoat plate and clean that area, then lubricate the hook area as per your manual. Try that and I hope that it helps. If, you need a copy of your manual, go to and download one for free. It is good because you can enlarge the diagrams, in case you have to take your bobbin area out and put it back in. Good luck

Dec 16, 2010 | Singer 1120 Mechanical Sewing Machine

1 Answer

The machine is binding up. Very slow.

Unhook the handwheel clutch (silver knob turn toward you, inside the handwheel).

It should run smoothly, with only the motor spinning (If not, it may be a motor issue).

Remove the bobbin and case, make sure the bobbin winder is off.

Lubricate everything, and let sit overnight.

Run for a few minutes for the next few days, intersperse with heat (blow-dryer, and lube).

Break a Leg

Dec 26, 2009 | PfaFF Sewing Machines

1 Answer

Viking 936 Serger- handwheel will not turn properly

hi there,
this type of problem related to "overload protection" the motor can't overcome the load work,then it would able to stop your machine,theres problem on motor assembly try to check the carbon brush.if worn out replace,handwheel are couple to motor pulley inside machine.there an opening for the belt.if you want to check it loosen bolt cover,have move the belt you can figure why handwheel moving tight.if you realease the belt handwheel will move independently but handwheel is connected to a cam shaft w/mechanical link connected such as gears,cam and bushing that
can also suspiciuos of obstruction can came there.take this to service center if trouble link to mechanical problem.have a nice day
rate me and thank's

Apr 19, 2009 | PfaFF Hobby 4260

1 Answer

Machine is slowing down

Either the machine needs to be oiled or the motor is going bad.Remove the covers and place a drop of oil anyplace that moves and rubs.( The ends of each shaft, the bobbin case area. The needle bar and the joints that allow it to move) Those kinds of places. Also look for thread that may be wrapped around a moving part and remove it.
Check the motor by loosening the handwheel clutch(as though you were going to wind a bobbin) and see if the motor still runs slowly when it is not turning the machine.

Oct 07, 2008 | Singer 5050 Mechanical Sewing Machine

1 Answer

JUKI MO-634D trouble

Well, you might just need a good oiling. Make sure the machine is not threaded and there are no thread snarls where the loopers interact. It also pays to insert new needles and observe the loopers and needles interact. they should come withn .01-.5mm of touching eachother; there should be no hard positive contact between loopers and needles. So, if its tight to turn over by had, this is usually a cam or bushing that need oiling, or thread that got sucked into the machine and is binding the thing up. What I would do is remove the covers, slip the motor belt off, turn over by hand. If it frees up, the bind is in the motor, if its still tight, then id look for thread, and oil the machine with a light weight oil (sew mach oil, tri-flow... NOT 3in1 oil!). If you have a keen eye, you can wiggle the handwheel and try to observe what parts are moving slightly, and which are not. using that method you may be able to track the bind to a section of the machine or even a specific shaft/cam/component of the machine. Another common bind point in sergers is where the knives mate. Move the top knife to its idle (non cuttin) position and see if this relieves the bind.

Jun 27, 2008 | Juki MO-644D Mechanical Sewing Machine

1 Answer

Vintage new home (XR-VII model 990)sewing machine with a handwheel problem

Can you post a photo of the machine, cannot find a reference to this model.

1st just check around the bobbin case area for jammed thread, also in/around the *takeup lever (up/down arm) mechanism near needlebar, as thread often gets wound around and jams the shaft

If it really seems like corrosion in an elderly & neglected machine.... disconnect from power, and using a small rocking movement of the handwheel to identify the parts that should move and with all the covers removed and in a dry well ventilated area with old newspaper to absorb excess,

.......give a light spray of WD40 or similar penetraing lubricant on horizontal Top shaft at each end where it joins main body

..... the region that operates the *take up lever cranks and counterbalance

.....the handwheel has a clutch mechanism, so if you can undo the wheel to access this, it may well be dry and need lube.

.....In the base is another horizontal shaft lube each end and a little where the gears meet to change the drive direction under the hook race/bobbin.

With the same gentle rocking motion of handwheel, see if there is any improvement ...but do not force anything......(to stitch forward, the handwheel spins "over the falls" toward you)

You may not see immediate improvement, so leave overnight and be patient, it may take several days........just be very sure there is nothing jammed anywhere.

Feb 26, 2008 | Sewing Machines

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