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ACNP-MC01 engine sometimes works and sometimes not

When it stopped, if you turn off and move the belt, you turn on  again it works for a while. Has this motor brushes (ACNP-MC01)? The machine is DDL-5550-7 with control box SC-1 type AC

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Filling the bobbin with my Juki DDL-5550-6

It's actually designed that way on purpose so you can wind a bobbin while sewing. If you lift the presser foot, at least it'll make less noise in the process.

Posted on Apr 16, 2009

Zenqi
  • 208 Answers

SOURCE: Juki Sewing machine DDL-555. After 4-5 hours use feed not moving

Sounds like as the machine builds up friction from extended use, some vital part is lacking lubrication and is seizing up. A good service person will remove ALL of the covers and thoroughly air clean and oil every moving part. Sometimes these dry points are hard to find and patience is required.

You can get a sewing machine oiler with a long applicator and put a drop of oil on anything that moves, but over oiling can be messy.

Posted on Jun 17, 2009

Mongo32
  • 111 Answers

SOURCE: I bought a second hand Juki industrial machine ,

upper tension sets the lower thread tension (upper thread is what you see on the underside of the fabric). Bobbin tension is for the thread you see on the top of the fabric

Posted on Jul 08, 2009

  • 3 Answers

SOURCE: can i replace juki ddl 5550-6 motor that has

yes you can change with other new style motor for your machine .can ask how at .
multytech786@yahoo.ca

Posted on Feb 06, 2010

  • 1 Answer

SOURCE: thread and bobben pattern for juki ddl 5550

Your bobbin case may be too tight. Try loosing it by turning the small screw a little turn to the left. If thats not it, you could also have a bend or snag in the bobbin case that is snapping the thread. If this is the case you will need to replace it.

Posted on Apr 21, 2010

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Your clue is "just sits with the motor revving." your motor belt is about shot. If an internal motor... take it in to replace BOTH the motor and timing belts, might as well have it serviced and adjusted too while the repair person is in there.

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:) welcome to the world of industrial machines. The good news is they are typically simple machines.

It is a good habit to take a few minutes to clean and oil your machine before you start sewing. Look for the oil points and give it one drop of quality sewing machine oil in each port.

Now let's try to determine why the hand wheel isn't turning. Loosen and remove the belt from the large reducer wheel under the table to the sewing machine. Try to turn the hand wheel. If it does turn.... Good! If it doesn't turn... we know the problem is in the the machine head and not the wheels below.

Make sure there is no bobbin thread or upper thread. Try to turn the hand wheel again. Anything?

Look carefully at the machine... is the take up lever bent? (personally had this happen with friends helped me move a big machine like this.)

Keep working this way... inspecting the machine until you find the problem. Good luck

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This is a machine with the motor and belts hidden inside right? Your belt is broke. While you can replace yourself... it's likely that it threw the machine out of time... and it is very easy to through the machine out yourself when you replace the belt yourself (ha! ask me know I know!)

If everything works when you use the hand wheel... take it in and have the belt replaced.

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Error code 3 and 4 and sometimes 5 have to cut off and back on to operate


HELLO THERE
regarding error E3,E4 and E5 that's means V belt has slipped so stop position arregular.please sheck tension for v belt. other ways i think sinchronizer need to clean or replace it.
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ashraf abozid
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aabozid@hotmail.com

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My husqvarna 500 computer won't start. It ran for a while after I got it tuned up and then stopped running again. The lights come on but the needle doesn't move. Turned it off and on again as...


Did you leave the foot control with the machine when it was service? I normally will not keep the foot control when I check a machine in for service as long as the owner feels it works okay. The cord must be firmly seated in the back of the foot control. Some people have had a loose cord for 10 years and never realized that it just isn't fully inserted. Also, make sure that it fits fully into the machine. Sometimes they feel like they go in but a second try lets them drop in fully and work normally.Beyond that, you should probably have the person who tuned it up for you have another look at it. Is it still within it's warranty period from the tune up. Most dealers won't mind taking a look and advising you on what is going on.

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The belt is not moving when i pres the pedlle


it sounds like your machine may be seizing up. it needs a service. oil all moving parts with good sewing machine oil (not 3-in-1 oil) and work the oil n b turning handwheel by hand for a while.

if this does not free-up machine have it serviced by a tech.

scott

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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

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