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Juki LBH-781 is stuck and clamp foot won't raise.

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Posted on Jan 02, 2017

SOURCE: I can't get the foot to lower and raise.

it sounds like it's out of time--here's how to fix it
to adjust the pressure on the presser bar and in turn the foot, locate the thumb
screw at the top of the machine

by rotating the thumb screw clockwise, you will increase the pressure, a counter
clockwise turn will decrease the pressure

the correct height of the pressure foot from the needle plate is 7mm.
to adjust this clearence loosen the screw & adjust the pressure bar through
the guide
secure the screw firmly when the correct adjustment is obtained

the distance between the presser bar lifting arm & the presser bar guide should
be 0.5mm ..( be sure the needle bar does not rotate left or right during the
adjustment process. the needle must be center of the presser foot & needle
plate hole,, if this is not centered re-adjust to the center of both needle foot
& needle plate hole.

Posted on Apr 07, 2012

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I have a Juki TL98E and when I got it forgot to put the presser foot down and obviously the needle broke several times. Now the thread keeps breaking. Thoughts?


Remove all the thread from the machine. Thoroughly check that there are no stray threads or lint stuck anywhere. Oil your machine per the instructions.

Make sure you are using a brand new needle.

ALWAYS RAISE the presser foot and rethread the machine. Verify the thread path is correct. Check that the bobbin is installed and threaded correctly.

Set the tension to the midway point. Pull the bobbin thread to the top of the fabric. Gently hold the thread tails while you take a couple of slow stitches.

If it is still not sewing correctly, it's quite possible the timing is off (which is common when a needle breaks). You'll probably need to take it for service.

...

Oct 27, 2016 | Juki Sewing Machines

1 Answer

Juki hl sewing machine thread not sewing


Is there power to the machine? Will the needle move? Did you switch the bobbin winder off? (Even if you think you have, try it again.) Is the machine clean and properly threaded? Can you use the handwheel to raise the bobbin thread? Did you hold the bottom and top threads together behind the presser foot when starting the seam? Is the needle new and right way around and fully up in the needle clamp? Can you sew on paper, but not fabric? Did you drop the presser foot?
Some more information would really help. (So would a complete model number!)

May 02, 2014 | Juki Sewing Machines

1 Answer

I have the juki TL 98Q and the presser foot will not go up or down. The lever in the back moves but the foot stays up.


It could be as simple as the set screw in the lifting collar has came loose. If you open the end piece and raise the lever in the back up and down you should be able to see if the collar is loose. It will be on the pressure bar and it is the piece the lever pushes on to lift the foot. If just loose you have to put it to where it needs to be on pressure bar to lift it high enough and tighten the set screw.

Aug 31, 2013 | Juki TL-98Q

1 Answer

The pressure foot won't go all the way down


take off side plate and loosen pressure ft screw . it should snap down. make sure the foot stays align wit the needle. u want the foot slot with needle in ctr.

Oct 20, 2012 | Juki TL-98Q

1 Answer

The presser foot is raising up in the back when I lift it, but the front of the foot will not stay up


sounds like foot is not raising high enough. take off side plate and loosen presser ft screw and if possible slide collar down and tighten screw. u can mess arouond here since this will not affect machine timing.

Feb 21, 2012 | Juki DDL-8700

1 Answer

Don't know how to thread the juki mo-735 serger


This video starts off a little ****, but expected if you have ever visited the Threadbanger site - http://www.metacafe.com/watch/1462325/how_to_use_a_serger_indie_pendent_designer_spotlight_thread_he/ Not your brand, but the same "serger basics". Lift the antenna to it's highest position. Set the tensions to zero. Have the presser foot up when threading. Raise the upper looper to it's highest position. Sergers are great little machines, but they can be nerve racking when it comes to threading. After years of threatening my old FunLock, I bought a Babylock Imagine with air-jet threading - what a relief!

Mar 12, 2010 | Juki MO-735 Mechanical Sewing Machine

1 Answer

Need instructions for threading Juki MO 3314


Open the font of the serger and the instructions will be printed on the serger or on the door.

Raise the presser foot and set the tensions to zero when threading.

Turn the hand wheel so the upper looper (curved one) is at it's highest point and thread it first, and then the lower looper.

With some sergers you must thread in a certain sequence. This should be indicated in the instructions on the serger.

Set the tensions back to normal ( 4 - 6), lower the presser foot and run a length of stitching to see if the threads are knitted together as they should before you start serging your project.

Feb 19, 2010 | Juki MO-734DE Mechanical Sewing Machine

1 Answer

Does the Juki DL-555 sew leather?


ordinary drop feeds are not suited for sewing leather,ideally a needle feed or machine with a walking foot mechanism is best suited.if you are stuck with this machine only,there are a couple of things which may help.on some of the juki ddls there is an adjusting screw and locknut on top and in the middle of the arm of the machine .turn needle by hand wheel to bdc and loosen this screw and turn clockwise slowley! this will raise the presser foot very slightly,so when the feed dog is at tdc it can improve the feeding . spear point needles are reccommended also. one other idea,but you need a qualified mechanic to do this is to alter the feed timimg slightly on the eccentric on the top shaft.as the needle is entering the fabric,slow the timing down so the needle enters the leather just as the material starts to move. hope this helps! cheers kev w 07725903110

Feb 23, 2009 | Juki MO-644D Mechanical Sewing Machine

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