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I have a Baby Lock BL4-736D serger. I need the cutting blades replaced. Can I do it myself??

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Usually, only one blade can be installed by the user. The other should be done by a qualified technician as it requires some specifications that a user normally would not have. However, the good news, usually only the one blade needs to be placed unless they've both been nicked or damaged.

Posted on Apr 21, 2017

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Yes and the instructions are in the book that came with your machine, and there may have been an extra blade with your machine when you got it.

Posted on Apr 20, 2017


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Posted on Jan 02, 2017

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I am trying to figure out how to disengage the blade on a BL4-738D Pro line serger. I do not have the book and not figure out how to do it.

BL4 738D Baby Lock Proline Serger Overlock Users Guide Owners Instruction...

Most serger upper blades can be "flipped" out of the way by pushing in and rotating it at the same time. HOWEVER, remember it is not recommended to run the machine with the blade deactivated. The loopers can be damaged/broken when they contact fabric that has not been trimmed.


Jun 12, 2017 | Sewing Machines

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Can't lock my cutting blade on my baby lock evolve serger for cover stitch.

99% of all serger problems can be solved by going to the manual, unthreading, cleaning out all lint and 'stuck' threads, pieces of fabric and such. After the visible stuff is removed a blast of canned air is used to get the tiny pieces.
It is possible that there is an obstruction of some sort that is keeping the blade from 'locking' in to place. Check the spring that holds the blade in place and also (carefully) the blade for small damaged areas. If possible you may be able to unscrew and reinstall either the old blade or a new one (should be in the kit that came with your serger).
If none of these measures work the blade assembly may need adjustment by a technician.

Feb 28, 2015 | Baby Lock Sewing Machines

1 Answer

How to replace the upper cutter on the baby lock? which screws to release the old blade?

I also have a babylock eclipse BLE1DX serger & here's how my book says to do it

to replace the upper cutting blade the front panel
2.remove the screw holding the upper blade
remove the upper blade
3.position the new blade in the blade slot, replace the you tighten the screw, hold the blade up in it's highest position
4.close blade cover. close front cover

hope this helps you
good luck

Sep 12, 2011 | Baby Lock Eclipse Serger

1 Answer

I have never used a serger before and a friend is letting me use hers. There is string on the machine, but how do I put the colors I want on and get it to the needle? The machine is a Baby Lock BL3-417. ...

here's a tip I learned for sewing machine or serger

do one thread cone at a time-the cone or spool that's on the serger--cut the thread close to the cone-then remove the cone from the serger ,,don't remove the thread that you just cut from the serger,,now put your thread on the spindle & tie your thread to the thread that you just cut (make sure it's a small knot) now the thread that's in the needle pull until the thread that in the needle is your & then cut off the other thread & make sure to cut of the knot part & leave a thread tail of 4 to 6 inches

do each spindle this way

Dec 09, 2010 | Baby Lock Sewing Machines

1 Answer

Need help using Babylock EA-605 serger

Professional service for a serger is around $100 plus parts and since you did not mention a stitching problem, I would apply a couple DIY techniques.

If this serger has a plastic case and shelf, you can try to tighten the thread stand by filling the screw holes with epoxy for plastic (you can find it at Walmart with the hardware/paint/auto supplies) and then insert the screws before the glue sets up.

Position the serger so there is no weight on the shelf and let the glue dry for a couple of days before using the serger.

Seal/bevel the top of the door with painter's blue tape (also at WM). This tape is almost a necessity with many sew-ers. It can be used for many things and does not leave a sticky residue.

Mar 25, 2010 | Baby Lock Sewing Machines

1 Answer

Serger blade is dull

You blade definitely needs replacing. It is something that you could probably do yourself if you paid very close attention to the position of the current blade before removing it and get the new blade lined up exactly the same way. That is the best place to start. Then very carefully turn the hand wheel by hand while the machine is unthreaded. You could even place a piece of fabric under the foot and see if the knife is going to cut the fabric. If all is well and there is no grinding or hitting, you should be good to go.

Feb 10, 2009 | Singer Sewing Machines

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I have a baby lock imagine machine. I'm sewing with streatch velvet, and the stitches are off the fabric, or the loopers are too loose. I tried tighting the looper thread fine tuning screw, adjusting the...

Stretch fabric is made for using the differential feed on your machine, sergers love stretchy things. Try widening the stitch you are using and turn your differential feed down one notch to allow the machine to get a good grip on the fabric, you may need to bump the differential feed up more if it still doesn't stitch nice, keep trying on a piece of scrap fabric of the same as you are using until you are happy with the stitch.Another solution is to put some lightweight tissue paper under the seams and then tear it off after you have sewn the seams, this works but will dull your blades over time.

Oct 30, 2008 | Baby Lock Eclipse Serger

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Need replacement cutting blades on my simplicity serger easy lock 804 or go to Google, type in: "Replacement blades for a serger". Hope this will help. I have the same serger. --Tricie

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