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Timing a Rex Blind Stitch (900 -PB -1)

Fixing Rex Blind Stitch (900 - PB -1)

am fixig a Rex Blind Stitch (900- pb - 1). The front stroke is ok, the looper passes the needle ok.Onthe return stroke the needle is hitting the shorter sprang of the looper. What is the correct length of the looper adjusting rod?Also what is the correct needle for this machine.

Thanks in advance?
Claudius Richards.

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SOURCE: Timing problem on Rex commercial blind stitch

retime your hook with relation to your needle the hook is slightly out of time causing it to "slip the loop" the hook should hold the loop until the needle retracts forming the chain

Posted on Apr 30, 2009

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SOURCE: Blind stitch won't lock

This is hard to find in the internet so I hope this will solve your problem...

Frequently Asked Questions

Q) Help!
I am breaking a lot of needles and the tension is getting too tight on its own while stitching and causing the thread to break. I am learning the machine for two weeks. Is it so sensitive too wools, cottons, and fleece that this would make such a major difference in the stitching - breaking needles, breaking thread?

(A) It may not be tension that is causing the problem with your portable blindstitch. If you have broken needles it has probably left some needle burrs in the thread and needle path that need polishing off with fine emory cloth (crocus) before sewing again.

Start with a new LWx6T needle without thread or fabric. Watch the needle as you turn the hand wheel. If there is needle deflection, reduce the penetration dial until there is no needle movement. If there is needle deflection caused by burrs, they must be polished off. Check the looper tip and two arms for any needle burrs and polish off. If there is needle deflection caused by the needle track lifting the needle, lower the track very slightly with the screws on the side of the black metal bracket above the needle.

Finally, Back off on the tension dial and retighten while you are sewing with a light strong thread and light to medium weight fabric, until you get the correct tension without loops. If tension is too tight it will push the thread up so it is not all the way down between the tension discs where it belongs.

(Q) I can't understand how to finish off at the end. It
always unravels. I have read the manual and it seems simple but I
apparently just "don't get it." Any help would be appreciated.

(A) At the end of the blindhem seam, position the needle all the way to the left, then use the knee lift to remove the fabric and jerk on the fabric at the same time. That will tie off the tread and break the thread at the
needle without bending the needle. You can weave the thread tail back into the stitches or cut it off. Before the above procedure, you could also turn the handwheel counterclockwise for a few stitches, then come back to the end of the seam and repeat the first procedure above.

Posted on Nov 17, 2007

SOURCE: Blind Stitch Machine

The machine is skipping stitches. How do I set it to not do that.

Posted on Apr 24, 2008

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Rex b/s 900-pb1 wondering how heavy of a fabric will this machine stitch, particularly cordura 1000d for hiking backpack


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How do I adjust the timing on a commercial blind stitch machine?


Don't.
Simple as that. If you don't know how to, you are not a tech. thus take it to someone who has had training, been shown first hand and knows how to.
I mostly deal with domistic sewing machine, but I do deal with a few industrials as well. these sorts of machines don't tend to go out for no reason. if you play with it, trust me on this "YOU WILL MAKE A MESS OF IT" unless you know what you are doing BEFORE you start doing anything with a screw driver.

How do you know the timing is out to start with? good thread, fresh NEW needle that should be in this machine. don't use a needle that is close. use the right one. and test, adjust tentions to suite.

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How do you adjust timing on Rex commercial blind stitch?


I was just researching the same issue, only for my Lewis Blindstitch. I found a copy of the US Blindstitch maintenance manual on the mansew.com webstite. It looks like the setup is very similar to my machine, so maybe you can adapt the information to yours also. Good luck. Sorry, I was not able to post the hotlink, but this is it spelled out, exactly as it shows.
http://www.mansew.com/US BLIND/USBlindstitch_Maintenance.pdf

Apr 30, 2009 | Rex RX-518

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Timing problem on Rex commercial blind stitch


retime your hook with relation to your needle the hook is slightly out of time causing it to "slip the loop" the hook should hold the loop until the needle retracts forming the chain

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REX blind hem how to lock the stitch


When I purchased my blindstitch machine, I was also told to kind of snap the fabric as you pulled it our of the machine. Like you, I found that to be a little risky. Sometimes I'd just unravel what I'd sewn. I have found the most dependable thing to do is: Before removing the fabric from the machine, snip the thread between the fingers of the looper as it approaches the needle. If the loop is broken, the chain stitch will not pull out. If you cut the loop as it approaches the needle, you will get a bit longer tail so the needle doesn't come unthreaded on the next run. If you find you need a bit longer thread tail, you can pull a bit on that loop before cutting. As long as the needle has passed through the loop on the previous stitch, you'll be fine.

Dec 29, 2008 | Rex RX-518

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