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Check your motor brushes if you haven’t done so recently. Here is the link to the video. Nigel https://www.apqs.com/motor-brush-maintenance-video/

Linda always give good advice. Here is a link to the timing video. Nigel https://www.apqs.com/timing-apqs-machine-video/

Sure you can. It says winner will be contacted by phone or email.

Susan Click on the person’s name and you will find a Envelope button the says message. Click on that and the message will go to their email. It looks like both people who you have tried this morning haven’t been on the site since a day or two after they posted. Good luck in your hunt. Nigel

Excellent

Probably timing but you do have the needle in correctly right? There is a long groove in the front and the scarf goes to the rear. I put a needle in wrong once and it was after I had been quilting for several years, so don’t feel bad if you did it also. Let us know how you make out. Nigel

Loosen the two pigtail guides and rotate them upside down and retighten and retread, this will eliminate or confirm them as a problem for your breakage. One more thing to check. I had a couple of spools of Glide that were wound improperly and every now and then the thread catch on itself on the cone and stop feeding vertically. Not a common problem but it does happen. Also follow through the threads Cagey has provided, her advice is always solid. Please let us know when you find your problem Nigel

I believe the XX is similar to the other APQS machines except it has a longer throat. If so you should find a hole with an Allen head set screw behind the tension assembly if you are standing at the front of the head. If you look at the new assembly you will see a groove about an eighth of an inch from the edge on the end that goes inside the machine. That is where the screw will tighten and hold the assembly in. Loosen the screw a few turns and the assembly should pull straight out and insert the new one. The proper positioning will have straight part of the spring pointing at about 11 o’clock. Don’t push the assembly in too far as to have the spring rub the side of the head, you will see what I mean when you get that far. Sorry I don’t have pictures or better instructions, my service manuals went when I retired and sold my machines. Nigel

Bridgette Quiltlover hasn’t been here since July 26th. Click on her name and send a private message and it will go to her email. Nigel

I agree with Sue. The thread starts to shred at the guide but then the shredded piece can’t get through the eye of the needle and it backs up there. Nigel

Probably a little light for motorcycle chain but definitely bicycle chain and cables. Tri-Flow superior is commonly used in the vintage sewing machine community. It is a very light viscosity oil that also helps soften up and flush out the years old oil that has turned to gum. It would work fine in our machines but my understanding is the PTFE will not pass through the wicks. So since you need the regular sewing machine oil for the wicks, why bother having two products when one will do. Now if I was servicing one of our machines that had been sitting for a few years I wouldn’t hesitate to take off the side cover and give the mechanicals a good soaking with Tri-Flow. Nigel

I agree with Cagey. It is not uncommon for this to happen after your machine has broken in. The machine will turn a little quicker now and is spinning past the stop sensor so the motor stays on and tries for the next stop etc. The break-in happens so gradual you would never notice the speed change of the needle positioning. The number 8 screw adjustment is to slow down the positioning speed so you don’t overrun the magnetic stop sensors. Nigel

Most likely your machine has loosened up a little as it has worn in. Here is a link to the adjustment instructions depending on which machine and age you have. Nigel https://www.apqs.com/needle-updown-wont-stop/

Welcome Lisa Have you tried what Zeke told Peggy above? Zeke over the years has been the most knowledgeable active person on this site for the Compuquilter. Click on his screen name and send him a message if he doesn’t pop up here in the next day or so. Intelliquilter.com has offered support for Compuquilter for the last couple of years with parts taken from systems that have been traded in. Nigel