Iwould assume that at some time Singer would have produced a more detailed manual for repair meant to work on the vast number of Singer 29k's rather than just the parts manual and blown up diagram of the location of the parts
Also whatever happened to all the original blueprints of all singer machines, things like that are often collected and stored in a museum somewhere for the future, is there a singer museum somewhere that holds all the old designs
Back when these machines were made Singer had repair techs that would come out to repair machines.They wanted to keep them working & making $$ for them so they rarely made repair manuals for that reason.
Thanks Bob, yes i had that one, I have contacted Singer Museum in Scotland to see what archives they have and will post back when i get some info. It would seem strange if all the technical data was destroyed with such a large factory in the UK, normally someone gobbles it up for the future
29Ks are the freakin easiest machines to repair / restore. You find almost everything you need here in the forum (regarding technical information). Hundreds of folks have restored them. It just depends on what subclass you have - and there have been several from 29K1 to 29K173. Some parts are still available but depends on the subclass you have. Most parts for the earlier subclasses are obsolete / out of stock for decades already but for the later subclasses you can get after market parts. A few parts even fit for all 29K models or you can modify them to fit.
To my knowledge, Singer never produced a service manual for the 29K machines. Believe, I have looked for one for almost 40 years. Adler did produce one for the 30-10. 50, 70. A lot of that info can be used on the singers.
You may have to remove the foot, needle clamp and stitch regulator, unscrew the revolving head section, and pull it off the machine. leaving the needle bar attached to the take-up thread control arm. That should let you remove anything that's in the way of getting the top tension disks off. Before reassembling, oil the needle bar and the parts inside the revolving head. This would also be a good time to replace the feed motion bell crank if you are getting less than 5 stitches per inch into 6 or 7 ounces of shoe upper leather.
you either have to take off the head and disassemble it or - in come cases - there sometimes is a hole on the underside of the bulge where the threaded post sits in and you can hammer it out from the underside
I have 2 29K's a 29K15 and a 29K60 I've been trying to find out roughly how old they are is there a link to an an archive or some thing that tells you what years the different models were produced from?
If you are using one of these needle systems and the needle is facing as I described, the shuttle may be out of time. Your machine is probably from the late 1800s or very early 1900s and I'm not sure if the hook timing can be adjusted via an eccentric screw under the base like is is on later models. If so, there will be a hole in the base for a screwdriver. There would be a lock nut on the back of the cranks that needs to be loosened before you can turn the eccentric screw. Lock it back down after adjusting for the best timing. If the rod going to the shuttle isn't adjustable, one of the gears under the shuttle would have to be rotated in the direction needed to bring the tip of the hook inline with the needle, above the eye, after it comes up from bottom dead center and halts momentarily. The machine should preferably be upside down to keep the gears from falling out when the bottom gear cover is removed.
A few months ago, I found this lovely Singer 99k. The "k" just denotes that it was made in Scotland, and otherwise it's the same as other Singer 99s, which were made from 1911 to the 1960s. The one I got was from 1958. The Singer 99 was meant to be a smaller, more portable version of the classic Singer 66. It's made of cast iron, though, so it's still fairly heavy compared to most modern machines.
The nice thing about vintage Singer sewing machines is that they almost always use bobbins and needles that are still in production today. This one uses a class 66 bobbin and a normal 15x1 needle. You can also still find parts for these machines fairly easily.
This was my first vintage sewing machine, so I'll walk you through the process of cleaning, restoring, and troubleshooting. As a beginner, I knew nothing going into this, and I made lots of mistakes, so I should be able to explain this to someone else who is at the novice level, too. I'll try to explain all terms and processes thoroughly, and I'm including links to all of the resources I used along the way. See also my posts on converting the 99k to a hand crank and my post on restoring a second 99k.
It's not that difficult to find people selling vintage Singer parts (or new parts that fit vintage Singers), but it can be difficult to know exactly what you need. See this Illustrated list of parts for Singer 99k to help you find the right search terms. I bought parts from eBay seller The Treasure Cellar and Sewing Parts Online (this is a link to all parts compatible with the Singer 99k that are sold by Sewing Parts Online).
The tension mechanism (also called a tensioner) had a lot of problems. At first, I thought it was just the take up spring that needed to be replaced, but even after trying a replacement spring and then trying to reshape my initial spring, eventually, I just replaced the entire tension mechanism. This seems to have solved the problem. See this guide on refurbishing sewing machines, which includes adjusting the upper tension mechanism. I bought my tension mechanism here.
Replacing the entire tension mechanism was pretty easy. You need to loosen the screw noted with the letter R. The whole tension mechanism should come out when you loosen this screw. You can then put the new one in.
Be careful not to lose the tension pin which sits in the middle of the tension mechanism. Adjust the new tension mechanism carefully so that the the presser foot lifter pushes on the tension pin when it's in an upward position. When I first put my new tension mechanism in, I pushed it in too far and secured it there, which didn't allow for the compression/decompression of the tension pin. Tighten screw R to secure the new tension mechanism.
I replaced the thread cutter, which had become too dull to cut thread. Not absolutely necessary, but it's nice to be able to cut thread without having to keep scissors nearby. I constantly lose my scissors, so it's helpful to have something attached to the machine! The thread cutter is noted with the letter S in this image from the Singer 99 and 99k Manual.
See this video for an overview of how to use a Singer 99k, including threading. I think it helps to see someone actually go through the process of threading the machine, but the Singer 99 and 99k Manual also shows images of the thread path to follow for the upper thread.
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The Singer 15-91 in the photo on the left was built in 1953, according to the Singer machine serial numbers lookup (for double letter prefixes). It was fully functional, with a rebuilt "potted" motor, and was sold for $200.00 at my leathercraft and sewing shop.
This Singer 15-91 is capable of sewing cloth and Denim fabrics to over 5/16" thick with the standard foot. This includes materials like Sunbrella. Sewing sticky materials, like Marine Vinyl and soft leather, requires an even-feed-walking foot, or a roller foot attachment (low shank). The standard steel pressor foot, when sufficiently tensioned down to prevent the material from lifting with the needle, usually drags the top layer of sticky material out of alignment with the other layers. An even-feed attachment, or roller foot compensates for this and allows the top layer to move freely, while still maintaining sufficient top pressure as the needle moves up. It also reduces the maximum clearance under the foot by about 1/16 inch.
The 15-91 uses Class 15 bobbins and standard household series HAx1, which is available wherever home sewing needles are sold. Note, that on a Singer 15-91, the needle's flat side and eye faces left and it threads from right to left. The maximum needle size available is #125/20, which is good for sewing through thick material. The largest thread size it can properly sew and tension is #92 bonded nylon, but it is best limited to #69 nylon. Too much thread tension will overstress the take-up parts and the motor. You definitely don't want to burn out the pod motor because the only way to get another motor is to buy a used one, or have it rebuilt at a sewing machine repair shop.
When the 15-91 machines were in production, they came with a mechanically controlled bakelite foot controller pedal. Most of these pedals are worn out, and if they work at all they may do so intermittently. This could pose a fire hazzard. All of the modern replacement foot pedals are now electronically operated. These controllers have a special three prong socket that plugs into a matching shaped socket on the power cord. Any old controller pedal won't fit it. This electronic foot controller is made to fit a Singer 15-91, and several other models that use the same power plug assembly.
You can click on the links to open them in Adobe Reader, or another PDF reader, or right-click and choose to save the files to your computer. You can get the latest version of the free Adobe Reader, from Adobe.com.
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