Removing flywheel from a treadmill motor to allow repair. Treadmill specific Drive Motor. I have a treadmill motor and controller and was wondering if these motors can be set up to run in either direction? If that pulley assembly is all metal, you can try to give it a shot of heat with a propane torch and then a shot of penetrating oil (locktite brand or moov-it), heat it again and give it another smack with the hammer. Thanks to you and everyone else that's responded so quickly to this. Like many treadmill duty motors, it has a nicely balanced weighted fly- wheel pulley on the drive end of the ~3/8" shaft and I was wondering what's the best way to remove this flywheel with minimal collateral damage to the motor and shaft that it's attached to? Cookies help us deliver our Services. Search for the model on the e-shop or browse the motor list to find yours. I recently mounted a treadmill motor onto a drill press. They fit a fancy flat belt with 5-10 "v" grooves. I have tried this but there is very little armature to hold on to. Slide and pull the belt treadmill out. Like many treadmill duty motors, it has a > nicely balanced weighted fly- > wheel pulley on the drive end of the ~3/8" shaft and I was wondering > what's the best way to remove this > flywheel with minimal collateral damage to the motor and shaft that it's > attached to? The heat will cause the shaft to suck in the oil better as well. As you can see in the pictures, attached to the bottom of the motor is the flywheel. Standard screw driver. I tried all the different allen wrenches and none seemed to "grab" on that end piece. It is not a issue with the brushes as it is a single flash rather than sparks. One British chap use a wooden wheel he turned on his wood lathe and the old steel wheel and stub was epoxied into the recessed side. Unfortunately it is very stiff. The magnet may have fallen off and may need to be replaced. How can I remove the square insert? New comments cannot be posted and votes cannot be cast, More posts from the AskElectronics community, Press J to jump to the feed. 5. I have a treadmill motor Greenmaster GMD82-05-1B, see image, that goes pop every time you switch the treadmill on. It think it is a pretty good motor and I do have a controller that should work with it, but my problem is how do I attach a pully to the motor shaft which is step threaded but has no key groove. Too much grease builds heat. Precor Treadmill Drive Motor Flywheel. Heat from the side and not the shaft, you are trying to create a thermal expansion to loosen the shaft. I have a treadmill motor Greenmaster GMD82-05-1B, see image, that goes pop every time you switch the treadmill on. I think there is a short inside the motor somewhere, maybe due to a build up of carbon or wear. Now, I think it would make a great belt grinder motor. On the side with the metal drum it looks like there might be a keyed insert and a grub screw going sideways down into the drum. Dumb question, what's the trick to pulling off the plastic fan? Press question mark to learn the rest of the keyboard shortcuts. I use expensive electric motor bearing grease. Press J to jump to the feed. Contact the seller- opens in a new window or tab and request a shipping method to your location. Is there a tool that is a half moon shape like the end of the armature, that I could use to get more purchase on it? Hi. However all other electrical issues on the motor and the MCB seem to have been resolved. It just did not have enough power for direct drive. Remove the snap ring on the fan and see if the brushes are behind the back plate first. The flywheel is the large cylindrical part attached to one end of the motor housing and is usually gold-colored. Beware pullers, its too easy to destroy things. Remove the motor hood; Lift the motor hood up and out to remove it. I have seen a video were someone reversed the polarity on the control board but I cannot do this because the motor does not turn as it just pops. I built the flywheel and it works! The flywheel on an outboard will need to be removed when repairs are needed such as the motor not starting properly. 6. I wrapped it in leather. It was flush with the top, until I pressed it in further with a screwdriver - stupid move in hindsight. Loosen idler bolts; Loosen, but do not completely remove, the idler bolts. If it's the latter and you've removed any setscrews you find and it's still not coming off, you may need to use a 3-jaw puller (you can pick these up at most auto parts stores). * put a damp towel around the motor shaft then Heat the flywheel near the hub. If the spindle was somehow threaded that keyway (square part between the drum and the shaft) will need to be removed before it can spin, but certainly try removing the grub screw first, it might just be a friction-fit. Three bolts were added to keep it tight to the steel flywheel. It came right off.But thanks for the response, it is nice to know there is a site like this I can go to. Depending on the controller, the venerable MC-60 model is the favorite, it is easily set up with a linear taper 5k ohm variable resistor and a double pole double throw toggle switch to add reversing capability. A 3 phase motor could be difficult and confusing to wire with the shown flywheel circuit, because the motor would need a 3 phase to single phase DC conversion and a DC to 3 phase reception from the transistor... Finalized Flywheel Design By Mark. Remove the bolts to the bracket, disconnect the wire harness leading from the motor to the control panel, and lift the motor out of the treadmill. I only had a 2200uf 16volt. I have been playing around with mounting and the easiest way for me to mount would to be use the shaft opposite the flywheel but then it turns in the wrong direction. If you have to take apart the front assembly, that definitely has a key. There seems to be a locking mechanism but I don't want to break it to pull it off. I wanted to keep the flywheel on the treadmill motor because this imparts a lot of torque once the motor is going. Reddit really is a great community! I got this treadmill motor several years ago with dreams of putting it on my Grizzly G4000. Therefore i won't be riding this treadmill for running until it is fixed. Easiest Way To Remove Treadmill Pulley / Flywheel & Speed Test! It is not a issue with the brushes as it is a single flash rather than sparks. The one on mine was ~⅛" steel, spot welded to the motor housing. I'll have to try the auto parts stores in town to see if they have this. In order to access the crankshaft of the motor the flywheel will need to be removed from the engine. In order to disassemble the motor I have to take the large flywheel off. Disassemble the motor and clamp the armature in a vise being careful not to damage it. bench vise0:43 seconds in https://www.youtube.com/watch?v=WzF_AD4jnVs, Thanks I shall have a look to see were I can find one to use. I think there is a short inside the motor somewhere, maybe due to a build up of carbon or wear. I put the back end of the motor in the vice, and made a small tool that allowed me to turn the flywheel with some tortion,. Sometimes they're screwed on with a left-hand thread; sometimes they use a keyed shaft. Remove the set screws (usually Allen keys in the side) and have someone hold up the motor by the front pulley assembly. Press question mark to learn the rest of the keyboard shortcuts. Solution: Remove flywheel and replace with normal V-belt pulley. By using our Services or clicking I agree, you agree to our use of cookies. Usually you can find the model and manufacturer of the motor on a label. Use a large drift and a hammer to give the shaft a smack and drive it downwards. If the console develops static, the circuit breaker may need to be reset. I was wondering if anyone can give me some advice on how to get it off. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. If I can get the square insert, what can I do to remove this piece? I removed the flywheel from the motor, attached the 2.5" pulley, and bolted everything on to a wall of the potter's wheel chassis. The best way to replace the drive belt on treadmills and other equipment: Open the device; Remove the V-belt (push the flywheel with a screwdriver) To make it easier to pull the V-belt on or off, the spring can also be unhooked from the holding rail for the V-belt guide rollers. I have seen people place vice grips on the other end of the armature so they can loosen the flywheel. I think there is a short inside the motor somewhere, maybe due to a build up of carbon or wear. Like many treadmill duty motors, it has a nicely balanced weighted fly- wheel pulley on the drive end of the ~3/8" shaft and I was wondering what's the best way to remove this flywheel with minimal collateral damage to the motor and shaft that it's attached to? Treadmill repairs associated with treadmills with a magnetic pickup on the flywheel will include a thorough examination. *If the flywheel you take off had fins for cooling the motor, replace it with either a blade mounted to the shaft or an externally powered fan* Taking the flywheel off can be a pain. Heating the shaft is counter productive. I have a Precor 9.25i Treadmill and would like to inspect/clean the brushes, but I cannot figure how to remove the flywheel. I debated leaving it on, but I decided to remove it because the wheel was just too heavy to move around. In it's new configuration it will be reversible so there is a potential for the flywheel to unthread from the motor shaft. I found two recessed set screws, clamped on a vice grips to the shaft on the other side and tried to turn it off, but it is not budging. David, The flywheel I removed was done exactly as you said with one important addition. Burning Smell. Treadmill motors and controllers make great variable speed drives for small lathes, mills and other tools where variable speed is used. I think I understand what you are saying. A place where people can come to learn and share their experiences of doing, building and fixing things on their own. I used a motor from a treadmill. Hi. Allen wrench. The treadmill is not for me but for a friend who was involved in a car crash and needs it for physiotherapy. - Duration: 7:48. He trued this assembly up while running on the motor, and made it a 2" wide drive wheel. Cheers Again, New comments cannot be posted and votes cannot be cast. Removing the Flywheel: 1. Remove the set screws (usually Allen keys in the side) and have someone hold up the motor by the front pulley assembly. Does anyone have any suggestions on how to remove the flywheel? For your guide though, on the Proform motors, the flywheel just unscrews, but it is right hand turn to remove, unlike a conventional nut and bolt. c. Pull up on the left side of the roller and pull the roller out. hand and rotating the flywheel on the Motor with the other so that the belt walks off the pulley. I don't know what it's called, so have no clue what to search for. Remove the snap ring on the fan and see if the brushes are behind the back plate first. Treadmill: Replace the drive belt and treadmill belt. On the fan side there is a snap ring which needs snap ring pliers to properly remove. This step is much easier to complete before assembling all the walls. Brainstorming. Due to recent events new treadmills are out of stock everywhere. By using our Services or clicking I agree, you agree to our use of cookies. See image. Everywhere is closed at the moment. This item will ship to United States, but the seller has not specified shipping options. Abandoned by OP. Remove the deck screws on the right side of deck which connecting to frame with a Phillip/Cross screwdriver. You can see it in the image I added to the OP with the fan. Thanks! Electric treadmill Motor for Sale. For various reasons, I never got around to it. My plan is to use it for a drill press to give me 2 HP and variable speed without having to change belts. DC permanent magnet motors (home use) and AC motors (high end home use and commercial fitness) are available. Very few motors actually come with the common Automotive 4L style belt pulley. Brandon's Garage 8,211 views. Removing Flywheel from Treadmill Motor. Unplug the power cord for 60 seconds to fix this problem. Reusing the plastic roller pulley is near impossible. Like many treadmill duty motors, it has a > >> nicely balanced weighted fly- > >> wheel pulley on the drive end of the ~3/8" shaft and I was wondering > >> what's the best way to remove this > >> flywheel with minimal collateral damage to the motor and shaft that it's > >> attached to? The original pulley is a multi v type integrated into the flywheel/fan assembly and is installed on the motor shaft with a left hand thread so it self tightens when running. The end of the armature I am gripping is a half moon shape, see my sketch, but no matter what I do the vice grips do not hold tight enough. There is a screw in the center of the flywheel you need to remove first. Edit: Added images: http://imgur.com/Yb9JkaH http://imgur.com/1l8BdMZ http://imgur.com/eLfsmin. That can hit -40, shrink the shaft and it will pop free. I have a treadmill motor Greenmaster GMD82-05-1B, see image, that goes pop every time you switch the treadmill on. It is not a issue with the brushes as it is a single flash rather than sparks. The flywheel are left-hand 4m thread and can really be cinched down or corroded onto the shaft. Removed from Precore C944 drive motor. This might sound crazy, but the motor that was in this treadmill was 1.5 horse power!!!! Shipping and handling. Motor Replacement Steps: Remove hood screws; Locate and remove the motor hood screws found on the sides and front of the motor hood. Cookies help us deliver our Services. Sometimes I invert a can of air duster and blast the shaft with the liquid. https://www.youtube.com/watch?v=WzF_AD4jnVs. *Edit 3/31/12* It appeared to work with my small volume of test grains, however when I went to run a full batch of grains this morning it choked badly. Mad power son!!! Most treadmill motor flywheels serve also as the pulley. Remove Flywheel. 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