Question about Schwinn Original Airdyne

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I bougt a used schwinn Airdyne in great shape. Although the electronics wont work. They come on but doesnt register as I ride. Please help!

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  • mfmorgan9800 Oct 11, 2010

    I can't find a model number. Tag says May 2005 then 1405 G 00018. Best I can tell? It looks just like the picture above my post.

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I too bought an older Air-dyne that is far out of warranty, and I'd been having trouble with the ergonometer showing numbers all over the place, rather than a steady reading. Please note that doing any of the following adjustments yourself will void your Schwinn warranty if it still applies. The fan was way off center, so I adjusted it straight while I had the covers off to clean, oil and adjust the chains. I also thought having the numbers at least showing on the ergonometer was a good indication and started looking at the magnet and sensor on the right side of the wheel. I had noticed that the sensor mounting bracket was loose, so we'll start there with the repair steps:

  1. Make sure the sensor bracket isn't wobbling around. If it is loose, tighten up the INNER nut next to the bracket to hold it steady.
  2. Very slowly rotate the wheel by hand so that the magnet passes by the sensor to ensure that they won't hit during use. DO NOT use the pedals or the arms to test as the wheel will rotate fast enough to break the parts if they do contact each other. Watch your fingers!
  3. If there is contact, gently and gradually bend the sensor bracket away from the wheel far enough to clear the magnet. Test the clearance after each adjustment. Don't leave the sensor too close in case you have wobble (you shouldn't), but don't move further than 1/4" to 5/32" away either.
  4. After the sensor clears the magnet, get on the unit and test the ergometer readings. I used the "Level" readings for all of my tests rather than RPMs. RPMs will vary more even when they are correct, which might make figuring out if the gap is right more difficult. I suppose they could be used if you are a perfectionist but I don't recommend it.
  5. If the readings are now stable and steady, you are in luck. If not, go on to the next step.
  6. I stumbled across a Schwinn reference to the gap (VERY hard to find) on the newer evolution model being 2 mm to 4 mm (5/64" to 5/32"). I assumed that wouldn't change much over the years and my results bore that out.
  7. Follow the next steps very carefully - you need to gently bend the sensor in or out to about a 3 mm gap. Moving the fan wheel by hand only (and still watching your fingers!) rotate the magnet close to the sensor. Use a 3 mm (7/64" is just slightly smaller) drill for a gauge.
  8. Carefully slip the solid end of the drill between the magnet and the sensor while SLOWLY turning the wheel. If it is tight, don't force it as you may break something. Instead, gently and gradually bend the bracket out until the drill just slips between the magnet and the sensor. Mine is set so that the drill was actually just supported between the two.
  9. Test the readings again as in Step 4.
  10. The sensor should now be set about right and the ergonometer work well. Mine is now very stable. If not, you could try very slight adjustments in or out on your particular machine. The 7/64" drill is slightly smaller than the 3 mm, so you might try bending "out" first. You can also try using other drill bits between 2 mm (5/64") and 4 mm (5/32") as gauges.
  11. One more note: While adjusting mine, it appeared that the computer chip must have some means of steadying itself based on what it is receiving from the sensor. Even before I got mine dialed in, the readings appeared to converge over several minutes toward a steadier (albeit not steady enough) number. Don't be surprised if you see this too but also don't accept it as being as good as you can get. Good luck!

Posted on Mar 22, 2011

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Hi
can you please give the model number of your Schwinn Airdyne to assist you better
Thank You

Posted on Oct 11, 2010

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Your computer's pickup magnet pickup sensor is not reading the magnet as you spin the bike. You probably have too much of a gap in between the magnet sensor and the magnet on your bike. Gently push the metal bracket holding your magnet sensora bit to close the gap and it should then read your magnet, calculate RPMs etc. Terpcafe@yahoo.com

Posted on Oct 24, 2010

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Usually when the electronics on these devices dont work the problem can be two fold either they are completely damaged and in such situations they dont come on at all or they come on and dont register. Your situation is the latter.
This is a simple problem as the counting mechanism is simply the part to be checked. Usually there is a mechanisim located somewhere around the pedals which calculated the distance which has been done on the unit it is either this mechanism has fallen out of place thereby would need some adjustment or is completely spoilt in which case replacement is expected.
This should be refered to an expert who is profficient in this field and has the technical know how around the unit.
Hope this solution has been helpful?

Posted on Oct 11, 2010

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Posted on Jan 02, 2017

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What kind of batteries does the schwinn Airdyne take its about 22 yrs old?


Most computer console batteries for Airdynes are AA, you'll have to open up the console/meter housing in the back to replace them. I will be attaching a link to a diagram of the housing. Hope this helps, sincerely SportSmith..

http://www.sportsmith.net/images/product_support/schwinn/service_manuals/Airdyne%20Evolution%20electronic%20trouble%20shooting.pdf

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Tip

Identifying Your Schwinn Airdyne


How To Identify the Model of a Schwinn Airdyne Exercise Bike

  • We'd like to share some characteristics of the Schwinn Airdyne bikes that can be used to help you identify the model of your Airdyne bike.

What size/type fan does it have? Is it a spoke fan like a bicycle wheel or short wide blade fan?

Does your Airdyne bike have two chains or a chain and a belt?

  • AD3, AD4 bikes have two chains.
  • AD Pro/Comp and AD Evolution Pro/Comp bikes have a chain and a belt.

How do the crank arms attach to the Airdyne, by wedge pin or bolt?

  • AD3, AD4 and certain AD Pro/Comp crank arms attach by wedge pin.
  • Certain AD Pro/Comp bikes have crank arms that attach by bolt.
  • AD Evolution Pro/Comp bikes have crank arms that attach by bolt.

How To Identify the Model of Schwinn Airdyne Bike

on Mar 11, 2015 | Schwinn Original Airdyne

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Changed battery, need to restore time and distance to alter


To properly reset your mini computer to the specific mode you need please see Pg 8 - Pg 14 of this Airdyne manual from SportSmith I will be attaching a link of. Hope this helps.


http://www.sportsmith.net/images/product_support/schwinn/owners_manuals/AD4_Airdyne%20Evolution%20Comp%20Owners%20Manual.pdf

Apr 29, 2015 | Schwinn Original Airdyne

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I Need Console for 1988 Airdyne


The age of the machine is not as big of a replacement parts hinder as is Schwinn going through so many buy outs since 1988.

One of the best exercise repair parts on online is FitnessRepairParts.com. They have consoles which are similar to your generation of machine for 170.00 - 240.00

Otherwise schwinn was most recently owned by Nautilus/Bowflex/LAMAR fitness and they may be able to help through their website.

Sorry, I don't have a great source of imformation to help with. I repair Schwinn exercise and it has become very hard to find parts recently as the new generation of AEROdynes are very different. Although, up until maybe 1-2 years ago, nothing had changed for 30 years.

Alternatively, search craigslist and ebay. You may have to buy an entire unit to get the part you desire. Often they have a drive mechanism worn out which devalues them to the seller, but has minimal to do with your search.

Good Luck.

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I have an Airdyne Evolution Pro and the monitor/computer will not register RPM's. Everything else appears to work fine on the computer. Because the RPM's won't register the computer shuts down at 5...


Your magnet sensor on the right side of bike wheel has a too large gap so it cannot pickup (read) the magnet as you cycle. All you need to do is to close the gap to about 1/8-1/16" inch and your rpms will begin being monitored again on your computer. Just use your thumb to apply some pressure on the little black plug so that you press it enough to move it closer to the gap width I mentioned and it will then operate when you cycle. If you press too much the magnet will actually rub/hit the black senso if you press to much. Just adjust the width to create the right abmount of gap and it will kick in again. Please give me a thumbs up for helping you with this solution.

Feb 18, 2011 | Schwinn Original Airdyne

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Same here. Can't find the part online. Local Schwinn dealer said they haven't made that part in at least 10 years. I put on a regular bicycle Cateye odometer. At least I have a measure, although it does feel like it agrees with the Schwinn odometer, even when I set the wheel size to just 100 cm I think it is still ~20% high.

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