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Need to take the crank arm off of my Schwinn 235i exercise bike. I got the dust cap off and the bolt behind it but don't know where to go from there

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Posted on Jan 02, 2017

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SOURCE: schwinn dx900 upright exercise bike--need

LR44, A 76 or equivalent

Posted on Nov 30, 2009

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SOURCE: I need chrome dust caps and the fixing bolts.

Local Bike Shop.

Posted on Jan 25, 2010

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SOURCE: I need a manual for

You manual may be found here:

Posted on May 22, 2011

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SOURCE: I just bought a Schwinn

Try they might be able to help.

Posted on Jun 26, 2011

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SOURCE: Will using an exercise bike help to define my arm muscles?

No because your arms are stationary on the handle bars thewhole time.

Posted on Jul 09, 2012

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The steel on the crank arm of my Monark 817e exercise bike broke, how do i remove it, it has no cover/nut/bolt/washer holding it to the axel

It's very difficult to find someone familiar with a particular model of a particular brand of exercise bike, but I pulled up some pics that seem to show that yours can have one of two types of crank. One is called a "one-piece" crank. Typically it is removed by unscrewing parts from the left side after removing the left pedal (left-hand/reverse threads). You may have to remove the housing to access and remove the parts. The other is a 3-piece cranks, and the arm will have a plastic cover at the axle. If you remove that dust cap you will see a bolt underneath. One has to remove that bolt and then use a specialized tool (crank extractor) to remove the crank arm. Check with a bike shop (take in the unit or take some good pics) for replacement.

Aug 05, 2016 | Monark Cycling


How to replace a chain with master link on a Schwinn Airdyne

Airdyne Chain Replacement with Master link

This video will demonstrate how to replace the chain with master link on a Schwinn Airdyne.
  • First remove the cotter pin and clevis pin from the user's right handlebar. Then lower the connecting arm and handlebar.
Caution: be sure to hold the handlebar as it will come loose after removal of the above parts.
  • Remove the connecting arm and pedal and crank arm by removing the wedge pin. To simplify this process loosen the nut and tap on it with a small hammer until the pin is loosened.
  • Remove the nut, wedge pin, crank arm and connecting arm.
  • Next remove the chain guard; there are three screws attaching it as shown in the video.
  • Remove the chain by locating the master link. Remove the lock pin and the cover, and then disconnect the chain.
  • Place the new chain on the sprockets as shown in the video.
  • Install the master link, cover and lock.
  • Re-install the chain guard and attaching screws.
  • Re-assemble the connecting arm to the handlebar and eccentric.
  • Be sure the brass bushing is installed in the front inner side of the connecting arm before installing the clevis pin and cotter pin.
  • Install the crank arm with pedal.
Be sure when completing this step that the crank arm is installed in the opposite position as the users left side crank arm.
  • Install the nut onto the wedge pin and tighten.
  • This completes the procedure.
Replacing Schwinn Airdyne Chain with Master Link

on May 23, 2016 | Schwinn Airdyne Exercise Bike


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

1 Answer

How do i remove the crank on a green machine. I have removed the outer cover and the inner bolt.

you need a crank screws into the outer cover( called a dust cap) threads, and then you tighten the bolt in the center and it pushes the crank arm off ( available at any bike shop)

Aug 11, 2013 | Shimano XTR Hollowtech II Mountain Bike...

1 Answer

Should there be a coverplate between the peddle arm and the crank bearing.(left side)

According to a simple web search the bike has Shimano M442 cranks which one link says are square-tapered. You can live without a dust cap if that is all that's missing but it should look like whatever is on the right side unless someone has been changing things.

One on eBay says it Octalink(tm)

Click on the pictures for blow-ups.

If THAT bolt is missing don't ride the bike until it is replaced and properly tightened. In fact, get it evaluated by a bicycle shop becaus e a crank ridden without the bolt will eventuall loosen enough to wear out the surfaces that mate it to the bottom bracket.

Aug 13, 2011 | Norco Pinnacle


How to Use a Cotterless Crank Puller Tool

How to Use a Crank Puller Tool

  • Crank pullers are commonly used to remove the crank arm from many types of exercise bikes. The tool can be used on most brands of indoor cycles and stationary upright or recumbent bikes. This tool cannot be used on bikes equipped with a 1-piece crank arm.
  • Using the crank puller is simple and easy; Start by removing the crank arm bolt.
  • First you will need to remove the plastic crank bolt cover from the crank arm to access the bolt. This can be done using a flat head screwdriver or a penny from your pocket.
  • Remove the crank arm bolt. This can require a hex wrench or a socket wrench.
  • Next, thread the crank puller tool into the crank arm in place of the crank bolt cover. Thread the tool into the crank arm several threads. It may be necessary to use a wrench to tighten further.
  • Now that you have this part of the tool threaded into the crank arm, turn the handle on the tool. As you continue to turn the handle of the tool, this pulls the crank arm off the bottom bracket shaft.

How to Use Cotterless Crank Puller Tool

on Mar 11, 2015 | Exercise & Fitness

1 Answer

Trying to get the crank set off of the shaft. I have the dust cap off, Im not sure about the nut i guess. Does it take a large allen wrench and twist out? I have a Mesa Gs

after u take off out the bolt ( or nut) ,you need a specialty tool that screws into where the dust cap was then you tighten the bolt in the center..and it pulls it off the crank...they were about $10 thirty years ago, not sure about now good luck

Jun 16, 2011 | Schwinn Mesa Gs Mountain Bike

1 Answer

Hello, I have a very old schwinn bike and I need to replace the pedal arms. How do I get them off?

To remove 3 piece crank arms you will need a special tool called (fittingly) a crank puller. It threads into the arm and a center "bolt" torques into the spindle and pulls the arm off.

Sep 09, 2010 | Schwinn Cycling

1 Answer

How to disassemble crank bearing on Schwinn Mesa Mountain Bike

You wil need a couple of special tools, or be fairly creative with the tools you have.
  1. remove the dustcovers in the crank arms at the crank axle
  2. loosen the crank retaining nut/bolt.
  3. thread in a chank puller and pull the crank arms.
  4. remove the lock ring on the adjustable side of the crank axle (Requires lock ring wrench)
  5. remove adjustable bearing cup.
  6. remove axle and bearings
  7. replace or repair as needed.
Once you have it opened up ou can determine if you need new bearings or crank axle.
to assemble, reverse above procedure, insuring bearing play is minimalized.

Hope this helps.

Apr 16, 2009 | Schwinn Mesa Gs Mountain Bike

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