Tip & How-To about Stairmaster 4000PT Stepper

Replacing a Pedal Arm Return Spring on the Stairmaster 4000PT Stepper How To Replace a Spring on Stairmaster 4000PT Remove bottom cover. Unhook the pedal arm return spring from the spring hanger. Detach the spring from the step chain by removing the master link. The spring-chain connector is in good condition if it has an hour glass shape. Replace a worn spring-chain connector. Check to ensure that the spring pulley turns freely and is not worn excessively. Refer to the "Spring Pulley" section if you have to replace the pulley. To reinstall th spring, connect it to the end of the step chain using the master link. Route the spring under the spring pulley. Hook the end of the pedal arm return spring onto the spring hanger. WARNING: Do not twist the spring during installation. It will wear excessively and reduce the life of the spring. How to Replace Pedal Arm Return Spring on Stairmaster 4000PT

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need battery, 4000PT


If you have a 4000PT, chances are, you do not have a battery. This machine requires and external power supply. These can be viewed on our Website. Stairmaster Stepper 4000PT Parts Power Supply Spring Hub SPORTSMITH net

Oct 11, 2012 | Stairmaster Remanufactured (4000PT)...

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stairmaster 4000pt pedal slips


Why does one pedal drop on my Stairmaster Stepper but the other pedal operates correctly? Stairmaster Steppers, How to Troubleshoot when one Pedal Drops (Loses Resistance) while the Other Pedal Operates Correctly
  • If one pedal drops while the other operates correctly on your Stairmaster stepper, this problem commonly occurs when the drive sprocket on one side or the other becomes defective
  • Usually, when one drive sprocket fails, the other isn't too far behind
  • The best approach to resolve this problem is to install a new hub assembly
Why does one Pedal Drop on my Stairmaster Stepper

Jul 07, 2012 | Stairmaster 4600PT Stepper

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