Learn How To Replace a Spring on Stairmaster 4000PT stepper.
Tools:
- Phillips or Flathead Screwdriver
Procedure:
- Remove the plastic 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 hourglass shape.
- Replace a worn spring-chain connector.
- The spring-chain connector is in good condition if it has an hourglass shape.
- 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 the 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. CAUTION: Do not twist the spring during installation. It will wear excessively and reduce the life of the spring.
- Reinstall the covers.
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