Question about Stairmaster 4600 Cl Cordless Freeclimber

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I just changed the alternator and diode in my stairmaster 4000pt. wires are connected per diagram and double checked with tech support. Yet when powered up, control panel appears to be working correctly, full resistance when standing on pedals ( the slowly lower to the ground with full body weight) and resistance does not change

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  • Master
  • 832 Answers

If the upper display is not give any commands for weight ,desired program and time, if these are not inputed then the resistance is high

Posted on May 15, 2010

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Posted on Jan 02, 2017

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1 Answer

Why does my stairmaster 4000pt randomly shut off


Replacement Parts for Fitness Exercise Equipment at SPORTSMITH

Check continuity of the console cable. If this checks out, open the console and look for any corrosion on the circuit board. If this seems to be the issue, you will have to find someone to repair the circuit board as they are no longer available.

You can find more parts for the 4000PT at the following link: Stairmaster Stepper 4000PT Parts Power Supply Spring Hub SPORTSMITH net

Mar 13, 2013 | Exercise & Fitness

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How do I test for continuity of the gray cable on my Stairmaster 4000PT?


Testing for Continuity of the Gray Cable on a Stairmaster 4000PT
  1. First disconnect the grey cable from the back of the console and UNPLUG YOUR MACHINE from the wall.
  2. If your cable has a 6-pin round connector, you will need to check pin sockets #5 (black wire), #3 (blue wire), #2 (brown wire) and #4 (white wire) with your ohmmeter for continuity in each pin. Should get continuity from all if cable is good.
If your cable is a 9-pin cable, you will need to check pin sockets #5 (blue wire), #3 (black wire), #2 (brown wire) and #4 (white wire) with your ohmmeter for continuity in each pin. Should get continuity from all if cable is good.

http://www.sportsmith.net/faq.aspx?did=36FBE6B5-B902-41E0-891D-11B48E2E92ED

on Mar 11, 2015 | Stairmaster 4000PT Stepper

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Alternator Belt Replacement for Stairmaster 4000PT Stepper


Stairmaster Stepper 4000PT Alternator Belt Replacement WARNING: The belts must be properly tensioned. A belt that is too loose will cause slow and sluggish operation. A belt that is too tight will cause excessive noise and belt wear.
  1. Remove side covers.
  2. Loosen the adjustment screw that mounts the alternator to the alternator brace and the pivot adjusting bolt that mounts the alternator to the frame.
  3. Pivot the alternator down and remove the belt.
  4. Make sure the is centered on the pulleys during installation.
  5. Pivot the alternator up or down as necessary to allow 1/4" (0.6 cm) of belt deflection with fingertop pressure at the midpoint between the two pulleys.
  6. Tighten the alternator adjustment bolt. Verify 1/4" (0.6) deflection in the belt.
  7. Reinstall the covers

How to Replace Alternator Belt on Stairmaster 4000PT Stepper

on Mar 10, 2015 | Stairmaster 4000PT Stepper

1 Answer

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)...

Tip

Replacing a Spring Pulley on Stairmaster 4000PT Stepper


Stairmaster Stepper 4000PT Spring Pulley Replacement
  1. Remove the bottom cover.
  2. Unhook the pedal arm return spring from the spring hanger.
  3. Remove the snap ring from th pulley shaft. WARNING: To reduce the risk of eye injury, wear eye protection when removing snap rings.
  4. Slide pulley and washer off the shaft.
  5. Before reinstalling the pulley, clean the pulley shaft thoroughly with a clean, dry cloth. Apply a thin coat of multipurpose grease to the pulley shaft.
  6. Slide the pulley and washer onto the shaft. Install the snap ring.
  7. Route the spring under the spring pulley.
  8. Hook the end of the spring over the spring hanger. WARNING: Do not twist the spring during installation. It will wear excessively and reduce the life of the spring.
  9. Reinstall the cover.

How To Replace Spring Pulley on Stairmaster 4000PT

on Mar 10, 2015 | Stairmaster 4000PT Stepper

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Is there a Quick Test I can do when there is No Resistance on my Stairmaster...


The following test will help to determine if the cause of no resistance on your Stairmaster 4000PT stepper is the console. By performing the following test, the console is eliminated from the electrical circuit. If resistance is present when the test is performed, the console is bad. Paper Clip Trick
  1. First UNPLUG YOUR MACHINE from the wall, then disconnect the grey cable from the back of the console.
  2. If your cable is a 6-pin round connector or a 9-pin square connector, using a paper clip formed into a "U" shape, insert the ends of the paper clip in the pin sockets #2 and #4. Then you will need to plug the power cord back in and start stepping. You should experience full pedal resistance.
  3. If there is still no pedal resistance, UNPLUG YOUR MACHINE from the wall and disconnect the wire from an end of the load resistor so that there is no wire attached to that end. Then plug the power cord back in and perform the paper clip test again. If resistance is present, the load resistor needs replaced. If resistance is not present, either the gray cable or the alternator is bad.

http://www.sportsmith.net/faq.aspx?did=88B6E8F1-92F8-4B60-8B2E-47911ADB84AA

on Mar 10, 2015 | Stairmaster 4000PT Stepper

1 Answer

My Stairmaster 4000 PT pedals have no resistance. I have replace the brushes on the alternator. Any ideas ?


have diode on the alternator checked , check all wiring connections to be tight, is the battery ok (6 volts ) and last check the motor control board for damage and/or electrical burn

Jan 17, 2011 | Stairmaster 4400 PT Stair Stepper

2 Answers

Stairmaster 4000pt pedals lose resistance during workout


THEIR IS A TRANSMISSION ASSEMBLY IN THIS UNIT THAT CAN FAIL.. TAKE THE SIDE PANEL OF INSPECT THE ALTERNATOR BRUSHES THEY MAY BE WORN THUS ALSO CAUSING THIS PROBLEM THE LATTER WOULD A CHEAPER REPAIR

Feb 23, 2010 | Schwinn Wide Ride Pedal

Tip

Replacing a Pedal Arm Return Spring on the Stairmaster 4000PT Stepper How To...


Replacing a Pedal Arm Return Spring on the Stairmaster 4000PT Stepper

How To Replace a Spring on Stairmaster 4000PT
  1. Remove bottom cover.
  2. Unhook the pedal arm return spring from the spring hanger.
  3. 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.
  4. 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.
  5. To reinstall th spring, connect it to the end of the step chain using the master link.
  6. Route the spring under the spring pulley.
  7. 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

on Mar 10, 2015 | Stairmaster 4000PT Stepper

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