Question about Stairmaster Stepmill 7000 Pt

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I have a Stepmill 7000pt, and every now and then a rod that holds the steps together snaps. It appears to be off center. If you are standing on the machine, the left shaft of the upper sprocket assembly seems to be smaller where it fits into the Pillow block bearing. The shaft does not fit snug and the set srew push it off center, and It is all chewed up and wants to keep slipping inside. Am I missing something in that bearing that keeps that shaft centered?

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Posted on Jan 02, 2017

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SOURCE: Breaker keeps tripping on the machine

Open the right side panel and look at the wiring coming through from the bottom outside panel. Move the stairs by hand and see if the corner of the stair touches the wires coming through the from the bottom panel. If so your chains have stretched and need to be adjusted. The wire harness will also need to be replaced.

Posted on Apr 28, 2009

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SOURCE: STAIRMASTER 4600CL RIGHT PEDAL LOSES RESISTANCE AND SLIPS

http://support.nautilus.com/support/stairmaster.jsp?lid=StairMaster you can download and view all manuals here. If by drive sprocket you mean the hub that both step chains go over.....replace the entire hub. faster easier and less hassle. cost difference is about 40 dollars.

Posted on Sep 01, 2009

  • 48 Answers

SOURCE: steps slip

need transmission gear ,bearing or belt

Posted on Mar 20, 2010

  • 30 Answers

SOURCE: stairmaster stepmill 7000pt all pwer

console could be defective try to diagnose it by entering diagnostic codes from your manual
also check the mechanical parts inside , a hinge rod could have slipped out and has pinned the entire stairs

Posted on Feb 03, 2011

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The buttons on the console don't work. Can't change levels


If the buttons are not reacting, it could simply mean that the overlay/keypad is worn out. The following link will take you to a few of the options available for your model. Stairmaster Stepper 7000PT Stepmill Parts Transmission SPORTSMITH net

Dec 09, 2015 | Stairmaster 7000PT Nautilus Stepmill

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Steps out of alignment


About This Video

This video covers replacing the plastic step tread on the Stairmaster SM916 and 7000PT Stepmill. (The procedure shown for the plastic step tread replacement can also be used for the Stepmill and Gauntlet.) Remember that if replacing one step tread, all step treads should be replaced. A general rule if one tread is worn it is likely all other treads are worn in the same manner.

Tools Needed: Rivet Fastener Removal Tool, Safety Goggles, Snap Ring Pliers (Gauntlet, Stepmill and 7000PT may require a 1/2 inch Nut Driver or 1/2 inch Wrench instead of Snap Ring Pliers), Clean Rag, Flat Head Screwdriver, 1/2 inch or 12mm Deep Socket, Rubber Mallet
Begin by removing the side cover for access to the step shafts. Then position the steps as if you were going to step up on the unit.
Start by removing the snap ring or nut from the step shaft. Inspect the snap ring (if equipped) and replace with new if over sprung. Lift slightly on the step to remove the bearing and outside washer. Keep note the orientation of parts for reassembly. Push against the step shaft so as to push it out through the other side. There is another washer on the inside of the chain link. Continue pulling the step shaft out.
Once you have the step shaft half way out, you can get your hand inside to hold the step up. Then go ahead and pull the step shaft the rest of the way out. You can rest the bottom portion of the step on your knee and gently fold the top portion under.
You will need to remove your knee so that the bottom portion of the step can be flipped so that the plastic tread is against the floor.
Using the flat head screwdriver, remove and discard the 10 pushnuts affixing the plastic tread to the step. Remove the old plastic tread.
Put the new plastic tread in place so that the 10 plastic ribs are facing up through the metal step.
Next, using the 1/2 inches or 12mm deep well socket and rubber mallet install the new pushnuts. Place a new wave washer and pushnut over each plastic rib. Place the socket over new wave washer and pushnut. Using the rubber mallet, tap against the socket to pop the new pushnut into place. Repeat for all 10 pushnuts.
After replacing the plastic tread, it is time to reinstall the step shaft.
Reinstall the step shaft from the side it was removed. Get the step shaft started into the chain. Be sure to reinstall your washer between the chain link and the step assembly. Lift up on the step and push the step shaft into the first part of the hinge (about 2 inches). Align the bottom portion of the step with the top portion and continue pushing the step shaft through. You want to be sure that you have reinstalled the washer between the step and chain link on the other side. Now that the step shaft is in place, you should reinstall the outer washer, the step shaft bearing, and lastly the nut or snap ring.
Roll the steps down to the next step and repeat. Continue with the process until all 8 step treads have been replaced.
Plastic Tread Replacement Video for Stairmaster Stepmills SM916 7000PT

Jan 11, 2014 | Stairmaster 7000PT Nautilus Stepmill

1 Answer

My stairmaster will not rotate


Check the following video out for some troubleshooting steps regarding this issue.

Stairmaster Stepper 7000PT Stepmill Parts Transmission SPORTSMITH net

Dec 19, 2013 | Stairmaster Stepmill 7000 Pt

1 Answer

Stepmill 7000pt is free spinning and has no resistance.


How to Test the Relay Board on Stairmaster 7000PT Stepmill How to Test Relay Board of a Stairmaster Stepmill 7000PT Disconnect power from the machine.
Disconnect the main cable from the relay board J1 terminal. Main cable should remain disconnected for the duration of the relay board tests.
With the Power ON, place a jumper wire across the GND/BLK and RLY/RED test points. (Ensure jumper wire only makes contact with the designated test points.)
  • Verify that the Relay LED is lit. Remove jumper wire.
With the Power ON, place jumper wire across the +/WHT and FLD/BRN test points. (Ensure jumper wire only makes contact with the designated test points.)
  • Verify that the Field LED is lit. Remove jumper wire.
With the Power ON, place jumper wire across the +/WHT and with the other end touch the ALT/C, FLD/NC, and RES/NO.
  • Verify that the Field LED lights.
If any of these jumps fail, replace the relay board and or power supply. Stairmaster Stepmill 7000PT Electronic Testing of Relay Board



The second link will take you to the service manual. Starting on page 13, you will find some more valuable information on the relay board. Last link will take you to a video on how to test the alternator
Video about Performing Jumper Test on Stairmaster Alternator

Mar 12, 2013 | Stairmaster 7000PT Nautilus Stepmill

1 Answer

Stepmill has no resistance when starting


First thing you'll want to do is check the alternator brushes. Here's a link to the different types offered for the Stairmaster 7000PT:


Repair Parts for Stairmaster Equipment Batteries Springs Belts Chains...


If the brushes look like they are in good condition you can also test the relay board. This link will take you to the procedures for checking the relay board:


Stairmaster Stepmill 7000PT Electronic Testing of Relay Board

Nov 06, 2012 | Stairmaster Stepmill 7000 Pt

1 Answer

My stairmaster 7000pt step is grinding and slipping


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Jan 28, 2011 | Stairmaster 7000PT Nautilus Stepmill

1 Answer

Stairmaster stepmill 7000pt all pwer is on but will not start the stairs


console could be defective try to diagnose it by entering diagnostic codes from your manual
also check the mechanical parts inside , a hinge rod could have slipped out and has pinned the entire stairs

Jan 14, 2011 | Stairmaster Stepmill 7000 Pt

1 Answer

I have problem with master console of step mill 7000 pt stair master


If you have a Stairmaster Stepmill 7000PT that has an older style console with the red LEDs and you want to upgrade to the newer, console with the blue LCD; the parts necessary for this upgrade include the console and the console cable.

Stairmaster Stepmill 7000PT Console Upgrade
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