I mispoke in my earlier question X9 Life fitness elliptical needing to partially disassemble

Sup, my elliptical-lovin' friend! Taking apart the Sole E25 Elliptical is actually pretty easy-peasy. Here's what you need to do:
1. Unplug the machine from the wall outlet and move it to an open area where you have enough space to work.
2. Remove the covers that are located on the base of the machine. These covers are held in place with screws that you'll need to unscrew using a standard Phillips head screwdriver.
3. After the base covers are removed, you'll see the ramps that hold the pedal arms. Use a wrench to remove the bolts that hold the ramps in place.
4. Next, remove the pedals by loosening the bolts that hold them onto the pedal arms. Once the bolts are removed, the pedals should slide right off.
5. Finally, remove the console and the handlebars by loosening the bolts that hold them onto the upright post.
And that's it! You've successfully disassembled your Sole E25 Elliptical. When you're ready to put the machine back together, just reverse these steps. Easy peasy, lemon squeezy!
One last tip: make sure to keep all of the screws and bolts in a safe place so that you don't lose them. Trust me, you don't want to be stuck searching for a missing bolt when you're trying to put the machine back together. Happy disassembling!

It sounds like the resistance on your Life Fitness X7 elliptical is set too high for the machine to be used effectively as a warm-up tool. There are a few things you can try to adjust the resistance on the machine.

• Check the user manual that came with the elliptical to see if there are any specific instructions for adjusting the resistance.
• Check the resistance settings on the dashboard to ensure that they are set to the correct level.
• Check the resistance adjustment knob or lever to ensure that it is not stuck or jammed in place.
• Check the belt tension on the elliptical to ensure that it is not too tight.
• Check to ensure that there is no debris or dust in the resistance mechanism.
• If the issue still persists after trying the above steps, it may be best to contact Life Fitness technical support or consult a technician for further assistance.

It is also a good idea to inspect the machine overall for any damage or wear.
If all else fails, the used elliptical may have a defect or may not be compatible with your needs. You may need to consider purchasing a new one or a different model for your clients warm-up needs.

see if this link helps you out.
life fitness 95xi elliptical screen not powering up Google Search

The battery is located in the front of the rear drive mechanism. It is mounted just below the alternator control board. The following video shows the battery location along with the battery replacement procedure. Battery 6 Volt 2 5 Amp Hr LifeFitness 0017 00003 0685 SPORTSMITH net

You may still have the original tie rod design on your machine. If so, more than likely this is your problem. The link below is the updated fix for the original design.

Control Link Kit LifeFitness GK62 00002 0071 SPORTSMITH net

Start with checking the voltage output from the battery.

Video about How to Test Battery

If it clunks once per revolution, it could be the crank bearings. The brake would make a more rapid noise due to the way it is geared.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/russell_1d1c35fa8a5a0be4

You can use the link below to purchase a suggested form of lubrication. You may end up needing to replace a bearing or bushing.
Silicone Spray Lube by SPORTSMITH 9 Oz SPORTSMITH net

How to Lubricate an Elliptical Fitness Exercise Equipment
Please follow this steps, and Good luck.
Blessing.
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u open top rear hood and you will see battery on there