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Ask Donald Your Own Question
Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1797
Experience:  I have 25+ years of experience repairing 2 & 4 cycle engines
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I replaced the right side o ring on the bottom of the hydro

Customer Question

I replaced the right side o ring on the bottom of the hydro stat. Filled with oil drove onto trailer. It will not move at all and is making a grinding sound. Done the purge thing 5-6 times and still will not move. Help
Submitted: 1 year ago.
Category: Small Engine
Expert:  Donald replied 1 year ago.

Hello. My name is***** will be happy to assist you.

Expert:  Donald replied 1 year ago.

You have a left side ZT2800 Transaxle, and a right side Zt2800 Transaxle. I need to confirm something.

Expert:  Donald replied 1 year ago.

Please click on the image below.

Expert:  Donald replied 1 year ago.

I have circled your right side transaxle. I would like to know if you replaced an o-ring on your transaxle??

Customer: replied 1 year ago.
is that the right side as you are sitting in the seat
Expert:  Donald replied 1 year ago.

Thank you for this information. Did you have a major oil leak prior to replacing your o-ring?

Expert:  Donald replied 1 year ago.

These are only troubleshooting questions ...

Expert:  Donald replied 1 year ago.

What about your left side transaxle? Is it working as it should?

Customer: replied 1 year ago.
the right side was leaking the left side works fine.
Expert:  Donald replied 1 year ago.

Thank you for this information. I will attach another image for you.

Expert:  Donald replied 1 year ago.

Please click on the link below to open the next image.

Customer: replied 1 year ago.
It has it's own reservoir.
Expert:  Donald replied 1 year ago.

Did you add your oil directly to your transaxle, through the oil fill port, at the top of your transaxle, or through the expansion tank?

Customer: replied 1 year ago.
Thru the fill tank. I also pulled the plug out of the top of the axle until oil came out of the hole
Expert:  Donald replied 1 year ago.

Can you hold just a minute? I need to check something for you.

Customer: replied 1 year ago.
Sure
Expert:  Donald replied 1 year ago.

Thanks!

Expert:  Donald replied 1 year ago.

I am back with you. Did you put 20W50 motor oil in your transaxle?

Customer: replied 1 year ago.
I did
Expert:  Donald replied 1 year ago.

Okay ...

Expert:  Donald replied 1 year ago.

Have you noticed the condition of your drive belt? Is it as tight as it needs to be?

Customer: replied 1 year ago.
I purged it as required in the manual. And it still won't pull.
Customer: replied 1 year ago.
The belt is new
Expert:  Donald replied 1 year ago.

Was your right side pulling before you replaced the o-ring?

Expert:  Donald replied 1 year ago.

I apologize for all of the questions. I am trying to eliminate all of the possibilities.

Customer: replied 1 year ago.
I drove it on my trailer. The next day tried to get off of my trailer.
Customer: replied 1 year ago.
I appreciate your help.
Expert:  Donald replied 1 year ago.

Double check your bypass rod / lever. Let's make sure it is actually moving the bypass lever on your transaxle. We need to confirm that your transaxle is not in freewheel position.

Expert:  Donald replied 1 year ago.

Another thing to check. Check to see if your mower will roll freely with your bypass rods pulled out, then check to see if your mower will roll after you push your rods in.

Customer: replied 1 year ago.
Its engaged I have to pull it out to purge it.
Expert:  Donald replied 1 year ago.

Did you engage your parking brakes, after you drove your mower onto your trailer?

Customer: replied 1 year ago.
It rolls with the rods pulled out and not when they are engaged. Its seems like with the by pass engaged the right side turns by hand
Customer: replied 1 year ago.
I always,engage the break.
Expert:  Donald replied 1 year ago.

This is why I asked if your mower will roll, I was thinking that your brakes could be sticking.

Customer: replied 1 year ago.
Anything else
Expert:  Donald replied 1 year ago.

Based upon what you have told me thus far, I do believe our problem is external. You drove your mower onto your trailer, and now your right side will not move. I do have some suggestions for you.

Expert:  Donald replied 1 year ago.

Are you using an OEM drive belt, or an aftermarket belt?

Expert:  Donald replied 1 year ago.

Just to be sure, I suggest that you check again, to see if your mower will roll freely, if you pull out both bypass rods. Then push both rods in, and let's see if your mower still rolls freely, on both wheels, or just one side rolls. This is part of a process of elimination. Neither wheel should roll freely when your bypass rod is push in.

Customer: replied 1 year ago.
OK I will try that
Customer: replied 1 year ago.
OEM belt
Expert:  Donald replied 1 year ago.

Thank you.