Why does my Lawn Tractor shut off when hot?

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Riding Mower

Repair guides and support for riding, or ride-on, mowers, also known as lawn tractors, of all types used in tending large tracts of land.

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Mike @mikeq

Rep: 23

1

Postado: 30 de mar de 2020

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Why does my Lawn Tractor shut off when hot?

I have a White Outdoor LT-1855 H Lawn Tractor with a 18horse Briggs and Stratton engine. I started having a problem with it shutting down after running for a while. Seems to shut down when it gets hot. It will run fine and I can mow for about 15-20 minutes then it shuts off. If I wait for a while for it to cool it will crank and run for a short time (maybe 3-5 minutes) and shut off again.

I have tried to correct the problem doing the following

Changed out the Spark Plug

Changed the Ingnition Coil

Dumped the gas and put fresh in.

Changed the fuel filter

Loosened the gas cap to make sure it wasnt a faulty cap.

Pulled the Air filter to eliminate a bad clogged air filter.

Charging system seems fine getting 14 volts at the battery when running.

I am not sure where to go at this point. Any help would be greatly appreciated!

MikeQ

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To make things easier, you'd better go to a service that employs good professionals.

23 de jul de 2021 por Rachel Lawrence

To make things easier, you'd better go to a service that employs good professionals. You don't have to have them do the repairs, and there are many youtube guides for such cases. It is enough to consult them. I would recommend https://www.heming-engineering.co.uk/tra... You can also order parts through them, and they will come from there quickly and without delay. They have an extensive database of spare parts and specialists that allow them to work with any machinery. My advice for the future is to buy only original parts and service your equipment on time. That way it will last you a very long time. Any machine likes care, and if you keep an eye on its condition, it will indeed thank you. I hope you'll be able to solve your problem.

25 de jul de 2021 por Rachel Lawrence

I have the same issue and have tried.all the above including the gas line. Anywhere else.to go with it?

27 de jul de 2023 por Imzeek

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mayer @mayer

Rep: 685,5 mil

MacHale Enterprises

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1,1 mil

2,6 mil

Postado: 30 de mar de 2020

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Does it just shut off or does it sound like it starves out and quits?

UPDATE

If the gasoline vent cap is clogged your engine will run for a while but then starve out as a vacuum starts forming in the gas tank. Once it dies, air seepage into the gas tank will occur equalizing internal and external air pressure. You engine will then be able to start again. Clean the vent cap out to allow air to enter the tank as the gas is consumed and your issue may be resolved.

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Sounds like it starves out, I can hear when its starting to stall and try to keep it running by disengaging the blades and stopping the mower but it stops anyhow.

30 de mar de 2020 por Mike

When you asked your question "Does it just shut off or does it sound like it starves out and quits?" Made me realize that it was starving for fuel. Broke down the fuel line and gas tank and found small bits and pieces of rubber clogging up the tank outlet and it was into the fuel line and shutoff valve.

Thanks so much for your help!

Mike

31 de mar de 2020 por Mike

glad you found the problem

31 de mar de 2020 por mayer

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To make things easier, you'd better go to a service that employs good professionals. — Rachel Lawrence
To make things easier, you'd better go to a service that employs good professionals. You don't have to have them do the repairs, and there are many youtube guides for such cases. It is enough to consult them. I would recommend https://www.heming-engineering.co.uk/tra... You can also order parts through them, and they will come from there quickly and without delay. They have an extensive database of spare parts and specialists that allow them to work with any machinery. My advice for the future is to buy only original parts and service your equipment on time. That way it will last you a very long time. Any machine likes care, and if you keep an eye on its condition, it will indeed thank you. I hope you'll be able to solve your problem. — Rachel Lawrence
I have the same issue and have tried.all the above including the gas line. Anywhere else.to go with it? — Imzeek
Sounds like it starves out, I can hear when its starting to stall and try to keep it running by disengaging the blades and stopping the mower but it stops anyhow. — Mike
When you asked your question "Does it just shut off or does it sound like it starves out and quits?" Made me realize that it was starving for fuel. Broke down the fuel line and gas tank and found small bits and pieces of rubber clogging up the tank outlet and it was into the fuel line and shutoff valve.

Thanks so much for your help!

Mike — Mike

Riding Mower

Why does my Lawn Tractor shut off when hot?

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