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Concerns a cub cadet zero turn Tank. Afte 45 minutes, the

Customer Question
concerns a cub cadet zero...
concerns a cub cadet zero turn Tank. Afte 45 minutes, the drive belt starts slipping, overheats and stretches. One of the pulleys has got to be seizing unless it is my hydro which is seizing up and causing the belt to burn, stretch and slip. any ideas?
JA: Do you have fuel in the tank? If so, is the shut-off valve open and the fuel clean?
Customer: yes,. lack of fuel is not causing my drive belts to burn up.
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: no. but before we proceed, this has gotta be with a tech who knows about cub cadet zero turn hydros.
Submitted: 2 months ago.Category: Small Engine
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Answered in 1 hour by:
9/10/2017
Technician: Donald, Small Engine Technician replied 2 months ago
Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 2,215
Experience: I have 25+ years of experience repairing 2 & 4 cycle engines
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Hello. Thank you for choosing Just Answer. My name is***** will be happy to assist you.

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Technician: Donald, Small Engine Technician replied 2 months ago

What are the model numbers for your mower? I would like to pull up a diagram of your drive components.

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Customer reply replied 2 months ago
53AH8STD050
Customer reply replied 2 months ago
with a new drive belt on, at 45 minutes of hard cutting, the belt starts slipping, until unit stops forward movement. Replacing belt fixes but one of the pulleys must be seizing and causing the burning and slipping.
Technician: Donald, Small Engine Technician replied 2 months ago

I totally agree.

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Technician: Donald, Small Engine Technician replied 2 months ago

The most likely is going to be your idler pulley.

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Technician: Donald, Small Engine Technician replied 2 months ago

Here is something I would like for you to try.

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Technician: Donald, Small Engine Technician replied 2 months ago

Remove your belt from all of your pulleys except for your engine pulley.

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Technician: Donald, Small Engine Technician replied 2 months ago

Turn or spin each of your remaining pulleys by hand, as you listen and feel for a partially seizing bearing. Bearings should always spin freely and quietly.

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Technician: Donald, Small Engine Technician replied 2 months ago

Keep in mind that a bearing that makes even a minimal sound, will get worse as it heats up and reach operating temperature.

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Technician: Donald, Small Engine Technician replied 2 months ago

Give this test a try when your bearings are cool, and again after they have reached operating temperature.

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Technician: Donald, Small Engine Technician replied 2 months ago

Sometimes the bearing on the input shaft that goes into your hydro pump will fail. With your belt off, check to see if there is an excessive play in your shaft area. Also, check to see if your pump pulley moves from side to side, or wobble.

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Technician: Donald, Small Engine Technician replied 2 months ago

Let's hope your hydro pump bearings are ok ...

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Customer reply replied 2 months ago
i am this weekend replacing both idler pulleys. and belt. after which it looks like about $1500.
Technician: Donald, Small Engine Technician replied 2 months ago

Let's hope not. Your pump bearing can be replaced.

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