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JD 4430 brakes squeeling right above pedals


 
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Reid1650
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Joined: 05 Mar 2009
Posts: 462
Location: Louisville,Ky

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PostPosted: Wed Oct 10, 2012 11:31 pm    Post subject: JD 4430 brakes squeeling right above pedals Reply to specific post Reply with quote

I have a JD 4430 everything works great, even the brakes. After about 30 mins of the tractor running the box where the shafts from the brake pedals goes into starts whining. Anybody have any knowledge on this issue? Thanks
 
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Tx Jim
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Joined: 14 Feb 1999
Posts: 17180
Location: Coyote Flats,Tx

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PostPosted: Thu Oct 11, 2012 2:01 am    Post subject: Re: JD 4430 brakes squeeling right above pedals Reply to specific post Reply with quote


I haven't witnessed this but it's possible that the strainer(parts key #42) has some debris in it or an o-ring is leaking in housing.

I also wonder if noise could be coming from the brake accumulator??

 
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Walt Davies
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Joined: 13 Oct 2004
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PostPosted: Thu Oct 11, 2012 9:05 am    Post subject: Re: JD 4430 brakes squeeling right above pedals Reply to specific post Reply with quote

Don't use it have it repaired first before it ruins the brake system. Your brakes use the trans pressure to operate the brakes if the valve goes bad it will keep some pressure on the system and wipe out your brakes
Walt
 
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Tx Jim
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Joined: 14 Feb 1999
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Location: Coyote Flats,Tx

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PostPosted: Thu Oct 11, 2012 12:18 pm    Post subject: Re: JD 4430 brakes squeeling right above pedals Reply to specific post Reply with quote

Walt Davies wrote:
(quoted from post at 13:05:37 10/11/12) Don't use it have it repaired first before it ruins the brake system. Your brakes use the trans pressure to operate the brakes Walt


Walt
4430 utilizes frt pump pressure @ 2250 psi if set to factory spec's.
 
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