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4630 destroker screw


 
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Ikelandon
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Joined: 14 Jun 2021
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PostPosted: Mon Jun 14, 2021 2:38 am    Post subject: 4630 destroker screw Reply to specific post Reply with quote

The destroker screw on my 4630 is pouring oil out the top of the pump. I blew the line going to the cooler yesterday changed it then this started. Is the pump bad or could it be something simple?
 
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tim s
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PostPosted: Mon Jun 14, 2021 3:32 am    Post subject: Re: 4630 destroker screw Reply to specific post Reply with quote

Just an O-ring leaking, but it's a nasty job to change on the tractor..the spring and stroke valve stem will fall out...and of course oil will be running down your arm pit..
 
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Hay maker2
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Location: Western NY

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PostPosted: Mon Jun 14, 2021 3:51 am    Post subject: Re: 4630 destroker screw Reply to specific post Reply with quote

There are a couple of O-rings for the manual destroke screw that's on the top of the pump. Its a simple change.
Keep in mind that there are 2 different destroke screw that were used based upon the pump.

Is the screw back all the way out so it is against its seat? If not it will leak.
 
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tim s
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PostPosted: Mon Jun 14, 2021 3:43 pm    Post subject: Re: 4630 destroker screw Reply to specific post Reply with quote

I was thinking he was talking about the stroke adjusting screw,,on the bottom..
 
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