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444 Case Hyd. pump


 
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don v
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Joined: 18 Feb 2008
Posts: 62


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PostPosted: Fri Apr 25, 2014 6:49 am    Post subject: 444 Case Hyd. pump Reply to specific post Reply with quote

Friend of mine says the hyd. pump on his 444 is squaling when in travel position. Wants to know if repair parts for rebuild are avaliable or where to buy a replacement pump. Since the noise is when in the travel position, is it realy the pump or the travel motor? This tractor has 3 point hitch if that makes any difference. THANKS
 
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Tom Arnold
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Joined: 23 Aug 2007
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PostPosted: Fri Apr 25, 2014 2:01 pm    Post subject: Re: 444 Case Hyd. pump Reply to specific post Reply with quote

I need the serial number off the ID plate on the dash.

Pump squeal is not unusual. Before he condemns the pump, he should crawl underneath and chase the two steel lines that go to the rear PTO valve. Look to see if they are touching one another or touching the tractor.

If so, then get some short lengths of heater hose and slit them lengthwise. Slide these short lengths over the steel lines and position them where the lines are contacting other parts. Zip Tie them tightly into place and then Zip to the line to something solid.

In order to determine if the pump is actually bad, he needs a 5000 PSI glycerin filled pressure gauge along with some high pressure hose and fittings. No point tossing a good pump if all that's wrong is pump noise being amplified.
 
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Maineman
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PostPosted: Fri Apr 25, 2014 4:13 pm    Post subject: Re: 444 Case Hyd. pump Reply to specific post Reply with quote


Now, that is interesting!
I had not considered that.
I think I'll have to try that on mine and see if it quiets down my drive motor noise.
Thanks for the info Tom!

Joe
 
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