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| jbirnsch
10-27-2009 11:16:16
64.215.193.254
20942
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Usually these fords with the 401 engine are a solid tractor. The hydraulic pump can be removed from the side of the transmission. You have to remove the remote valves and disconnect all the hoses/pipes to the side cover. It is best to remove the entire rear wheel to gain access to it. We did this on our 9000 this spring. See the photo in the link:
http://www.tractorshed.com/gallery/trouble/r5089.jpg
Before removing the pump I would do a pressure check of the low pressure hydraulic system. There is a 1/8 NPT port on the pump cover that you can screw a 500 PSI gauge into it. If your pressure drops below 100 PSI with DP in high or low and the diff lock engauged and also depressing each brake petal you either have a weak pump or a leak in one of the low pressure systems.
The DP clutch pack can be acessed by splitting the tractor. There are special tools to take the clutch pack apart that any reputable Ford NH dealer should have. If you take the DP clutch out, take it to your dealer and depending on whats wrong with it it can cost anywhere from $800 to $1500 to repair. If the dealer does the work expect $4000+. If you slipped the clutch pack and warped the steel plates it will cost more.
Jason
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| jim in can
10-28-2009 03:48:44
74.220.174.106
20944
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Re: tw35 dual power in reply to jbirnsch, 10-27-2009 11:16:16
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| actually the low pressure pump is sandwiched between the pto clutch and the transmission on this model, have been told by dealer guy that I will have to spit tractor at rear end to get at this pump. have split a 7710 before so the 35 is the same process just a whole lot heavier! thanks for the info!
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| Blue Buddy
11-01-2009 08:35:20
67.220.45.221
20949
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Re: tw35 dual power in reply to jim in can, 10-28-2009 03:48:44
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| before you go tearin it down, quik check here, pull the screen in the feed fitting of the dual power and check for dirt plugging it, you would be surprised how a bit of dirt in that screen can cause troubles. where line from rear attaches to dual power valve, remove the line, a screen is inserted in the fitting of the dual power
hope this helps
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| jim in can
11-12-2009 05:49:08
74.220.174.106
20959
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Re: tw35 dual power in reply to Blue Buddy, 11-01-2009 08:35:20
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| Well between rebuilding a tw30 motor that had a oil pump failure and all my other farm related stuff. I broke down and sent the tw35 to the dealer shop-said had time to work on it,claims the dual power housing needed replacing,well it has been two weeks since and only answer I get is still waiting for parts!I get the impression that NH does not want to support the older lines?maybe hoping I will fall for a new tractor? only problem in that logic- it won't be Blue! well back to trying to hang more weight on my 9600 in order to get my fall work done before winter sets in!
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