NH TC29D Oil cooler hoses breaking

   / NH TC29D Oil cooler hoses breaking #31  
Go with NH originals and change when you first see cracking, which might be more or less frequently than annually.
 
   / NH TC29D Oil cooler hoses breaking #32  
</font><font color="blue" class="small">( Anyway, I will get some new hoses tomorrow, anyone have some input on replacements, or just go with NH originals and change annually or so? )</font>

If it were mine, I would replace the factory hoses with better high pressure hydraulic lines and make it a permanant fix instead of messing around with the originals every time you turn around.
But thats just my opinion..
 
   / NH TC29D Oil cooler hoses breaking #33  
</font><font color="blue" class="small">(
If it were mine, I would replace the factory hoses with better high pressure hydraulic lines and make it a permanant fix instead of messing around with the originals every time you turn around.
But thats just my opinion.. )</font>


The hoses are only about 4" long with a 90degree bend in them. I believe the reason the hose is there is for vibration. I am not so sure I would replace with rigid lines. The replacement hoses I got from New Holland seems to be holding up better than the original ones. Not sure if they made some changes in design or what, but time will tell.

murph
 
   / NH TC29D Oil cooler hoses breaking #34  
I have a parts manual for my tractor and it shows part # 86526991 and when I called my local dealer they said that part # had been superseded by # 86540861 and they had two on the shelf. I had a friend pick them up on the way over to the house so I now have two new ones on the kitchen table to install when I get home. $7.96 each.

Our local hydrualic service guy (Industrial Rubber and Gasket) was just in my office and we looked at the problems and I asked him for suggestions.

He did not have anything that he felt would readilly replace the factory stuff. He had all kinds of alternatives had it been 3/4".

He and I both felt that hopefully, the new part # was an indication that they had upgraded the part, then again, it could just be a different computer system or such or the fact that my parts manual, and tractor are older.

New ones on tonight, will keep a close eye on them bad boys, and hope like heck they do not blow on a customers yard.
 
   / NH TC29D Oil cooler hoses breaking #35  
</font><font color="blue" class="small">( The hoses are only about 4" long with a 90degree bend in them. I believe the reason the hose is there is for vibration. I am not so sure I would replace with rigid lines )</font>

On my tractor.. a NH 7610s ( just a tad bigger than a tc 29 /forums/images/graemlins/smirk.gif ) The dealer used 2 wire hyd lose.. and made a loop to accomodate the bend. Zip tied it together and they look great.. no vibration issues.. no cracking.. and I know the oil pump will never blow those lines!

Soundguy
 
   / NH TC29D Oil cooler hoses breaking #36  
</font><font color="blue" class="small">( The hoses are only about 4" long with a 90degree bend in them. I believe the reason the hose is there is for vibration. I am not so sure I would replace with rigid lines. The replacement hoses I got from New Holland seems to be holding up better than the original ones. Not sure if they made some changes in design or what, but time will tell.
)</font>

Murph,
I'm talking something more along the lines of what Soundguy mentioned in his last post. Using all high pressure rubber line.
Or 2 short pieces of high pressure rubber line with a 90 degree elbow in the middle.
Either way it would be a much stronger,more permanate fix than the factory supplied hoses and still be protected from vibration..
 
   / NH TC29D Oil cooler hoses breaking #37  
Soundguy,

I had to use a temporary also while my dealer was out of stock and I did use the loop however there was not much room to do that on my 29. I was not comfortable leaving it that way but your right, if you could do it that would be the best. On the larger tractors maybe you can do easily.

Vince,

I guess I kind of took your post as using ridgid all the way. Maybe the rubber isn't there for vibration just not sure. But using rubber a good distance may be a better fix than the New Holland hoses.


murph
 
   / NH TC29D Oil cooler hoses breaking #38  
Soundguy, did you (or your dealer) just leave the ends "raw" for lack of a better term?

And to make sure I am understanding, you took say a 1' length of hose, and basicly made it make a circle down, then back up to plug into the bottom of the cooler?

Sounds like my next approach if these new ones fail.
 
   / NH TC29D Oil cooler hoses breaking #39  
The dealer did it. My oil cooler on my 7610 is a tad different that the smaller units. Ther is a loop in and out from the small cooler unit. And unlike the smaller units.. there is quite a bit of room up front under the nose of the tractor. Looks just like hyd crimp on ends ( looks that way anyway? ). For all I know that is the stock setup on the larger tractors.. or the dealer could have come up with that 'fix' himself. He's a great guy, and I've never had a repair sent back to his shop.

Soundguy
 

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