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1886 Hydraulics Prob


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#1 BolensChrisUK OFFLINE  

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Posted July 03, 2016 - 10:50 AM

Hi Guys,

 

Quick question

 

My 1886 has decided it wants to struggle to lift the deck esp when its hot. Been getting worse & now you have to have the engine on higher revs & the hydraulics wine quite loud 

 

Any ideas??

 

Its there a valve in the block which can cause probs??

 

The lift cylinder is good but have a spare which has new seals which I can try but not till next week end now

 

Fitted new PTO belts today which has made a huge difference to the deck performance :dancingbanana:



#2 boyscout862 ONLINE  

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Posted July 03, 2016 - 11:08 AM

What is the condition of the fluid? Is it full? A whine usually indicates low fluid but it could be that the fluid is thin.  Good Luck, Rick


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#3 chieffan ONLINE  

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Posted July 03, 2016 - 11:59 AM

I had a 1512 Cub that did the same thing.  Tractor would drive OK but deck would not lift and wined a lot.  Changed the filter & oil and it work great now.


Edited by chieffan, July 03, 2016 - 12:00 PM.

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#4 Paulgo OFFLINE  

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Posted July 03, 2016 - 12:06 PM

I agree with him ^^^. Plugged filter would be my first thing to look at. Hopefully an easy fix.  Paul


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#5 BolensChrisUK OFFLINE  

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Posted July 03, 2016 - 02:14 PM

OK,

 

I have changed the fluid in the past few years but it has done a fair amount of mowing since

 

The drive still pulls well but can be jurky. (depends whos driving) :D

 

Sure I have a spare filter & Fluid is on the shelf.

 

Checked the level & it was spot on & was not dirty, but tbh you dont know till you drain it

 

Cant remember how mutch it holds atm but know its more than 5L??

 

Thanks


Edited by BolensChrisUK, July 03, 2016 - 02:16 PM.


#6 WrenchinOnIt OFFLINE  

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Posted July 03, 2016 - 04:43 PM

There is a proportioning valve on the early Eaton pumped large frames (my 1886-01's have them) in the bottom of the hydraulic lift and remotes valve (see pic), grit, dirt ? PITA to get to! As others have suggested check fluid, when was filter changed. Not to throw a wet blanket but the fact it gets worse as it heats up , heat thinning the fluid , it has been my experience the Eaton pump needs looked at internally.

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#7 wurzel OFFLINE  

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Posted July 04, 2016 - 02:15 PM

does that pump have a charge pump on the input shaft



#8 wurzel OFFLINE  

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Posted July 04, 2016 - 02:19 PM

this drawing of the pump and hydraulic system may be useful chris

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