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1886 Hydro Oil Change Question


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#1 U118224 OFFLINE  

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Posted August 12, 2016 - 02:20 PM

I'll be changing the hydro oil in the Sunstrand 15. Is it common- advisable to blow out the lines also? It currently has what looks like atf in it, I plan to replace it with hydraulic fluid. just curious. Thanks.
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#2 BolensChrisUK OFFLINE  

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Posted August 12, 2016 - 02:27 PM

Just done mine & its transformed the drive & the lift ram for the deck

 

Changed the filter also

 

Only put ATF red oil in. Nothing else approx 8/9 Litres


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#3 wilberj ONLINE  

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Posted August 12, 2016 - 04:39 PM

If you put ATF back in it you don't have to clean the lines.  But if you change what will be in it from before I would flush the lines.  


Edited by wilberj, August 12, 2016 - 06:47 PM.

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#4 WrenchinOnIt OFFLINE  

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Posted August 12, 2016 - 04:56 PM

Just to add, you'll have to break the connections at the lift cylinder and stroke it manually several times to displace the ATF. I upon a refurbishment or restoration when everything is open and apart, thoroughly purge all systems of ATF and flush it out, unless that happens it's almost impossible to get all of it out. Some mfg'ers advertise universal hydraulic fluid that is made to mix and match if necessary, I'm old school so it's completely out with the old if converting. IMO stick with ATF unless you intend to get in deep.
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#5 U118224 OFFLINE  

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Posted August 12, 2016 - 07:17 PM

If I stick with atf in a Sunstrand 15, which formula do I use? Thank you.

#6 WrenchinOnIt OFFLINE  

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Posted August 14, 2016 - 08:52 AM

If flushing out and going with a universal I can recommend (http://wolfshead.com...fluid-5-ga.html.
I use Brad Penn universal 7352, but it's harder to find.
If sticking with ATF I now use http://www.lsc-onlin...ctor-fluid-red/
I've also used Ford "Type F" Valvoline brand http://www.valvoline...products/type-f
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#7 U118224 OFFLINE  

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Posted August 14, 2016 - 09:12 AM

Thanks for all the replies, I appreciate it.
This is a very helpful community.




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