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Hydraulic Fluid Recommendation


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#1 Alc ONLINE  

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Posted February 17, 2015 - 06:48 AM

I'm going change the hydraulic fluid  on my Power King , spring time or sooner . The last time I just used  AW32 from TS , I might try something a little thinner because this year using it low temps took a long time to warm up and maybe not the best thing  to be using  thought I would see what others are using .  Gear pump only controls hydraulic cylinders .   Thanks Al



#2 MH81 ONLINE  

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Posted February 17, 2015 - 07:25 AM

What are the recommendations from PK on these Al?

#3 ducky ONLINE  

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Posted February 17, 2015 - 11:02 AM

An AW15 or ATF be the next step thinner than AW32


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#4 Alc ONLINE  

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Posted February 17, 2015 - 11:41 AM

 

What are the recommendations from PK on these Al?          

The manual says " Fimite #150 API 28.8 Viscosity "   , but I have no clue what that means lol



#5 3v0 OFFLINE  

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Posted February 17, 2015 - 12:45 PM

I wonder if I am the only one who wishes all hydraulic fluid was dyed like hy-tran?


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#6 MH81 ONLINE  

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Posted February 17, 2015 - 01:05 PM

The manual says " Fimite #150 API 28.8 Viscosity "   , but I have no clue what that means lol


Yeah, not exactly helpful, is it?

I know on the Pacers and Ponys, we ran 10w oil. It's what they called for.
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#7 welder12556 OFFLINE  

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Posted February 17, 2015 - 02:10 PM

I believe John Deere "Lo-Vis" fluid should give you the performance you are looking for.


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#8 KC9KAS OFFLINE  

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Posted February 17, 2015 - 05:56 PM

Well, I had a couple of sites saved on my "desk-top" that had SAE, viscosity, and other very helpful info, but my wife cleaned up this computer and saved everything in 1 place......I found the info, but ti won't open...damn the bad luck!


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#9 KC9KAS OFFLINE  

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Posted February 17, 2015 - 06:14 PM

ISO and AW is the same and compaired to SAE.

 

visc.jpg

 

Viscosity at 100°C Viscosity at 40°C   Motor oils and hydraulic oils ISO grade SAE grade range (cST) ISO grade range 5 3.80-* 32 28.8-35.2 10 4.10-* 46 41.4-50.6 20 5.60-9.29 68 61.2-74.8 30 9.30-12.49 100 90.0-110 40 12.50-16.29 150 135-165 50 16.30-21.89 220 198-242 60 21.90-26.09 320 288-352 80 7.0-11.00 460 414-506 90 13.50-23.99 680 612-748 140 24.00-40.99 1000 900-1100 250 41.00-UP 1500 1350-1650

 

wow that really got messed up.


Edited by KC9KAS, February 17, 2015 - 06:15 PM.

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#10 KC9KAS OFFLINE  

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Posted February 17, 2015 - 06:18 PM

The manual says " Fimite #150 API 28.8 Viscosity "   , but I have no clue what that means lol

If this is the reccomendation, AW32 is the correct fluid to use.

The 32 falls in the range of 28.8-35.2 viscosity.


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#11 Alc ONLINE  

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Posted February 17, 2015 - 08:05 PM

Would that make 10w just slightly thinner then the AW32 ? And is it worth changing to that weight?

#12 MH81 ONLINE  

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Posted February 17, 2015 - 08:19 PM

It looks like the 10w oil in that chart runs from 20-30 viscosity.
If oil wasn't so expensive, it might be worth a try.
I would probably try, but only after doing a little more research.
I don't think you want to go to thin. You won't have the lift.

#13 TUDOR OFFLINE  

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Posted February 19, 2015 - 04:54 AM

I've been running with Dexron in my loader hydraulics for well over 2000 hours. It only takes a few minutes to get up to speed at -30° F after cycling all cylinders full stroke 3 or 4 times to make a bit of heat. At -10°, I only cycle them twice for the same effect, and I always cycle them at least once when the temp is below freezing.


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#14 TUDOR OFFLINE  

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Posted February 20, 2015 - 07:23 AM

I forgot to mention that the first cycle is always s-l-o-w. The second cycle is much quicker. The engine is at less than half throttle during this exercise. You make a judgement call for how much speed you are willing to live with on your first couple of lifts as to how many times to exercise the cylinders.


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