Hydraulic Whine in cold weather.

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wdchuck

wdchuck

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Farm store was where I found my dipstick and magnetic heaters. Cheap too. I had to curve it to get it in far enough.

A greener solution might be to park it outside on some black plastic or black plywood, then cover with clear plastic like the 3mil stuff and let the sun do the work.

Lots of ways to do it.
 
stihl sawing
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SS.

2-4 quarts of plain old ATF should shut it up.
Just gotta thin the hydro down a smidge.

Mine did the same thing when it got down to around 20 the first time.
couple quarts of ATF did the trick and it's good down to -10 without heating it.

One thing though, swap out the filter just in case.
It's at the lowest point and might very well have some ice in it.;)

Stay safe!
Dingeryote
It was 45 this afternoon and it was doing the noise, Now i could help by rolling it out in the sun. I have some atf fluid, I'll check for the friction modifiers in it before i use it. Still gonna call about a magnetic or dipstick heater. Supposed to get cold here in the next few days.
 
stihl sawing
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Farm store was where I found my dipstick and magnetic heaters. Cheap too. I had to curve it to get it in far enough.

A greener solution might be to park it outside on some black plastic or black plywood, then cover with clear plastic like the 3mil stuff and let the sun do the work.

Lots of ways to do it.
TSC would probably have one, We have a coop store here i will try first.
 
dingeryote

dingeryote

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It was 45 this afternoon and it was doing the noise, Now i could help by rolling it out in the sun. I have some atf fluid, I'll check for the friction modifiers in it before i use it. Still gonna call about a magnetic or dipstick heater. Supposed to get cold here in the next few days.

LOL!! no ice issue then.

It's either cavitation at the pump, or elsewhere.

45 degrees shouldn't be cold enough to gel the hydro that bad though.

Does the whine go away when you work the control, or does it just change pitch?

Stay safe!
Dingeryote
 
stihl sawing
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LOL!! no ice issue then.

It's either cavitation at the pump, or elsewhere.

45 degrees shouldn't be cold enough to gel the hydro that bad though.

Does the whine go away when you work the control, or does it just change pitch?

Stay safe!
Dingeryote
Changes pitch, It wii eventually go away after it warms up. I keep it in a barn wing and it don't get any sun on it so the fluid gets cold. Also am splitting in the wing in the shade. You guys have give me a lot of ideas to try, I really appreciate it. I will do something before i use it again. Don't wanna burn it up. It's usually 90 to 100 degrees when i use it.
 
04ultra

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Yes. Try to put a blanket or something to hold in any heat you produce so it all goes to heating the tank as soon as possible. Also, put a piece of cardboard or plywood on the floor or ground before you start heating with the lamp as the ground will draw the heat away. Heat goes to cold regardless of direction.

I've used a 500watt halogen worklight, although its slower, it made a positive difference after a couple hours.

Mike does your wife know you take her heated blanket out side for the splitter???





Only a few things I need for Christmas.......I wont tell her...;);)


.
 
wdchuck

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Mike does your wife know you take her heated blanket out side for the splitter???





Only a few things I need for Christmas.......I wont tell her...;);)


.


Hey, that's a great idea actually. Or even some heat tape like folks use on water pipes. Heated floor mats would work too, they are small like the side of the tank, 1'x2' at an office supply store maybe. Radiant space heater.
 
Captain Crunch

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Filters on the suction side are a pet peeve of mine, hydraulically speaking. Pumps do not like any resistance on the suction side. Cool oil (not even cold, just cool, like 30's and 40's) makes a huge difference in performance as well.

A recent experience testing a hydraulic system showed very significant reduction in performance at 60 deg F, with the oil having to be over 95 deg to achieve near full performance.

So, temp is a big deal and the effect is doubled by the suction side restriction caused by the filter. All of our systems (marine hydraulics) use return oil filtration, 10 microns. On systems with electro-proportional valves for variable speed control, we also will have a 10 mircon pressure side filter, but splitters do not typically use this technology.

Protecting the pump is typically cited as the reason for a suction side filter, but really the trick is to make sure the system is clean at startup, then you don't need to worry about protecting the pump with a suction side filter. Most filters have a built in bypass to protect the filter from blowing off with cold oil and therefore can handle being used as a return oil filter. The filter manufacturers websites list the tech specs that can be used to determine if this is the case.
I plan to convert my brother inlaws homebuilt splitter to return oil filtration before my next start up as it whines constantly as well.

For what it's worth, I agree with those that said the whine is likely pump cavitation (vacuum bubbles popping on the pistons during the intake stroke) and is a long term issue. It is unlikely that you will burn up you splitter doing the 3 cords you have. Reducing engine RPM would be the best thing for warm up, but if it is fixed throttle, so be it.
 
dingeryote

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Changes pitch, It wii eventually go away after it warms up. I keep it in a barn wing and it don't get any sun on it so the fluid gets cold. Also am splitting in the wing in the shade. You guys have give me a lot of ideas to try, I really appreciate it. I will do something before i use it again. Don't wanna burn it up. It's usually 90 to 100 degrees when i use it.

Sounds like it's at the pump then.
Katz heaters are da bomb..and made in Ooosa.

Stay safe!
Dingeryote
 
greengoblin

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I personally would start by putting some lighter weight oil in there myself SS. Around here, we have I believe 68, 46, and 32 weight oil. The 68 pours slightly worse than frozen honey at about 35 degrees while the 32 pours much better, like hydraulic oil should. In your neck of the woods, I would discourage adding any ATF to thin down the oil. The reason, once you try to use that oil to split in 100 temps you might as well be using water in tank. The oil ,in my opinion, will be much to thin to produce much power. I would agree with finding a way to keep the oil warm or a way to warm it first, much like a block heater on a diesel.
 
stihl sawing
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Ok, One more question, If i put ATF fluid or even change to lighter oil, Will i have to change it back in the summer. I don't split much in the winter. This is a first and i only have about three cords to do. If so i'm probably gonna look for a heater, I'll call The local Coop here and see what they have. May have tobuy one at TSC, Tryin to stay out of that place. Not good experiences there. Now if it's safe to run in the splitter in the summer time, I will do that. I just hate to buy five or six gallons of fluid for about five or six hours work. Once again thanks and you guys are the best.
 
dingeryote

dingeryote

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Ok, One more question, If i put ATF fluid or even change to lighter oil, Will i have to change it back in the summer. I don't split much in the winter. This is a first and i only have about three cords to do. If so i'm probably gonna look for a heater, I'll call The local Coop here and see what they have. May have tobuy one at TSC, Tryin to stay out of that place. Not good experiences there. Now if it's safe to run in the splitter in the summer time, I will do that. I just hate to buy five or six gallons of fluid for about five or six hours work. Once again thanks and you guys are the best.

SS,

Shouldn't be an issue adding just a couple quarts.

Autozone, Napa, and autovalue should have the Katz heaters if you would like to stay out of TSC.

Stay safe!
Dingeryote
 
cameron2171

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Well, I ain't got a heater like that, Guess i could get some thinner fluid. That's gonna be a pain though. Guess it's better than burning up the system. I just need to split about three cords. Would a heatlamp work if placed close facing the tank. The tank is big though.

just use a hair dryer and aim it at the tank for a while, thats what i did it works great.
 
stihl sawing
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SS,

Shouldn't be an issue adding just a couple quarts.

Autozone, Napa, and autovalue should have the Katz heaters if you would like to stay out of TSC.

Stay safe!
Dingeryote
Matter of fact, I have two quarts sittin on the shelf. I will put that in it and try it. If it still is loud, i'll look for a heater.
 
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