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Author Topic: trans fluid in my hyd tank  (Read 2923 times)

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Offline Cedar Savage

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Re: trans fluid in my hyd tank
« Reply #20 on: November 23, 2012, 06:34:26 PM »
There is no diverter. Iam going to rebuild the valves. A buddy of mine has the same setup only on a timberjack works fine.but he uses hyd oil not trans fluid.
Do Clark & Timberjack have the same type of hydraulic system? You may need a power beyond coupler that fits in the end of the valve bank & allows another valve bank to attach to the system.
“They fried the fish with bacon and were astonished, for no fish had ever seemed so delicious before.”         Mark Twain

Offline Al_Smith

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Re: trans fluid in my hyd tank
« Reply #21 on: November 23, 2012, 07:45:25 PM »
those two guys are right that tranny oil is just fine in ur hydraulic... ide say its a heat issue running the loader mabie a cooler will help
Well it's a lot better in cold weather plus tranny fluid can dissipate more heat than regular hydraulic oil .

Okay another story .I worked for an electrical contractor once who was so tight you couldn't pound a flax seed up his rear end with a ball peen hammer .

So blows a main line on a Pitman Polecat II line truck ,40 gallons of type A (tranny fluid ) gone in about a minute and a half flat .Repaired the line then cheap as he was had 40 gallon of 10 WT regular hydraulic oil put in .Grand plan no .

It took 20 minute half an hour of running the stupid thing until the boom would even move .Ohio ,winter time. Lets see how this goes,foreman ,three  journeymen ,two groundman, half hour a day 5 days a week .Tight as he was he figured it out and out went the 10 WT and in went the type A .Mathmatics ain't it wonderfull . 8)

Offline Stephen Alford

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Re: trans fluid in my hyd tank
« Reply #22 on: November 25, 2012, 01:40:52 PM »
Hey graves logging,just wondering how you made out ? As others have said ,sure sounds like a restriction . We have had some cold temps lately,don't suppose water got in while it sat and froze it somewhere.  ::)  Have used those  loaders for awhile and nothing major.  Being metric was a pain years ago .  Hope to see some pics of the setup.  :)
logon

Offline lumberjack48

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Re: trans fluid in my hyd tank
« Reply #23 on: November 25, 2012, 02:56:19 PM »
We used nothing but hyd oil in a Barko 60, down to -40, little stiff at first, but limbered up quick.
Third generation logger, owner operator, 30 yrs felling experience with pole skidder. I got my neck broke back in 89, left me a quad. The wife kept the job going up to 96.

Offline oldseabee

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Re: trans fluid in my hyd tank
« Reply #24 on: November 25, 2012, 10:48:29 PM »
Let me put in my 2 cents worth. Rule of thumb for a mobile hydraulic system that is the primary working system for the machine such as a loader is a tank close to 3 times the size of the pump flow because as a primary system the hydraulics are in use almost constantly   therefore generate a lot of heat. On a skidder the hydraulic system is secondary only used to bump the steer cylinders and occasionaly the blade, even on a grapple the hydraulics are use for a short time, the power train is the primary system and will be in almost constant use, that is why there is a transmission oil cooler to disipate the heat. The pump on the 664 is rated at 20 GPM and the hydraulic system holds 14.4 gallons and there is no cooler in the system. When you use that system as a primary by hooking it into a loader there is no way it can disipate the heat generated unless you add an auxiliary tank or a large oil cooler.

Offline graves logging

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Re: trans fluid in my hyd tank
« Reply #25 on: November 26, 2012, 03:26:03 PM »
Well I guess the pump on the skidder is pushing to much oil for the little loader. So I bought a new valvebank and a flow reducer. One section of valve was 850 plus tax. So I found a new valvebank for 1300.

Offline snowstorm

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Re: trans fluid in my hyd tank
« Reply #26 on: November 26, 2012, 04:57:02 PM »
seems like a lot of cash . i bought 2 sections for a 20gal greason valve for a little little over a $100 each new. i rigged another plow truck last fall that has a power beyond to run the sander. if you run 2 valve banks from 1 pump you have to have a power beyond or a diverter

Offline graves logging

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Re: trans fluid in my hyd tank
« Reply #27 on: November 26, 2012, 07:10:02 PM »
Well that is 6 valves stacked together all ready to go. That price sounded better then the 5000 for the factory one. With a flow control to cut the flow back


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