210 B-H-- adjustment of loader?

Calling on the experts; where is the adjustment made for this setup as pictured? I have a service manual, but says to plug into the pipe tapped hole with gauge. Did that (belly of valve right side) and got no reading. Manual mentions using shim to raise or lower pressure in the main relief valve. Ok behind the large hex head in this picture? Doesn't call out shim thicknesses? Manual also says to use the t-fitting for gauging - it doesn't have one. ? Much thanks.
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(reply to post at 19:05:28 08/14/18)
You will read very little pressure on your gauge till you work the system against relief, roll the bucket clear back and hold till the engine works then the working pressure should be there. all you would read otherwise is system back pressure.
 
Most loader valves I have worked on have adjustable relief valves. If you get a gauge in there and get a good reading try tightening the screw behind the plug and see if the pressure goes up. If not loosen the screw and see if it goes down. If it does and you cannot get as high as you would like with warm oil the pump might be weak.
 
Thanks for your tips. Throwing me off, is that little regarding the two hydraulic systems on this old work horse corresponds with
the service manual. Even the flow control for the hoe isn't where the book says it is, but is buried down by the lower mount pin
amidst steel lines and hoses. Doesn't help that someone replaced a hose from it and has the adjustment screw turned to the bottom.
So it goes eh? Thanks again for the replys.
 
Very nice. I bought mine only to put it to work. Not sure your 21 is the same loader. I have to take a walk into the woods and down the hill
tomorrow to try and compare. Might be easier if any of those exterior markings were still intact.
 
Off and on again thunderstorms today, but I wanted to get a comparison shot. Not very pretty. Used hard and put away wet by previous owner(s), but I got high hopes it will get the job done.
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Tomorrow I will look at the control mechanism and see if there is any adjustments. I don't think there are any. Anyway on you're tractor what does this do?
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I looked at the control mechanism on my loader and there appears to be some adjustments on the back side of where the levers are. I know you have been looking but I can find any literature on the unit. Probably a hydraulic mechanic would know. I have trouble with my loader, it will lift easy and smooth but you go to lower it and it drops like a rock. You have to be real easy with the control lever to prevent dropping the load.
 
I would think that would be a flow control adjustment but, once again, I have yet to try to turn the screw as was suggested to increase pressure to mine, and it doesn't have a flow control like my backhoe has on it. Sorry, I'm no help .... yet(?).
 
I don't know if this helps you any but I think I found a parts book for the loader. https://www.ebay.com/itm/J-I-CASE-UTILITY-LOADER-FOR-210B-310-310B-WHEEL-TRACTORS-PARTS-CATALOG-MANUAL/390654999787?epid=1731849658&hash=item5af4da3ceb:g:I3UAAMXQhpdR2NbY:sc:USPSFirstClass!75161!US!-1
 
I have the parts manual for 200-B, purchased from "Yesterday's Tractor Co.", but no it doesn't cover loaders. All information is good, I'll probably check on that manual. Thanks again.
 
I found another manual which covers the tractor too. https://www.repairmanual.com/product/case-210b-310-530-factory-service-manual-js-ca-s-210b-310-plus/
 
Thanks Steve. The first thing I bought for this old tractor was this shop service manual (except I paid full price!). It's a bit confusing at times due to jumping around with model information in various places. And, as stated, some information needed for my 210-B-H-- isn't
included. Such as location for adjustments to the loader and backhoe! A person would think in a shop 'service manual' ....
 
Not sure anything on this 210 B-H-- is by the service manual. Plugged in again at the pipe fitting. Took it to bucket tilt stop position - no reading. Raised bucket to stop position and held it - no reading. Tried turning screw behind large hex nut (both directions). No luck, need a larger tipped screwdriver, but it felt to be bottomed out. Want to do right by this old horse, but can only hope that even the fluid types called for are correct. Service manual says hydraulic reservoir (with loader) is in the uprights of the loader. And that the filter is either front mounted, or off the lever valve body. Nope and nope. Filter is mounted on right side above a reservoir (with no external access), and the hydraulic fluid (and location of breather port) is the gear box fluid. I see only one flow control and adjustment for the entire hoe. I'm beginning to think I have a prototpe or experimental model. My experience heretofore, was a 1965 or so, Case Loader/Backhoe which I believe to be about the same, ie., horses, etc., and a 580 CK. I was expecting the hydraulics on this one, as on those, to be able to raise all four tires. Am I expecting too much outta this old girl?
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Look at the opposite side of the control mechanism. There is a nut that takes a special wrench similar to what you use on an angle grinder. I think that is where the adjustment is.

I think you should re-start this thread, it's getting difficult to find.
 
It appears to me that your loader is like mine, with single acting cylinders therefore only lifting and float and no down pressure on the lift arms.
 

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