bucket loader

My next repair job: my bucket loader leaks down with little to no load. You can see it drifting down. Replaced hoses, where should I go next.
 
Do your loader hoses plug into the back of the
tractor or do you have a separate valve that runs
the loader
 
(quoted from post at 03:14:35 06/01/19)
(quoted from post at 16:52:44 05/29/19)
(quoted from post at 09:23:14 05/29/19)
What type valve controls loader(ind or scv)? I'll guess loader control valve is leaking internally.

Jim, how would I determine the type.

Can you post photo of valve that controls FEL?

thanks again,
mvphoto37101.jpg


mvphoto37102.jpg
 

Your loader has an independent 2 spool valve. It's possible the spool/housing are worn enough that oil is leaking between the 2 machined surfaces. To check raise loader up disconnect hose from ported hyd filter cover then remove male coupler tip & see if any oil comes out of open hyd hose over several hrs.
 
(quoted from post at 08:59:22 06/03/19)
Your loader has an independent 2 spool valve. It's possible the spool/housing are worn enough that oil is leaking between the 2 machined surfaces. To check raise loader up disconnect hose from ported hyd filter cover then remove male coupler tip & see if any oil comes out of open hyd hose over several hrs.

thanks again, is the "ported hdy filter cover" where the hose attaches in the second picture.
 

Tex Jim, finally got to your suggestion concerning the bucket drifting down. As I hope you can see in the picture attached I disconnected what I think your referenced "ported hdy filter cover" Note: the shop manual does not reference this part. I disconnected the connection from the filter cover. Then disconnected the male coupler from that hose connection. fluid leaked from the female part of the coupler "from around the ball bearing", as the bucket lowered itself. I also cannot find any ref to the "spool/housing". If I did the disconnects correct then it appears the spool/housing is worn, correct? The male coupler is a new one (4 month). Now I guess I request what next? Did I disconnect the right hose? In picture A=male coupler
mvphoto42626.jpg


mvphoto42627.jpg

B=filter cover
 

It appears you disconnected the correct breakaway coupling. If you remove male tip I'll bet loader boom will lower faster. There are several hyd companies that you can purchase a new control valve from such as Surplus Center & Bailey hyd's. Be sure to acquire & install in new valve a closed center plug with correct seals
 
(quoted from post at 03:30:20 09/15/19)
It appears you disconnected the correct breakaway coupling. If you remove male tip I'll bet loader boom will lower faster. There are several hyd companies that you can purchase a new control valve from such as Surplus Center & Bailey hyd's. Be sure to acquire & install in new valve a closed center plug with correct seals

thanks Jim, according to my manual and part catalog, the parts catalog calls the control value an "Independent Control Value". The operator's manual calls it a "Regenerative value". Surplus calls some "Spool Value". We are talking about the value that controls the up/down movement of the bucket, aren't we? I'm also asked if the system is a two directional system. What is that and how do I tell. Thanks
mvphoto42841.jpg


mvphoto42842.jpg
 
Afternoon, before I order a new controller, let me ask this, is the rockshaft, front lift cylinders and the clutch, linked together by some means. The rockshaft drifts up, the bucket drifts down and the clutch seems to be not disengaging (trans grinds when shifting). Just wondering if these three issue has some linkage. thanks again

ps it is a 2240
 
Rock shaft has its own control valve. Loader has a separate control valve. and I believe your clutch is mechanical. So loader and rockshaft (3 point hitch arms) drifting down are not related since different valves control them, and it is even less likely the clutch (transmission grinding when shifting) is related since it is a mechanical issue not hydraulic. Also the transmission is not like a car transmission; you have to wait for the gears to stop turning after you push the clutch even if it is adjusted correctly.

If you don't have them you should get the operator's and service manuals for your tractor and the same manuals for your loader, they will help with clutch adjustments and such.
 
(quoted from post at 14:04:53 09/23/19) Rock shaft has its own control valve. Loader has a separate control valve. and I believe your clutch is mechanical. So loader and rockshaft (3 point hitch arms) drifting down are not related since different valves control them, and it is even less likely the clutch (transmission grinding when shifting) is related since it is a mechanical issue not hydraulic. Also the transmission is not like a car transmission; you have to wait for the gears to stop turning after you push the clutch even if it is adjusted correctly.

If you don't have them you should get the operator's and service manuals for your tractor and the same manuals for your loader, they will help with clutch adjustments and such.

thanks jim, I have both but the language is such that one has to have a deep back ground to understand. Only my second tractor at 70. but I will continue learning. Your words move we along
 

Have you checked traction clutch pedal for correct adjustment? It's possible clutch plate is warped or clutch plate spines & input shaft splines are rusty.

On 3 pt drifting up I'll bet friction washer on 3 pt control handle aren't snug enough to hold control handle where operator sets it.

Pictured below is a closed center adapter plug.

mvphoto43263.png
 
(quoted from post at 03:37:44 09/29/19)
Have you checked traction clutch pedal for correct adjustment? It's possible clutch plate is warped or clutch plate spines & input shaft splines are rusty.

On 3 pt drifting up I'll bet friction washer on 3 pt control handle aren't snug enough to hold control handle where operator sets it.

Pictured below is a closed center adapter plug.

mvphoto43263.png

thanks again jim, will order the plug today and I have the manual on my lap to look up adjustment. Again thanks very much, enjoying the information and assistance
fayne
 

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