L4400 Slow Hydraulics

/ L4400 Slow Hydraulics #1  

Waltert

Member
Joined
Sep 30, 2005
Messages
46
Location
Lunenburg, Nova Scotia
Tractor
MX5100 HST
Hi All,
I just added a second rear remote to my tractor and it has slowed up my three point hitch quite a bit. I used a complete kit from Kubota with valve, hoses ect, I stacked it on top of my first remote per instuctions. Any ideas.
Walter
 
/ L4400 Slow Hydraulics #2  
Take the valve off and make SURE there is no debris in there...something is restricting flow.
 
/ L4400 Slow Hydraulics #3  
Hi All,
I just added a second rear remote to my tractor and it has slowed up my three point hitch quite a bit. I used a complete kit from Kubota with valve, hoses ect, I stacked it on top of my first remote per instuctions. Any ideas.
Walter

I am pretty sure there is a bypass leakage added when you added the valve. Otherwise the pump flow would give you full speed on your 3P.
If the new valve you added have an internal leak, that bypass some of the flow, it will also reduce the pressure. Some debris in the RV could be one cause.
Make sure your 3P hitch valve operates fully both ways. I have seen debris blockin the control lever and that way reduce speed.

Do you know if you have full pressure to the 3P hitch or does 3p lift a full load, even if it is slow??
Does 3p speed increase if you throttle the engine??
Do the new remote have a built in RV??
Do you have a symbol drawing to post, over the new remote valve installed??
 
/ L4400 Slow Hydraulics
  • Thread Starter
#4  
Hi,
The 3ph speed increases when I add throttle. it appears to have the same power, just slow, when I assembled it I removed the wheel and made sure it was very clean, I doubt I picked up any dirt unless junk in the valve,
Walter
 
/ L4400 Slow Hydraulics #5  
I am not familiar with your particular problem but I did have errant teflon tape cause a similar problem one time. Others may know more--I am just tossing this out.
 

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