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Hi! Back at work after a weekend at the farm and thanks for the many useful comments! The method of adjusting the pressure valve with washers was described in the workshop manual and should be performed together with measurements of the trip level of the valve (14-14.5 MPa). I am not going to...

Hi! Great, thanks! Then we agree and my thermodynamics are not totally crap. [i]You could of course use the pump to drive a second pump stage to increase the pressure but with a resulting decrease in flow rate from that stage but I suppose that is, as they say, beyond the scope of this topic.[/]...

Yes, I have been thinking the same thing about the spool valve of the loader. It is acting a bit strange but it is perfectly tight when it comes to hold the pressure, the load I manage to lift stays there for at least 12 hours with no noticeable drop. The strange thing is that I cant make the...

Hi everybody! I have some questions on hydraulics. In several topics the poor quality of eastern made rubber hoses has been mentioned. Can this also be the case for the o-rings originally mounted in Zetor tractors. My problem is that the front loader (Trima 912HD) on my Zetor 5245 is relatively...

Thanks for the quick reply.:) Thought Id test the 1000 rpm PTO temporarily just to se what happens. How do I change from 540 to 1000 on the PTO? The manual for the older models I mentioned in I my first question shows a selector lever between and a bit behind the Hi/Low and the PTO/ Hydraulics...

Hi! Great forum! A few questions from a person who has recently become a Zetor owner. Could somebody tell me the hydraulic oil pressure of a 5245 from 1985. I have just bought one but the manual I got is from a 5011 7045. The front loader (Trima 912 HD) seems a bit weak compared to the...