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  1. smystaki

    Frage 7211 Hydraulics

    Seems that I run out of traffic.Can it be arranged to increase?
  2. smystaki

    Frage 7211 Hydraulics

    Now its more clear. Zetormatic functional descreption found here describes the operating conditions I met. I believe that the system needs only proper operation!!!! :D And probably some "light" repair. Two days ago I ploughed 20.000 sqm using position control and weel for depth control. My...
  3. smystaki

    Frage 7211 Hydraulics

    thanks a lot.
  4. smystaki

    Frage 7211 Hydraulics

    No I havent repair the safety valve nor check the distributor. I 've just renew piston and head sealing elements of the cylinder. A manual is always a manual and always helps.
  5. smystaki

    Frage 7211 Hydraulics

    This is exactly my problem. The lever is moving by it self 5-6 cm and cylinder retracts. But this way the hudraulic cylinder is continuesly under pressure and connected to the pump. Is this normal? According my experiance, in industrial hydraulics, pump flow is returning to the tank when a...
  6. smystaki

    Frage 7211 Hydraulics

    Trying to maintain a 7211 tractor that was out of action for more than 7 years I am facing a strange issue. The hydraulic lift can not keep upper possition all the times. When the operator moves his hand from the lever then hudraulic cylinder retracts. This could be 2 things. 1st Piston...
  7. smystaki

    Willkommen smystaki!

    This is the condition found 1 month ago
  8. smystaki

    Willkommen smystaki!

    Hello I have in my possession a zetor 7211 manufactured in 1986. Total operating hours a bit more than 5000. I ve just finished the basic maintenance and putit back into operation after 7 years. This machine is amazing. Wake up at once and it rocks!! I am sorry I dont speak and write German but...
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