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  1. A

    Hitachi EX200-2 Problems

    Thanks…well I don’t have a service manual with me….do you have one??....can you send me a scanned copy if possible on areas to test the pressure…seems like you know more about hydraulics than I ever will….
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    Hitachi EX200-2 Problems

    oh yes!!....i forgot to mention!!....we placed a new turbo also....my dad thought that the source of too much smoke was the turbo....so we installed a new one....still no change....
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    Hitachi EX200-2 Problems

    Well we just ordered only the 14 pistons, 2 Cylinder heads, 1 valve plate and the Head block. I didn’t realise that I need to change the servo piston and ring also because I didn’t know its function. Yeah I’ve near replace all of the hydraulic system…we ordered the pilot pump separately….just...
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    Hitachi EX200-2 Problems

    someone told me that there is a bypass on my pump but my pump is new...i installed a new pump last year....just not the servo piston and the ring....
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    Hitachi EX200-2 Problems

    Ok thanks for replying. I'd just like to ask about the stroke piston which is called the servo piston, that piston has a ring. Do you think the problem could be the ring??....because i've put on the new pump but haven't changed the servo piston and it's ring
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    Hitachi EX200-2 Problems

    yes it can....with a 5/8 spanner to unlock the lock nut and a shifter to adjust the bolt....but i dont know the proper adjustment...should the bolt be adjust by pressure setting...if so how and where should the pressure be tested??....to adjust the bolt??....
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    Hitachi EX200-2 Problems

    It smokes and pulls down when the levers are applied...as soon as levers are let gone the machines gives smoke but very very lillte....i think the pump is loading the engine...yes i have the four bolt plate on the pump but only at the bottom of the pump...on the top there is a "Manual kit"...
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    Hitachi EX200-2 Problems

    Yes, It has a manual kit installed on the top of the pump…some people call it the “manual regulator” or the “manual kit” which changes the machine from an electronic to manual. At the start the hydraulics are good but not too power- full(A little bit fast) but after nearly 10 to 30 minutes of...
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    Hitachi EX200-2 Problems

    Do you know how to adjust or where to adjust??....pressure settings??...
  10. A

    Hitachi EX200-2 Problems

    The machines hydraulic system at the start is fine , a bit of power but later all actions become slow and power-less but the engine loads from the start...gives of smoke
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    Hitachi EX200-2 Problems

    So do you think there is a problem with the injectors??....
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    Hitachi EX200-2 Problems

    Hi, my father had bought a Hitachi EX200-2 excavator and from the very start we have had problems with it. The machine has a Manual regulator installed so it’s a manual machine now and all the electrical wires that were present before has been removed before we bought it. The problem with the...
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