DB 1390

Discussion in 'Classic Machinery' started by Gordy1, Oct 11, 2018.

  1. Gordy1

    Gordy1 Member

    IMG_2003.JPG Hi, Have problems with the power steering, it's ok turning wheels left but when you straighten up or turn wheels to the right the steering goes hard, it's like there is a blockage in the hydraulic pipe somewhere, is this a usual problem with these DB's as I heard someone else have the same thing happening but don't know how or if they sorted it, could it be a blocked filter or something, any help would be appreciated.
     
  2. 335d

    335d Member

    The end of the ram looks fairly new. You sure the bottom of the joint isn’t catching on the axle?
    I would be tempted to remove the ram at the axle then check that the ram moves freely on its own, and vice versa the steering. (Jack the front up and it should move by hand with the ram removed). You’ll then know if it’s hydraulics or not
     
    Mursal, Gordy1 and Flat 10 like this.
  3. Gordy1

    Gordy1 Member

    Thanks I will look into this at the weekend. The photo looks close to the axle but there is a good gap between them.
     
  4. Ray996

    Ray996 Member

    Location:
    North Scotland
    you got enough oil in the power steering tank?if so possibly orbitrol unit not working properly
     
  5. Oh Deere

    Oh Deere Member

    Steering is seized Jack the tractor up with both wheels off the ground grease and oil it well while turning steering wheel.
    You might have to go in with a bar between tyre and axle to get it going
     
    Mursal likes this.
  6. Exfarmer

    Exfarmer Member

    Location:
    Bury St Edmunds
    This is on a full hydrostatic steering system i believe looking at the picture
    It is fairly certainly a problem in the orbitrol unit under the steering wheel afraid I have no answer. May be good to ask on the DBTC forum
     
    Gordy1 likes this.
  7. Mursal

    Mursal Member

    I'd also consider swapping the two pipes going to the ram to see if the heaviness moves, as the center seal in the ram might have popped, in one direction.
     
    Exfarmer likes this.

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