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vio35

  1. M

    Yanmar Vio3.5-2 Arm - Slow moving hydraulic ram - one direction

    I purchased a Vio35 with 3500hrs. Hydraulics appear strong on all circuits, however the Arm ram is slow ONLY on extension (ie when pulling towards the cab). I first started by checking pump hydraulic pressure on the arm circuit (pump 1) which is at 3000psi (what it should be). The arm psi...
    • MickeyH
    • Thread
    • hydraulic slow hydraulics valve vio35 yanmar
    • Replies: 0
    • Forum: Excavators
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