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HomeIntroductionThe Simple TestBack-Engineering?The Most Basic BasicsLet's Talk HydraulicsBack-Engineer This!BattlefieldKaboomLibraryNews ArchiveBla-BlaimerContactsGuestbook |
     In this case (the parts belong to a Rexroth A4VG closed loop hydraulic pump) it appears that
    first - the piston shoes got nicely grinded, with the shoe labyrinth pattern completely erased,
   second - one and only one piston shoe got separated from the piston (and disappeared completely),
    third -  the piston head got smacked down to a nice round pancake shape and,
    fourth - the pancake got separated from the piston body.

    An interesting  fact - despite all the piston department damage the retainer plate got but minor scratches!
Damaged Hydraulic Pump Parts
Damaged Hydraulic Pump Parts
Damaged Hydraulic Pump Parts
Damaged Hydraulic Pump Parts
Damaged Hydraulic Pump Parts
Damaged Hydraulic Pump Parts