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Excavator Hydraulic Pump Parts Piston shoe PSVL-54 Set of 9 pcs Spare Parts

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September 12, 2026
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Video Description:
This video explains the main functions and practical uses of excavator hydraulic pump piston shoes in a clear, step-by-step format. You'll see how the PSVL-54 piston shoe set enables axial force transfer through spherical hinge linkage, transforms point contact to surface contact to reduce wear, and utilizes hydrostatic oil film lubrication to prevent metal-to-metal friction. We demonstrate the installation process and show how set plate preloading ensures stable operation in high-pressure hydraulic systems.
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