This manual introduces the common failure modes and analysis methods of Sauer-Danfoss hydraulic components, including part identification, failure analysis overview and theory, axial piston product part evaluation, gear product part evaluation, etc.
The manual offers detailed guidance on part failure analysis, assessment and repair for Sauer‑Danfoss hydraulic products. It covers theory, safety warnings, and step‑by‑step procedures for disassembly, cleaning, lubrication and replacement of components such as pistons, sliders, seals and gear parts.
Safety is emphasized throughout, with instructions on preventing uncontrolled machine movement, handling pressurised hydraulic oil, using non‑flammable cleaning agents and wearing protective equipment. The document also outlines warranty conditions, recommended replacement parts, and references to related repair and lubrication manuals. This manual is written in Chinese.
| Product Series | Open circuit axial piston pump and motor |
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All O‑rings and sealing pads must be replaced; apply a small amount of clean petroleum‑based grease that is soluble in hydraulic oil before installing the new O‑ring.