ISO/TR 10949-2002 pdf free.Hydraulic fluid power – Component cleanliness一Guidelines for achieving and controlling cleanliness of components from manufacture to installation.
This Technical Report gives guidelines for achieving, evaluating and controlling the cleanliness of hydraulic fluid power components from the time of their manufacture through to their installation in a hydraulic fluid power system.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies, For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 4406, Hydraulic fluid power — Fluids — Method for coding the level of contamination by solid particles
ISO 5598, Fluid power systems and components — Vocabulary
ISO 18413:_i), Hydraulic fluid power — Cleanliness of parts and components — Inspection document and
principles related to contaminant collection, analysis, and data reporting
3 Terms and definitions
For the purposes of this Technical Report, the terms and definitions given in ISO 5598 and the following apply.
part, assembly, or collection of parts that performs a function in a fluid power system
NOTE This definition differs from that in ISO 5598 because connectors, tubes and hoses are included here but are excluded from the definition in ISO 5596.
3.2 manufacturer
party that fabricates or assembles the component
NOTE The manufacturer and supplier may be the same person or company.
3.3 purchaser
party that stipulates the requirements of a machine, equipment, system, or component and judges whether the product satisfies those requirements
4 General principles
4.1 Component cleanliness during production
The manufacturer is responsible for providing components that meet the requirements either stated by the manufacturer or agreed upon with the purchaser. This includes achieving and evaluating, as necessary, appropriate levels of component cleanliness during the production process.
The required cleanliness level at the time of manufacturing release should be clearly stated in an inspection document drawn up in accordance with ISO 18413 and agreed upon between the manufacturer and purchaser
The manufacturer is to exercise care at all steps of the production process to ensure that the required level of component cleanliness is achieved and controlled. More specifically, the manufacturer is responsible for the following:
cleaning component parts prior to assembly, if this operation is needed to achieve the required
cleanliness level:
assembling components in an area having an overall level of contamination that will not significantly
affect component cleanliness:
flushing components, if this operation is needed to achieve the required cleanliness level; testing components with fluids that will not add significant contaminant to the product:
evaluating component cleanliness by appropriate test methods;
preparing components for packaging, including corrosion prevention, sealing of ports, etc.
4.2 Component cleanliness during packaging, storage and transport
The supplier and purchaser are to make an agreement about who is responsible for controlling component cleanliness during packaging, storage and transport to the purchaser. If the manufacturer and supplier are independent parties, their respective responsibilities should be mutually and explicitly agreed.ISO/TR 10949 pdf download.