ISO 18413:2002
Hydraulic fluid power — Cleanliness of parts and components — Inspection document and principles related to contaminant collection, analysis and data reporting
ISO 18413 specifies the content of an inspection document that includes both the cleanliness requirement for the specified part or component and the inspection method to be used for evaluating its cleanliness level. The cleanliness requirement and inspection method shall be established and agreed upon by the parties involved.
ISO 18413 is applicable to the wetted surfaces of any fluid power system part or component. It does not cover appearance defects and contamination by liquid or gaseous materials.
This International Standard does not address safety problems that may arise from hazardous materials, operations and equipment associated with its use. The user of ISO 18413 is responsible for establishing appropriate safety and health practices and determining the applicability of regulatory limitations prior to use.
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TitlePage - Hydraulic fluid power— Cleanliness of parts and components— Inspection document and...
TableofContent - Contents Page
Foreword - Foreword
Introduction - Introduction
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Inspection document principles
Subclause2 - 4.1 Content
Subclause2 - 4.2 Part or component cleanliness requirement
Subclause2 - 4.3 Inspection method
UntitledSubclause3 - 4.3.1 The inspection document shall define the inspection method to be us...
UntitledSubclause3 - 4.3.2 The inspection document shall define appropriate parameters applica...
Subclause2 - 4.4 Effectivity
Subclause2 - 4.5 Conformance
UntitledSubclause3 - 4.5.1 Unless otherwise stated in the inspection document,
UntitledSubclause3 - 4.5.2 All parts or components shall meet the specified cleanliness requir...
UntitledSubclause3 - 4.5.3 Inspection of all parts and components may not be required. It is p...
Subclause2 - 4.6 Conformance verification
UntitledSubclause3 - 4.6.1 Conformance to part or component cleanliness requirements may be ve...
UntitledSubclause3 - 4.6.2 Verification of test results requires special care because differen...
Subclause2 - 4.7 Additional information
UntitledSubclause3 - 4.7.1 Unless otherwise agreed by purchaser and supplier,
UntitledSubclause3 - 4.7.2 The inspection document shall specify both the required cleanliness...
UntitledSubclause3 - 4.7.3 Temporary shipping covers are excluded from the inspection process;...
UntitledSubclause3 - 4.7.4 Contaminants contributed by such defects as nicks, blemishes and di...
UntitledSubclause3 - 4.7.5 Where applicable, a requirement for allowable residual magnetic den...
Clause1 - 5 Contaminant collection principles
Subclause2 - 5.1 General
Subclause2 - 5.2 Overview
Subclause2 - 5.3 Agitation
UntitledSubclause3 - 5.3.1 Contaminant contained within simple enclosed surfaces shall be remo...
UntitledSubclause3 - 5.3.2 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.3.3 Consideration should be given to the size and mass of the part or c...
Subclause2 - 5.4 Pressure rinse
UntitledSubclause3 - 5.4.1 Contaminant on exposed and accessible surfaces shall be removed by ...
UntitledSubclause3 - 5.4.2 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.4.3 Consideration should be given to the overall accessibility of contr...
Subclause2 - 5.5 Ultrasonic vibration
UntitledSubclause3 - 5.5.1 Contaminant on surfaces accessible to ultrasonic vibration shall be...
UntitledSubclause3 - 5.5.2 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.5.3 Consideration should be given to the size and mass of the part or c...
Subclause2 - 5.6 End use simulation
UntitledSubclause3 - 5.6.1 Contaminant on internal surfaces with limited accessibility shall b...
UntitledSubclause3 - 5.6.2 A production test stand may be used for end use simulation. When a ...
UntitledSubclause3 - 5.6.3 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.6.4 Care should be used in the selection of simulation cycles (for exam...
Clause1 - 6 Contaminant analysis principles
Subclause2 - 6.1 General
Subclause2 - 6.2 Overview
Subclause2 - 6.3 Gravimetric analysis
Subclause2 - 6.4 Particle size
Subclause2 - 6.5 Chemical composition
Subclause2 - 6.6 Particle size distribution
Clause1 - 7 Data reporting principles
Subclause2 - 7.1 General
Subclause2 - 7.2 Overview
Subclause2 - 7.3 Contaminant mass
Subclause2 - 7.4 Particle size
Subclause2 - 7.5 Chemical composition
Subclause2 - 7.6 Particle size distribution
Clause1 - 8 Selection guidelines
Subclause2 - 8.1 Overview
Subclause2 - 8.2 Contaminant collection
Subclause2 - 8.3 Contaminant analysis
Subclause2 - 8.4 Data reporting
Clause1 - 9 Criterion for acceptance
Clause1 - 10 Identification statement
AnnexInformative - Contaminant collection principles — Agitation method
Clause1 - A.1 Scope
Clause1 - A.2 Summary of method
UntitledSubclause2 - A.2.1 Contaminant is collected by partially filling the test item with a ...
UntitledSubclause2 - A.2.2 Multiple samples are required to achieve maximum contaminant removal.
UntitledSubclause2 - A.2.3 If a means of mechanical agitation supplemental to the test liquid ...
UntitledSubclause2 - A.2.4 Solid test items (such as gears, plates, shafts, etc.) need to be p...
UntitledSubclause2 - A.2.5 Immediately after agitation, drain and collect the test liquid used...
UntitledSubclause2 - A.2.6 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - A.3 Materials and equipment
Subclause2 - A.3.1 Test liquid
Subclause2 - A.3.2 Collection tray and/or vessels
Subclause2 - A.3.3 Clean sample containers
Clause1 - A.4 Procedure
UntitledSubclause2 - A.4.1 Determine the controlled volume and controlled surface area of the ...
UntitledSubclause2 - A.4.2 Clean external surfaces of the test item. External surfaces should ...
UntitledSubclause2 - A.4.3 Remove shipping plugs as necessary to add test liquid. If a part or...
UntitledSubclause2 - A.4.4 Transfer an amount of test liquid of between
UntitledSubclause2 - A.4.5 Carefully pour measured test liquid into the test item. Reseal with...
UntitledSubclause2 - A.4.6 Analyse samples as specified in the inspection document. Refer to
UntitledSubclause2 - A.4.7 Repeat the procedure detailed in
UntitledSubclause2 - A.4.8 Confirm the efficiency of contaminant removal by the following method:
UntitledSubclause2 - A.4.9 Report data as specified in the inspection document. Refer to
AnnexInformative - Contaminant collection principles — Pressure rinse method
Clause1 - B.1 Scope
Clause1 - B.2 Summary of method
UntitledSubclause2 - B.2.1 A pressurized stream of test liquid is directed at all controlled s...
UntitledSubclause2 - B.2.2 Multiple rinsings are required to achieve maximum contaminant removal.
UntitledSubclause2 - B.2.3 Immediately after rinsing, collect the test liquid used in each sam...
UntitledSubclause2 - B.2.4 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - B.3 Materials and equipment
Subclause2 - B.3.1 Test liquid
Subclause2 - B.3.2 Clean sample containers
Subclause2 - B.3.3 Dispensing pressure vessel
Subclause2 - B.3.4 Liquid dispensing gun
Subclause2 - B.3.5 Filters
Subclause2 - B.3.6 Filter forceps
Subclause2 - B.3.7 Collection tray and/or vessels
Clause1 - B.4 Procedure
UntitledSubclause2 - B.4.1 Determine the controlled volume and/or the controlled surface area ...
UntitledSubclause2 - B.4.2 Clean non-wetted external surfaces of the test item. External surfa...
UntitledSubclause2 - B.4.3 Remove all shipping caps and plugs. If the test item contains resid...
UntitledSubclause2 - B.4.4 If possible, place the test item in a clean collection tray prepare...
UntitledSubclause2 - B.4.5 If disassembly is required to gain access to all controlled surface...
UntitledSubclause2 - B.4.6 Set the pressure of the container to a level that will deliver a sp...
UntitledSubclause2 - B.4.7 Rinse contaminants from any areas of the disassembled components th...
UntitledSubclause2 - B.4.8 When all controlled surfaces are accessible, carefully rinse them w...
UntitledSubclause2 - B.4.9 Combine all collected residue and liquids. Carefully rinse trays an...
UntitledSubclause2 - B.4.10 Analyse samples as specified in the inspection document. Refer to
UntitledSubclause2 - B.4.11 Repeat the procedure detailed in
UntitledSubclause2 - B.4.12 Confirm the efficiency of contaminant removal by the following met...
UntitledSubclause2 - B.4.13 Report data as specified in the inspection document. Refer to
AnnexInformative - Contaminant collection principles — Ultrasonic vibration method
Clause1 - C.1 Scope
UntitledSubclause2 - C.1.1 This annex presents contaminant collection principles for the ultra...
Clause1 - C.2 Summary of method
UntitledSubclause2 - C.2.1 A tank of test liquid containing the part or component is ultrasoni...
UntitledSubclause2 - C.2.2 Immediately after agitation, collect the test liquid used.
UntitledSubclause2 - C.2.3 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - C.3 Materials and equipment
Subclause2 - C.3.1 Test liquid
Subclause2 - C.3.2 Ultrasonic tank
Subclause2 - C.3.3 Collection tray and/or vessels
Subclause2 - C.3.4 Clean sample containers
Clause1 - C.4 Procedure
UntitledSubclause2 - C.4.1 Determine the controlled volume and/or the controlled surface area ...
UntitledSubclause2 - C.4.2 Remove all shipping caps and plugs. Do not disassemble components. ...
UntitledSubclause2 - C.4.3 Submerge the test item into either a collection container with clea...
UntitledSubclause2 - C.4.4 Ultrasonically agitate the test item at the power level indicated f...
UntitledSubclause2 - C.4.5 Collect all residual contamination from the ultrasonic bath and rin...
UntitledSubclause2 - C.4.6 Drain and collect the test liquid for analysis or transfer it to th...
UntitledSubclause2 - C.4.7 Analyse samples and report data as specified in the inspection docu...
UntitledSubclause2 - C.4.8 Repeat the procedure detailed in
UntitledSubclause2 - C.4.9 Confirm the efficiency of contaminant removal by the following method:
UntitledSubclause2 - C.4.10 Report data as specified in the inspection document. Refer to
AnnexInformative - Contaminant collection principles — End use simulation
Clause1 - D.1 Scope
UntitledSubclause2 - D.1.1 This annex presents contaminant collection principles for the end u...
Clause1 - D.2 Summary of method
UntitledSubclause2 - D.2.1 The part or component is installed on a validated test apparatus th...
UntitledSubclause2 - D.2.2 Upon completion of the end-use simulation, a representative sample ...
UntitledSubclause2 - D.2.3 Test items should be exercised for a time sufficient to pass at lea...
UntitledSubclause2 - D.2.4 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - D.3 Materials and equipment
Subclause2 - D.3.1 Test liquid
Subclause2 - D.3.2 Test fixture
Subclause2 - D.3.3 Test stand apparatus
Subclause2 - D.3.4 Clean-up filter
Subclause2 - D.3.5 Liquid sampler
Subclause2 - D.3.6 Particle counter
Subclause2 - D.3.7 Clean sample containers
Clause1 - D.4 Test equipment validation
UntitledSubclause2 - D.4.1 Validate the test stand following its initial construction and when...
UntitledSubclause2 - D.4.2 Install a dummy test item.
UntitledSubclause2 - D.4.3 Fill the system to a known volume and record the volume of test liq...
UntitledSubclause2 - D.4.4 Operate system pump to clean the circuit using the system clean-up ...
UntitledSubclause2 - D.4.5 Maintain temperature within
UntitledSubclause2 - D.4.6 Operate test stand at rated flow until test liquid cleanliness at p...
UntitledSubclause2 - D.4.7 Remove or bypass system clean-up filter.
UntitledSubclause2 - D.4.8 Add
UntitledSubclause2 - D.4.9 Begin analysis or sample collection
UntitledSubclause2 - D.4.10 For each sample, determine the cumulative particle count, starting...
UntitledSubclause2 - D.4.11 Test equipment is validated if the particle count conforms to
Clause1 - D.5 Procedure
UntitledSubclause2 - D.5.1 Determine the controlled volume and/or controlled surface area of t...
UntitledSubclause2 - D.5.2 Clean external surfaces of the test item. Take care not to introduc...
UntitledSubclause2 - D.5.3 Remove all shipping caps and plugs from the item.
UntitledSubclause2 - D.5.4 Install and bypass test item
UntitledSubclause2 - D.5.5 Measure to
UntitledSubclause2 - D.5.6 Operate the test fixture with a clean-up filter until cleanliness c...
UntitledSubclause2 - D.5.7 Remove or bypass clean-up filter.
UntitledSubclause2 - D.5.8 Perform end use simulation using test parameters specified in the i...
UntitledSubclause2 - D.5.9 Unless otherwise specified, operate test circuit until three consec...
UntitledSubclause2 - D.5.10 Perform on-line analysis or collect samples of test liquid for sub...
UntitledSubclause2 - D.5.11 Analyse samples and report data as specified in the inspection doc...
AnnexInformative - Contaminant analysis and data reporting principles
Clause1 - E.1 Scope
Clause1 - E.2 Analysis
Subclause2 - E.2.1 Gravimetric
Subclause2 - E.2.2 Particle size
Subclause2 - E.2.3 Chemical composition
Subclause2 - E.2.4 Particle size distribution
UntitledSubclause3 - E.2.4.1 Prepare and analyse samples in conformance to the inspection docu...
UntitledSubclause3 - E.2.4.2 When extracting aliquots from a bulk sample of test liquid, agita...
UntitledSubclause3 - E.2.4.3 Ensure that particle concentrations are well below the maximum fo...
UntitledSubclause3 - E.2.4.4 For each sample, determine the particle count (in particles per m...
UntitledSubclause3 - E.2.4.5 To determine particles per part or particles per component, multi...
UntitledSubclause3 - E.2.4.6 To determine particles per controlled volume, divide the value de...
UntitledSubclause3 - E.2.4.7 To determine particles per controlled area, divide the value dete...
UntitledSubclause3 - E.2.4.8 The calculated value from
Clause1 - E.3 Report
Subclause2 - E.3.1 Methods
Subclause2 - E.3.2 Contaminant mass
Subclause2 - E.3.3 Particle size
Subclause2 - E.3.4 Chemical composition
Subclause2 - E.3.5 Particle size distribution
AnnexInformative - Test stand for end use simulation — Design guidelines
Clause1 - F.1 Scope
Clause1 - F.2 End use simulation test stand
Subclause2 - F.2.1 General guidelines
Subclause3 - F.2.1.1 Lines
Subclause3 - F.2.1.2 Connectors
Subclause3 - F.2.1.3 Arrangement of lines and connectors
Subclause3 - F.2.1.4 Valves
Subclause2 - F.2.2 Test system elements
Subclause3 - F.2.2.1 Reservoir
Subclause3 - F.2.2.2 Pump and drive
Subclause3 - F.2.2.3 Clean-up filter
Subclause3 - F.2.2.4 Heat exchanger
Subclause3 - F.2.2.5 Flowmeter
Subclause3 - F.2.2.6 Temperature sensor
Subclause3 - F.2.2.7 Upstream pressure gauge
Subclause3 - F.2.2.8 Downstream pressure gauge
Subclause3 - F.2.2.9 Sampling valve
Subclause3 - F.2.2.10 Particle counting system
AnnexInformative - Equivalent spherical area of complex enclosed surfaces
Clause1 - G.1 Scope
Clause1 - G.2 Approximate equivalent area
Clause1 - G.3 Determination of approximate equivalent area
Subclause2 - G.3.1 External wetted surfaces
UntitledSubclause3 - G.3.1.1 Perform
UntitledSubclause3 - G.3.1.2 Seal any internal passages.
UntitledSubclause3 - G.3.1.3 Submerge the test item.
UntitledSubclause3 - G.3.1.4 Measure displaced volume of liquid.
UntitledSubclause3 - G.3.1.5 Calculate the approximate equivalent area per
Subclause2 - G.3.2 Internal wetted surfaces
UntitledSubclause3 - G.3.2.1 Perform
UntitledSubclause3 - G.3.2.2 Seal all exit passages.
UntitledSubclause3 - G.3.2.3 Fill the test item with liquid.
UntitledSubclause3 - G.3.2.4 Measure the amount of liquid required to fill the test item
UntitledSubclause3 - G.3.2.5 When filling the test item with liquid, avoid entrapping air.
UntitledSubclause3 - G.3.2.6 Calculate the approximate equivalent area per
Subclause2 - G.3.3 External and internal wetted surfaces
UntitledSubclause3 - G.3.3.1 Perform
UntitledSubclause3 - G.3.3.2 Calculate the approximate equivalent area for the external wetted...
UntitledSubclause3 - G.3.3.3 Calculate the approximate equivalent area for internal wetted sur...
UntitledSubclause3 - G.3.3.4 Calculate the total approximate equivalent area by adding the res...
Bibliography - Bibliography
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TitlePage - Hydraulic fluid power— Cleanliness of parts and components— Inspection document and...
TableofContent - Contents Page
Foreword - Foreword
Introduction - Introduction
Scope - 1 Scope
NormativeReference - 2 Normative references
Clause1 - 4 Inspection document principles
Subclause2 - 4.1 Content
Subclause2 - 4.2 Part or component cleanliness requirement
Subclause2 - 4.3 Inspection method
UntitledSubclause3 - 4.3.1 The inspection document shall define the inspection method to be us...
UntitledSubclause3 - 4.3.2 The inspection document shall define appropriate parameters applica...
Subclause2 - 4.4 Effectivity
Subclause2 - 4.5 Conformance
UntitledSubclause3 - 4.5.1 Unless otherwise stated in the inspection document,
UntitledSubclause3 - 4.5.2 All parts or components shall meet the specified cleanliness requir...
UntitledSubclause3 - 4.5.3 Inspection of all parts and components may not be required. It is p...
Subclause2 - 4.6 Conformance verification
UntitledSubclause3 - 4.6.1 Conformance to part or component cleanliness requirements may be ve...
UntitledSubclause3 - 4.6.2 Verification of test results requires special care because differen...
Subclause2 - 4.7 Additional information
UntitledSubclause3 - 4.7.1 Unless otherwise agreed by purchaser and supplier,
UntitledSubclause3 - 4.7.2 The inspection document shall specify both the required cleanliness...
UntitledSubclause3 - 4.7.3 Temporary shipping covers are excluded from the inspection process;...
UntitledSubclause3 - 4.7.4 Contaminants contributed by such defects as nicks, blemishes and di...
UntitledSubclause3 - 4.7.5 Where applicable, a requirement for allowable residual magnetic den...
Clause1 - 5 Contaminant collection principles
Subclause2 - 5.1 General
Subclause2 - 5.2 Overview
Subclause2 - 5.3 Agitation
UntitledSubclause3 - 5.3.1 Contaminant contained within simple enclosed surfaces shall be remo...
UntitledSubclause3 - 5.3.2 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.3.3 Consideration should be given to the size and mass of the part or c...
Subclause2 - 5.4 Pressure rinse
UntitledSubclause3 - 5.4.1 Contaminant on exposed and accessible surfaces shall be removed by ...
UntitledSubclause3 - 5.4.2 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.4.3 Consideration should be given to the overall accessibility of contr...
Subclause2 - 5.5 Ultrasonic vibration
UntitledSubclause3 - 5.5.1 Contaminant on surfaces accessible to ultrasonic vibration shall be...
UntitledSubclause3 - 5.5.2 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.5.3 Consideration should be given to the size and mass of the part or c...
Subclause2 - 5.6 End use simulation
UntitledSubclause3 - 5.6.1 Contaminant on internal surfaces with limited accessibility shall b...
UntitledSubclause3 - 5.6.2 A production test stand may be used for end use simulation. When a ...
UntitledSubclause3 - 5.6.3 Primary process variables to be controlled include: test liquid and...
UntitledSubclause3 - 5.6.4 Care should be used in the selection of simulation cycles (for exam...
Clause1 - 6 Contaminant analysis principles
Subclause2 - 6.1 General
Subclause2 - 6.2 Overview
Subclause2 - 6.3 Gravimetric analysis
Subclause2 - 6.4 Particle size
Subclause2 - 6.5 Chemical composition
Subclause2 - 6.6 Particle size distribution
Clause1 - 7 Data reporting principles
Subclause2 - 7.1 General
Subclause2 - 7.2 Overview
Subclause2 - 7.3 Contaminant mass
Subclause2 - 7.4 Particle size
Subclause2 - 7.5 Chemical composition
Subclause2 - 7.6 Particle size distribution
Clause1 - 8 Selection guidelines
Subclause2 - 8.1 Overview
Subclause2 - 8.2 Contaminant collection
Subclause2 - 8.3 Contaminant analysis
Subclause2 - 8.4 Data reporting
Clause1 - 9 Criterion for acceptance
Clause1 - 10 Identification statement
AnnexInformative - Contaminant collection principles — Agitation method
Clause1 - A.1 Scope
Clause1 - A.2 Summary of method
UntitledSubclause2 - A.2.1 Contaminant is collected by partially filling the test item with a ...
UntitledSubclause2 - A.2.2 Multiple samples are required to achieve maximum contaminant removal.
UntitledSubclause2 - A.2.3 If a means of mechanical agitation supplemental to the test liquid ...
UntitledSubclause2 - A.2.4 Solid test items (such as gears, plates, shafts, etc.) need to be p...
UntitledSubclause2 - A.2.5 Immediately after agitation, drain and collect the test liquid used...
UntitledSubclause2 - A.2.6 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - A.3 Materials and equipment
Subclause2 - A.3.1 Test liquid
Subclause2 - A.3.2 Collection tray and/or vessels
Subclause2 - A.3.3 Clean sample containers
Clause1 - A.4 Procedure
UntitledSubclause2 - A.4.1 Determine the controlled volume and controlled surface area of the ...
UntitledSubclause2 - A.4.2 Clean external surfaces of the test item. External surfaces should ...
UntitledSubclause2 - A.4.3 Remove shipping plugs as necessary to add test liquid. If a part or...
UntitledSubclause2 - A.4.4 Transfer an amount of test liquid of between
UntitledSubclause2 - A.4.5 Carefully pour measured test liquid into the test item. Reseal with...
UntitledSubclause2 - A.4.6 Analyse samples as specified in the inspection document. Refer to
UntitledSubclause2 - A.4.7 Repeat the procedure detailed in
UntitledSubclause2 - A.4.8 Confirm the efficiency of contaminant removal by the following method:
UntitledSubclause2 - A.4.9 Report data as specified in the inspection document. Refer to
AnnexInformative - Contaminant collection principles — Pressure rinse method
Clause1 - B.1 Scope
Clause1 - B.2 Summary of method
UntitledSubclause2 - B.2.1 A pressurized stream of test liquid is directed at all controlled s...
UntitledSubclause2 - B.2.2 Multiple rinsings are required to achieve maximum contaminant removal.
UntitledSubclause2 - B.2.3 Immediately after rinsing, collect the test liquid used in each sam...
UntitledSubclause2 - B.2.4 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - B.3 Materials and equipment
Subclause2 - B.3.1 Test liquid
Subclause2 - B.3.2 Clean sample containers
Subclause2 - B.3.3 Dispensing pressure vessel
Subclause2 - B.3.4 Liquid dispensing gun
Subclause2 - B.3.5 Filters
Subclause2 - B.3.6 Filter forceps
Subclause2 - B.3.7 Collection tray and/or vessels
Clause1 - B.4 Procedure
UntitledSubclause2 - B.4.1 Determine the controlled volume and/or the controlled surface area ...
UntitledSubclause2 - B.4.2 Clean non-wetted external surfaces of the test item. External surfa...
UntitledSubclause2 - B.4.3 Remove all shipping caps and plugs. If the test item contains resid...
UntitledSubclause2 - B.4.4 If possible, place the test item in a clean collection tray prepare...
UntitledSubclause2 - B.4.5 If disassembly is required to gain access to all controlled surface...
UntitledSubclause2 - B.4.6 Set the pressure of the container to a level that will deliver a sp...
UntitledSubclause2 - B.4.7 Rinse contaminants from any areas of the disassembled components th...
UntitledSubclause2 - B.4.8 When all controlled surfaces are accessible, carefully rinse them w...
UntitledSubclause2 - B.4.9 Combine all collected residue and liquids. Carefully rinse trays an...
UntitledSubclause2 - B.4.10 Analyse samples as specified in the inspection document. Refer to
UntitledSubclause2 - B.4.11 Repeat the procedure detailed in
UntitledSubclause2 - B.4.12 Confirm the efficiency of contaminant removal by the following met...
UntitledSubclause2 - B.4.13 Report data as specified in the inspection document. Refer to
AnnexInformative - Contaminant collection principles — Ultrasonic vibration method
Clause1 - C.1 Scope
UntitledSubclause2 - C.1.1 This annex presents contaminant collection principles for the ultra...
Clause1 - C.2 Summary of method
UntitledSubclause2 - C.2.1 A tank of test liquid containing the part or component is ultrasoni...
UntitledSubclause2 - C.2.2 Immediately after agitation, collect the test liquid used.
UntitledSubclause2 - C.2.3 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - C.3 Materials and equipment
Subclause2 - C.3.1 Test liquid
Subclause2 - C.3.2 Ultrasonic tank
Subclause2 - C.3.3 Collection tray and/or vessels
Subclause2 - C.3.4 Clean sample containers
Clause1 - C.4 Procedure
UntitledSubclause2 - C.4.1 Determine the controlled volume and/or the controlled surface area ...
UntitledSubclause2 - C.4.2 Remove all shipping caps and plugs. Do not disassemble components. ...
UntitledSubclause2 - C.4.3 Submerge the test item into either a collection container with clea...
UntitledSubclause2 - C.4.4 Ultrasonically agitate the test item at the power level indicated f...
UntitledSubclause2 - C.4.5 Collect all residual contamination from the ultrasonic bath and rin...
UntitledSubclause2 - C.4.6 Drain and collect the test liquid for analysis or transfer it to th...
UntitledSubclause2 - C.4.7 Analyse samples and report data as specified in the inspection docu...
UntitledSubclause2 - C.4.8 Repeat the procedure detailed in
UntitledSubclause2 - C.4.9 Confirm the efficiency of contaminant removal by the following method:
UntitledSubclause2 - C.4.10 Report data as specified in the inspection document. Refer to
AnnexInformative - Contaminant collection principles — End use simulation
Clause1 - D.1 Scope
UntitledSubclause2 - D.1.1 This annex presents contaminant collection principles for the end u...
Clause1 - D.2 Summary of method
UntitledSubclause2 - D.2.1 The part or component is installed on a validated test apparatus th...
UntitledSubclause2 - D.2.2 Upon completion of the end-use simulation, a representative sample ...
UntitledSubclause2 - D.2.3 Test items should be exercised for a time sufficient to pass at lea...
UntitledSubclause2 - D.2.4 Analyse the samples of test liquid in conformance to the inspection...
Clause1 - D.3 Materials and equipment
Subclause2 - D.3.1 Test liquid
Subclause2 - D.3.2 Test fixture
Subclause2 - D.3.3 Test stand apparatus
Subclause2 - D.3.4 Clean-up filter
Subclause2 - D.3.5 Liquid sampler
Subclause2 - D.3.6 Particle counter
Subclause2 - D.3.7 Clean sample containers
Clause1 - D.4 Test equipment validation
UntitledSubclause2 - D.4.1 Validate the test stand following its initial construction and when...
UntitledSubclause2 - D.4.2 Install a dummy test item.
UntitledSubclause2 - D.4.3 Fill the system to a known volume and record the volume of test liq...
UntitledSubclause2 - D.4.4 Operate system pump to clean the circuit using the system clean-up ...
UntitledSubclause2 - D.4.5 Maintain temperature within
UntitledSubclause2 - D.4.6 Operate test stand at rated flow until test liquid cleanliness at p...
UntitledSubclause2 - D.4.7 Remove or bypass system clean-up filter.
UntitledSubclause2 - D.4.8 Add
UntitledSubclause2 - D.4.9 Begin analysis or sample collection
UntitledSubclause2 - D.4.10 For each sample, determine the cumulative particle count, starting...
UntitledSubclause2 - D.4.11 Test equipment is validated if the particle count conforms to
Clause1 - D.5 Procedure
UntitledSubclause2 - D.5.1 Determine the controlled volume and/or controlled surface area of t...
UntitledSubclause2 - D.5.2 Clean external surfaces of the test item. Take care not to introduc...
UntitledSubclause2 - D.5.3 Remove all shipping caps and plugs from the item.
UntitledSubclause2 - D.5.4 Install and bypass test item
UntitledSubclause2 - D.5.5 Measure to
UntitledSubclause2 - D.5.6 Operate the test fixture with a clean-up filter until cleanliness c...
UntitledSubclause2 - D.5.7 Remove or bypass clean-up filter.
UntitledSubclause2 - D.5.8 Perform end use simulation using test parameters specified in the i...
UntitledSubclause2 - D.5.9 Unless otherwise specified, operate test circuit until three consec...
UntitledSubclause2 - D.5.10 Perform on-line analysis or collect samples of test liquid for sub...
UntitledSubclause2 - D.5.11 Analyse samples and report data as specified in the inspection doc...
AnnexInformative - Contaminant analysis and data reporting principles
Clause1 - E.1 Scope
Clause1 - E.2 Analysis
Subclause2 - E.2.1 Gravimetric
Subclause2 - E.2.2 Particle size
Subclause2 - E.2.3 Chemical composition
Subclause2 - E.2.4 Particle size distribution
UntitledSubclause3 - E.2.4.1 Prepare and analyse samples in conformance to the inspection docu...
UntitledSubclause3 - E.2.4.2 When extracting aliquots from a bulk sample of test liquid, agita...
UntitledSubclause3 - E.2.4.3 Ensure that particle concentrations are well below the maximum fo...
UntitledSubclause3 - E.2.4.4 For each sample, determine the particle count (in particles per m...
UntitledSubclause3 - E.2.4.5 To determine particles per part or particles per component, multi...
UntitledSubclause3 - E.2.4.6 To determine particles per controlled volume, divide the value de...
UntitledSubclause3 - E.2.4.7 To determine particles per controlled area, divide the value dete...
UntitledSubclause3 - E.2.4.8 The calculated value from
Clause1 - E.3 Report
Subclause2 - E.3.1 Methods
Subclause2 - E.3.2 Contaminant mass
Subclause2 - E.3.3 Particle size
Subclause2 - E.3.4 Chemical composition
Subclause2 - E.3.5 Particle size distribution
AnnexInformative - Test stand for end use simulation — Design guidelines
Clause1 - F.1 Scope
Clause1 - F.2 End use simulation test stand
Subclause2 - F.2.1 General guidelines
Subclause3 - F.2.1.1 Lines
Subclause3 - F.2.1.2 Connectors
Subclause3 - F.2.1.3 Arrangement of lines and connectors
Subclause3 - F.2.1.4 Valves
Subclause2 - F.2.2 Test system elements
Subclause3 - F.2.2.1 Reservoir
Subclause3 - F.2.2.2 Pump and drive
Subclause3 - F.2.2.3 Clean-up filter
Subclause3 - F.2.2.4 Heat exchanger
Subclause3 - F.2.2.5 Flowmeter
Subclause3 - F.2.2.6 Temperature sensor
Subclause3 - F.2.2.7 Upstream pressure gauge
Subclause3 - F.2.2.8 Downstream pressure gauge
Subclause3 - F.2.2.9 Sampling valve
Subclause3 - F.2.2.10 Particle counting system
AnnexInformative - Equivalent spherical area of complex enclosed surfaces
Clause1 - G.1 Scope
Clause1 - G.2 Approximate equivalent area
Clause1 - G.3 Determination of approximate equivalent area
Subclause2 - G.3.1 External wetted surfaces
UntitledSubclause3 - G.3.1.1 Perform
UntitledSubclause3 - G.3.1.2 Seal any internal passages.
UntitledSubclause3 - G.3.1.3 Submerge the test item.
UntitledSubclause3 - G.3.1.4 Measure displaced volume of liquid.
UntitledSubclause3 - G.3.1.5 Calculate the approximate equivalent area per
Subclause2 - G.3.2 Internal wetted surfaces
UntitledSubclause3 - G.3.2.1 Perform
UntitledSubclause3 - G.3.2.2 Seal all exit passages.
UntitledSubclause3 - G.3.2.3 Fill the test item with liquid.
UntitledSubclause3 - G.3.2.4 Measure the amount of liquid required to fill the test item
UntitledSubclause3 - G.3.2.5 When filling the test item with liquid, avoid entrapping air.
UntitledSubclause3 - G.3.2.6 Calculate the approximate equivalent area per
Subclause2 - G.3.3 External and internal wetted surfaces
UntitledSubclause3 - G.3.3.1 Perform
UntitledSubclause3 - G.3.3.2 Calculate the approximate equivalent area for the external wetted...
UntitledSubclause3 - G.3.3.3 Calculate the approximate equivalent area for internal wetted sur...
UntitledSubclause3 - G.3.3.4 Calculate the total approximate equivalent area by adding the res...
Bibliography - Bibliography