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BS ISO 12345:2021

BS ISO 12345:2021

$189.07

Diesel engines. Cleanliness assessment of fuel injection equipment

Published By Publication Date Number of Pages
BSI 2021 46
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This document specifies cleanliness assessment procedures for evaluating the amount of debris found within the clean side of diesel fuel injection assemblies, which could lead to a reduction in the systemā€™s operational effectiveness.

While other International Standards, e.g. ISO 16232 , relate to cleanliness of components used in road vehicle fluid circuits, this document is focused on diesel fuel injection assemblies as supplied to diesel engine manufacturers or the service market.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Test apparatus
4.1 Pressure source
4.1.1 Fuel injection pump test bench
4.1.2 Hand-lever-operated testing and setting apparatus
4.1.3 High-pressure pulsating flow rig
4.1.4 Verification low-pressure pump
11 4.1.5 Verification high-pressure delivery pump
4.1.6 Pressure vessel
4.1.7 Flushing pump
4.2 Verification high-pressure pipe assembly
4.3 Verification test injector
4.4 Collecting vessel
4.5 Verification rail
4.6 Equipment for contamination measurement
12 4.6.1 Gravimetric analysis apparatus
13 4.6.2 Microscopic analysis apparatus
4.7 Test fluid
4.7.1 Calibration fluid
4.7.2 Solvent, aliphatic hydrocarbon
14 4.7.3 Water, de-mineralised
4.8 Clean-up filter
4.9 Pressure gauge
5 Procedure
5.1 General
15 5.2 High-pressure supply pumps (common rail fuel injection system)
5.2.1 General
5.2.2 Dynamic test with the test pump running
16 5.2.3 Flushing test at low speed with the test pump running by hand
5.3 Unit injectors
5.3.1 General
5.3.2 Equipment set up and verification of cleanliness
17 5.3.3 Test procedure
5.4 Fuel injection pumps
5.4.1 General
5.4.2 Equipment set up and verification of cleanliness
5.4.3 Test procedure
18 5.5 CR fuel injectors
5.5.1 General
5.5.2 Dynamic test
19 5.5.3 Continuous high-pressure flow test
20 5.6 Fuel injectors (nozzle holder assemblies)
5.6.1 General
5.6.2 Dynamic test
5.6.3 Syringe test (washing out injectors)
21 5.7 High-pressure fuel injection pipes
5.7.1 General
5.7.2 Dynamic test
22 5.7.3 High-pressure flushing test
5.7.4 Syringe (solvent dispenser) or hand flush test
23 5.8 Rails
5.8.1 General
5.8.2 Pressure vessel flushing test
24 5.8.3 Low-pressure flushing test
26 5.8.4 Syringe or hand flush test
5.9 Low-pressure systems
5.9.1 General
5.9.2 Equipment set up and verification of cleanliness
27 5.9.3 Test procedure
6 Sample analysis
6.1 General
6.2 Gravimetric analysis
6.3 Particle size distribution
28 7 Reporting of the inspection results
8 Designation of cleanliness requirements
29 Annex A (normative) Typical test equipment for measuring fuel injection equipment cleanliness
35 Annex B (normative) Rail low-pressure flushing test
37 Annex C (normative) Procedure for verifying test equipment initial cleanliness
40 Annex D (normative) Determination of flushing parameters for rail pressure vessel flushing test
42 Annex E (informative) Comparison of CCC (component cleanliness code, ISO 16232) to FIECC (fuel injection equipment cleanliness code, ISO 12345:2013)
44 Bibliography

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BS ISO 12345:2021
$189.07