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JB/T 7157-2010Construction machinery - Detection methods for cleanliness of fuel tank (English PDF)

工程机械燃油箱清洁度测定方法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

February 11, 2010

Implementation date

July 1, 2010

Scope

JB/T 7157-2010 is the English-translated version of 工程机械燃油箱清洁度测定方法.

JB/T 7157-2010 is the Chinese standard "Construction machinery - Detection methods for cleanliness of fuel tank".

Its scope clause reads: This standard specifies a method of detecting the cleanliness of construction machinery fuel tanks by weighting method, including detection objects, preparations, impurity collection, impurity detection, impurity analysis and test report.

This standard is applicable to the detection of cleanliness of fuel tanks of the construction machinery powered by internal combustion engines. Its clauses include terms and definitions; detection objects; preparations; impurity collection.

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Document preview — JB/T 7157-2010

National Standard of the People's Republic of China

ICS: 53.100
Replacing: JB/T 7157-1993

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Detection objects
5 Preparations
6 Impurity collection
7 Impurity detection
7.1 Filtration (whole solution through filtering and sample filtering)
7.2 Drying and weighing
8 Impurity analysis
9 Test report

1 Scope

This standard specifies a method of detecting the cleanliness of construction machinery fuel tanks by weighting method, including detection objects, preparations, impurity collection, impurity detection, impurity analysis and test report.

This standard is applicable to the detection of cleanliness of fuel tanks of the construction machinery powered by internal combustion engines.

2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.

JB/T 7158-2010 Construction machinery - Detection methods for cleanliness of parts

QC/T 571 Work guideline for cleanliness of automobile - Nouns and terms

3 Terms and definitions

For the purposes of this standard, the terms and definitions given in QC/T 571 apply.

4 Detection objects

Detection shall be conducted for the fuel tank before final assembly, including all surfaces of the fuel tank in contact with fuel.

5 Preparations

5.1

The operators, environment and supplies shall be prepared before the detection according to the requirements of JB/T 7158-2010, Clause 5.

5.2

The area around the oil injection hole of the fuel tank shall be cleaned, and no external dirt shall fall into the fuel tank during cleaning.

6 Impurity collection

6.1

Remove the oil injection hole cover of the fuel tank, without causing dirt to fall into the fuel tank.

6.2

Inject cleaner (first-grade solvent oil) into the oil injection hole, and the injection amount shall be as specified in Table 1. Put on the oil injection hole cover and seal other holes, lift the tank with lifting equipment and shake it fully, and then pour the dirty solution generated from cleaning into the container.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

JB/T 7661-2018|QC/T 512-1999|NB/SH/T 6084-2024|GB 18296-2019|GB/T 35684-2017|QC/T 1061-2017

Editions of JB/T 7157

Edition	Title	Revision	Status
JB/T 7157-2010	Construction machinery - Detection methods for cleanliness of fuel tank	current edition	Current
JB/T 7157-1993	Construction machinery - Detection methods for cleanliness of fuel tank	previous edition	Superseded

This page sells the current edition, JB/T 7157-2010. Earlier editions are listed for reference only.

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