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JB/T 7282-2016Selection of lubricant types and specifications for tractors (English PDF)

拖拉机用润滑油品种、规格的选用

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

April 5, 2016

Implementation date

September 1, 2016

Scope

JB/T 7282-2016 is the English-translated version of 拖拉机用润滑油品种、规格的选用.

JB/T 7282-2016 is the Chinese standard "Selection of lubricant types and specifications for tractors". Its scope clause reads: This standard specifies the selection of the types and specifications of lubricants for tractors.

This standard is applicable to tractors. Its clauses include terms and definitions; tractor chassis lubricant.

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Document preview — JB/T 7282-2016

National Standard of the People's Republic of China

Replacing: JB/T 7282-2004

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

Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Tractor chassis lubricant
4.1 Selection of tractor chassis lubricant
4.2 Selection of viscosity grade
5 Tractor diesel engine oil
5.1 Quality grade
5.2 Application scope
5.3 Selection of viscosity grade
Annex A (Normative) Major quality indexes of medium duty vehicle gear oil
Annex B (Normative) Major quality indexes of hydraulic and transmission oil
Annex C (Normative) Major quality indexes of multifunctional transmission oil
Annex D (Informative) FZG low speed gear wear test
D.1 Overview of test method
D.2 Test instruments and materials
D.3 Preparation
D.4 Test procedures
D.5 Metering
D.6 Test report
Annex E (Informative) Example of lubricant thermal oxidation stability test
E.1 Test description
E.2 Test conditions
E.3 Evaluation result
Annex F (Informative) Example of friction characteristics test of wet friction plate and disc
F.1 Test description
F.2 Test method
F.3 Evaluation result
Figure D.1 FZG standard test bench
Figure E.1 Example of schematic diagram for lubricant thermal oxidation stability test
Figure E.2 Evaluation of deposit conditions after test
Figure F.1 Schematic diagram for friction test
Table 1 Tractor chassis lubricant
Table 2 Viscosity grade of tractor chassis lubricant at different ambient temperatures
Table 3 Quality grade and application scope of tractor diesel engine oil
Table 4 Viscosity grade of tractor diesel engine oil at different ambient temperatures
Table A.1 Major quality indexes of medium duty vehicle gear oil
Table B.1 Major quality indexes of hydraulic and transmission oil
Table C.1 Major quality indexes of multifunctional transmission oil
Table D.1 Test Record Sheet
Table E.1 Test conditions for lubricant thermal oxidation stability test
Table F.1 Test conditions for the friction characteristics test of wet friction plate and disc

1 Scope

This standard specifies the selection of the types and specifications of lubricants for tractors.

This standard is applicable to tractors.

2 Normative references

The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition of the normative document (including any amendments) applies.

GB/T 260 Determination of water content in petroleum products

GB/T 265 Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity

GB/T 511 Petroleum, petroleum products and additives - Method for determination of mechanical admixtures

GB/T 1995 Petroleum products - Calculation of viscosity index

GB 3142 Lubricants - Determination of load-carrying capacity (four-ball method)

GB/T 3535 Petroleum products - Determination of pour point

GB/T 3536 Petroleum products - Determination of flash and fire points - Cleveland open cup method

GB 5096-1985 Petroleum products - Corrosiveness to copper - Copper strip test

GB 11118.1 Hydraulic fluids of L-HL, L-HM, L-HV, L-HS and L-HG type

GB 11122-2006 Diesel engine oils

GB/T 11143-2008 Standard test method for rust-preventing characteristics of inhibited mineral oil in the presence of water

GB/T 11145 Standard test method for measurement of low-temperature viscosity of lubricants - Brookfield viscometer method

GB/T 12579 Determination of foaming characteristics of lubricating oils

GB 13895 Heavy duty gear oils for automobile (GL-5)

GB/T 14832 Test methods for compatibility between hydraulic fluids and standard elastomeric materials

GB/T 17477-2012 Automotive gear lubricant viscosity classification

NB/SH/T 0306-2013 Standard test method for evaluating the scuffing load capacity of oils (FZG visual observation)

SH/T 0103 Standard test method for shear stability of polymer containing fluids using an European diesel injector apparatus

3 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

3.1 hydraulic and transmission oil

oil with performance of vehicle gear oil and hydraulic oil, which can be applied simultaneously for tractor drive and hydraulic systems other than wet clutch and wet brake

3.2 multifunctional transmission oil

oil with performance of vehicle gear oil and hydraulic oil as well as certain friction characteristics, which can be applied simultaneously for tractor drive, hydraulic and brake systems with wet clutch and wet brake

3.3 tractor chassis lubricant

lubricant for mechanical, hydraulic and friction components of tractor chassis

3.4 tractor diesel engine oil

oil for tractor diesel engine assembly

3.5

FZG low speed gear wear test test using the FZG standard test stand at low speed and heavy load in order to evaluate the performance of tractor lubricant under gear wear protection according to tractor gear wear results

3.6 lubricant thermal oxidation stability test

test to detect the oxidation resistance of lubricant by introducing hot air at a certain rate into an oil sample of fixed volume for a certain period of time, and evaluate the oxidation resistance of lubricant under specified conditions according to the changes of physical and chemical indexes such as the kinematic viscosity of the lubricant and the deposition of sludge deposit

3.7

friction characteristics test of wet friction plate and disc friction test on the wet friction pair by simulating the actual working condition of the wet friction pair (combination of friction plate and dual disc) using standard friction test stand for wet friction plate and disc

Note: If factors such as friction materials and related structural dimensions are fixed, the friction characteristics of lubricant shall be judged according to the curve trends under various friction coefficients and the wear of friction plate and disc.

4 Tractor chassis lubricant

4.1 Selection of tractor chassis lubricant

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

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Cited by

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Editions of JB/T 7282

Edition	Title	Revision	Status
JB/T 7282-2016	Selection of lubricant types and specifications for tractors	current edition	Current
JB/T 7282-2004	Selection of lubricant types and specifications for tractors	previous edition	Superseded

This page sells the current edition, JB/T 7282-2016. Earlier editions are listed for reference only.

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