GB/T 30034-2013Criteria for changing of heavy-duty vechicle gear oil(GL-5) (English PDF)
重负荷车辆齿轮油（GL-5）换油指标
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 27, 2013
Implementation date
May 1, 2014
Scope
GB/T 30034-2013 is the English-translated version of 重负荷车辆齿轮油（GL-5）换油指标.
GB/T 30034-2013 is the Chinese standard "Criteria for changing of heavy-duty vechicle gear oil(GL-5)". Its scope clause reads: This standard specifies the heavy-duty vehicle gear oil in the course of the oil change indicator.
This standard applies to the drive axle gear transmission gear oil used in heavy-duty vehicles in the course of quality monitoring and oil change requirements. Implementation of this standard requires the use of drive axle and the technical condition of normal, and in the course of implementation of regular monitoring on the nature of the oil. Its clauses include requirements and test methods.
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Document preview — GB/T 30034-2013
National Standard of the People's Republic of China
- ICS
- 75.100
- Classification
- E 34
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
This standard specifies the heavy-duty vehicle gear oil in the course of the oil change indicator.
This standard applies to the drive axle gear transmission gear oil used in heavy-duty vehicles in the course of quality monitoring and oil change requirements.
Implementation of this standard requires the use of drive axle and the technical condition of normal, and in the course of implementation of regular monitoring on the nature of the oil.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 260 Petroleum products - Determination of water content
GB/T 265 Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 7304 Petroleum products and lubricants - Determination of acid number (potentiometric titration)
GB/T 8926 insolubles in lubricating oil used in assay
GB/T 11137 Black petroleum products - Determination of kinematic viscosity (reverse - flow method) and calculation of dynamic viscosity
GB/T 17476 used lubricating oil additive elements, wear metals, and contaminants in base oils assay element (Inductively coupled plasma atomic emission spectrometry)
SH/T 0102 lubricating oil and liquid fuels - Determination of copper (atomic absorption spectrometry)
ASTMD6595 emission spectrometry used oil and used hydraulic oil contaminants and metals rotary electrode atom
Wear evaluation method
3 requirements and test methods
3.1
Technical requirements and test methods for heavy-duty vehicle gear oil change criterion in Table 1, oil change indicators described in Appendix A.
1 heavy-duty vehicle gear oil change criterion of technical requirements and test methods for tables
Item Index Test Method Oil Change
100 °C motion viscosity change rate /% > 10 ~ -15 GB/T 265, and this standard 3.3
Acid value (change value in dollars KOH)/(mg/g) > ± 1 GB/T 7304
N-pentane insolubles /% > 1.0 GB/T 8926B law
Moisture (mass fraction) /% > 0.5 GB/T 260
Iron content/(µg/g) > 2000 GB/T 17476, ASTMD6595
Copper content/(µg/g) > 100
GB/T 17476, SH/T 0102
ASTMD6595 3.2 When using the heavy-duty vehicle gear oil has reached an indicator of change criterion should be replaced with new oil.
Rate of change of 3.3 kinematic viscosity eta (%) according to equation (1).
......
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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