JB/T 9737.3-2000 This standard is a revision of the original ZB E39 003-87 "Selection and replacement of hydraulic oil for truck cranes and tire cranes". During the revision, clear provisions were made on the selection of hydraulic oil varieties. This standard is part of the JB/T 9737 "Hydraulic oil for truck cranes and tire cranes" series of standards: JB/T 9737.1-2000 Solid particle contamination level of hydraulic oil for truck cranes and tire cranes JB/T 9737.2-2000 Solid particle contamination measurement level of hydraulic oil for truck cranes and tire cranes JB/T 9737.3-2000 Selection and replacement of hydraulic oil for truck cranes and tire cranes This standard specifies the limit index of physical and chemical property change of hydraulic oil for truck cranes and tire cranes and the principle of selection and replacement of hydraulic oil. This standard is applicable to cranes specified in JB/T 1375-1992 "Classification of truck cranes and tire cranes". Note: This standard was first issued in 1987. However, the approval was not timely in the 1999 review, and the new number could not be given in time, so it was regarded as natural elimination. Therefore, the replacement relationship is not written on the first page of the standard text, but only stated in the preface. JB/T 9737.3-2000 Selection and replacement of hydraulic oil for truck cranes and tire cranes JB/T9737.3-2000 standard download decompression password: www.bzxz.net

ICS91.220
Machinery Industry Standard of the People's Republic of China
JB/T9737.3—2000
Truck crane and wheel crane-Chosing and replacing of the hydraulic fluid
Truck crane and wheel crane-Chosing and replacing of the hydraulic fluid2000-04-24 Issued
National Machinery Industry Bureau
2000-10-01 Implementation
JB/T9737.32000
This standard is a revision of ZBE39003—87 "Selection and Replacement of Hydraulic Fluid for Truck Cranes and Wheel Cranes". Compared with ZBE39003—87, the main technical content of this standard has been changed as follows: the selection of hydraulic fluid varieties is clearly specified in accordance with GB11118.1—1994 "Mineral Oil and Synthetic Hydrocarbon Hydraulic Fluid". JB/T9737 consists of three standards under the general title of "Hydraulic oil for truck cranes and tire cranes". This standard, together with JB/T9737.1-2000 "Solid particle pollution level of hydraulic oil for truck cranes and tire cranes" and JB/T9737.2-2000 "Measurement method of solid particle pollution of hydraulic oil for truck cranes and tire cranes", constitute a series of standards for hydraulic oil for truck cranes and tire cranes.
Appendix A of this standard is an appendix to the standard.
Appendix B and Appendix C of this standard are both indicative appendices. This standard is proposed and managed by Changsha Construction Machinery Research Institute of the Ministry of Construction. The drafting unit of this standard: Hunan Puyuan Group Co., Ltd. The main drafter of this standard: Meng Xialong.
This standard is entrusted to Changsha Construction Machinery Research Institute of the Ministry of Construction for interpretation. 1 Scope
Machinery Industry Standard of the People's Republic of China
Selection and replacement of hydraulic fluid for truck cranes and wheel cranes
Truck crane and wheel crane
Chosing and replacing of the hydraulic fluidJB/T9737.3—2000
This standard specifies the limit indicators of changes in the physical and chemical properties of hydraulic fluids used in truck cranes and wheel cranes (hereinafter referred to as cranes) and the principles for selecting and replacing hydraulic fluids.
This standard applies to cranes specified in JB/T1375. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T260—1977
GB/T 261—1983
GB/T265—1988
GB/T 511—1988
GB/T2433—1981
GB/T 2541—1981
GB/T 3141 — 1994 | | tt | |GB/T7631.2—1987
GB/T8021—1987
GB 11118.1—1994
GB/T11143—1989
GB/T12579—1990
GB/T12581—1990
JB/T1375—1992
Determination of moisture content in petroleum products
Determination of flash point of petroleum products (closed cup method)Determination of kinematic viscosity and calculation of dynamic viscosity of petroleum productsDetermination of mechanical impurities in petroleum products and additives (gravimetric method)Determination of sulfated ash content in additives and lubricants containing additivesCalculation table of viscosity index of petroleum products
ISO viscosity classification of industrial liquid lubricants
Determination of pour point of petroleum
Determination of flash point and fire point of petroleum products (Cleveland open cup method)Neutralization value of petroleum products and lubricants Method for determination of the copper strip corrosion of petroleum products (color indicator method)
Color determination of petroleum products
Determination of the demulsification property of petroleum and synthetic fluids Classification of lubricants and related products (Class L) Part 2: Determination of the saponification value of petroleum products of group H (hydraulic system)
Mineral oil type and synthetic hydrocarbon type hydraulic oil
Test method for the antirust property of mineral oil with inhibitor in the presence of water Determination of the foaming properties of lubricating oils
Determination of the oxidation properties of mineral oil with inhibitor Classification of automobile cranes and tire cranes
Approved by the State Bureau of Machinery Industry on April 24, 2000 and implemented on October 1, 2000
JB/T9737.1—2000
JB/T9737.2—2000
SH/T 0103—1992
SH/T 0189—1992
SH/T 0193—1992
SH/T0209—1992
SH/T 0301—1993
SH/T0305—1993| |tt||SH/T0306—1992
SH/T0307—1992
SH/T 0308—1992
SH/T0361—1992
SH/T0565—1993
3 Selection of hydraulic oil
JB/T9737.3-2000
Level of solid particle contamination of hydraulic oil for truck cranes and tire cranesMethod for measuring solid particle contamination of hydraulic oil for truck cranes and tire cranesDetermination of shear stability of polymer-containing oil (diesel nozzle method)Determination of anti-wear performance of lubricating oil (four-ball machine method)Determination of oxidation stability of lubricating oil (rotating oxygen bomb method) Method) Hydraulic oil thermal stability test method
Hydraulic oil filterability test method
Hydraulic oil hydrolysis stability test method (glass bottle method) Petroleum product sealing adaptability index test method Lubricating oil load-bearing capacity test method (CL-100 gear machine method) Petroleum-based hydraulic oil wear characteristics test method (vane pump method) Lubricating oil air release value test method
Guide rail oil
Sludge tendency test method for mineral oil with inhibitor 3.1 According to the working environment temperature of the crane and the type of hydraulic pump in the hydraulic system, select hydraulic oil with appropriate viscosity according to Table 1. Table 1 Viscosity selection
Ambient temperature
Pump type
Vane pump
Gear pump
Piston pump
Below 6.3MPa
Above 6.3MPa
≤40℃
Kinematic viscosity (40℃)
>40℃
Kinematic viscosity (40℃)
98~137
98-195
3.2 Cranes should use hydraulic oil with good wear resistance and viscosity-temperature properties among the products belonging to GB11118.1. The quality indicators of hydraulic oil are shown in Table B1 and Table B2 of Appendix B (Suggested Appendix). Generally, L-HV varieties should be selected. For cranes used in areas south of the Yangtze River, L-HM varieties can also be selected: For cranes used in severely cold areas, L-HS varieties should be selected. 3.3 The solid particle pollution level of the hydraulic oil added to the crane hydraulic oil tank shall comply with the provisions of JB/T9737.1-2000 and shall not exceed 18/15.
4 Replacement of hydraulic oil
4.1 Crane manufacturers and users shall test the kinematic viscosity, acid value, moisture, flash point, solid particle pollution level and other items of the hydraulic oil used in the product. The test data shall be filled in Table A1 of Appendix A (Standard Appendix). 4.2 The hydraulic oil in the hydraulic system of the crane shall be sampled and tested regularly. For products in normal use, sampling shall be carried out once every three months: for products with frequent operation and harsh environment, sampling shall be carried out once a month. The test items shall be in accordance with Appendix A, and the sampling method and solid particle pollution level shall be in accordance with JB/T9737.2-2000 and JB/T9737.1-2000, kinematic viscosity is measured according to GB/T265, acid value is measured according to GB/T4945, water content is measured according to GB/T260, and flash point is measured according to GB/T3536. The test results are filled in Table A1 of Appendix A. The index value of the physical and chemical properties of hydraulic oil shall not exceed the limit index of the change of the physical and chemical properties of hydraulic oil specified in Table 2, otherwise it needs to be filtered or replaced. 4.3 Hydraulic oils of different varieties and different viscosity grades shall not be mixed. 4.4 The oil change steps are shown in Appendix C (suggested appendix). 4.5 After the hydraulic oil is replaced, the hydraulic oil in the hydraulic system should be sampled and tested. The test results are filled in Table A1 of Appendix A. 4.6 Indicate in the product instruction manual: The replacement of hydraulic oil should be in accordance with the provisions of JB/T9737.3. Table 2 Limit indicators of changes in the physical and chemical properties of hydraulic oil Test items
Kinematic viscosity (40℃)
Increase in acid value mgKOH/g
Flash point change (open)
Solid particle contamination level
Limit indicators of changes in the physical and chemical properties of hydraulic oil
±10%~±15%
JB/T9737.3-2000
Appendix A
(Appendix to the standard)
Management and inspection card of hydraulic oil for truck cranes and tire cranes A1 See Table A1 for the management and inspection card of hydraulic oil for truck cranes and tire cranes, and see Table A2 for the inspection and replacement record of hydraulic oil. Table A1 Hydraulic oil management and inspection card for truck cranes and tire cranes Product model:
Hydraulic pump model:
Specified hydraulic oil code:
Total system oil consumption:
Oil filter model:
Filter accuracy:
Oil filling or
Hydraulic oil
Oil change date code
Test items
Kinematic viscosity (40℃) mm2/s
Acid value increase mgkOH/g
Flash point change (open)
Solid particle pollution level
Sampling interval
Operation time
Cumulative operation
Hydraulic Oil testing and replacement record
Limit indicators of changes in physical and chemical properties of hydraulic oil
Test items and data
Kinematic viscosity
(40℃)
mgKOH/g
(Open)
Solid particles
Pollution level
±10%~15%
Laborator
Appendix B
(Suggestive appendix)
Mineral oil type hydraulic oil (L-HL, L-HM and L-HG) Mineral oil type hydraulic oil (L-HL, L-HM and L-HG) see Table BI, mineral oil type hydraulic oil (L-HV) and hydrocarbon type hydraulic oil (L-HS) see Table B2. B1
Table B1 Mineral oil type hydraulic oil (L-HL, L-HM and L-HG) Item
Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Kinematic viscosity mm2/s
Viscosity index 1》
Flash point ℃
Pour point ℃
Air release value (50℃)
Seal adaptability performance index
Anti-emulsification (40-37-3)
Not more than
Not less than| |tt||Not less than
Not less than
Not higher than
Not greater than
Not greater than
Not greater than
14002560
160180
Test method
GB/T265
GB/T2541
GB/T3536
GB/T261
GB/T3535
SH/T0308
SH/T0305
GB/T7305
JB/T9737.3-2000
Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Foaming property (foaming tendency/
Foaming stability)
After 24℃
Chroma number
Neutralization value
mgKOH/g
Water %
Mechanical impurities %
Not more than
Not more than
Not more than||tt ||Not more than
Not more than
Corrosion test (copper sheet, 100℃, 3h)
Sulfated ash %
Liquid phase rust test
Distilled water
Synthetic seawater
Saponification value
mgKOH/g
Not more than
Stick-slip characteristics (difference in dynamic and static friction coefficient
Not more than
150/10
150/10
150/10
Table B1 (continued)
150/10||t t||150/10
150/10
150/10
150/10
150/10
150/10
150/10
Test method
GB/T12579||tt| |GB/T6540
GB/T4945
GB/T260
GB/T511
GB/T5096
GB/T2433
GB/T11143
GB/T8021
SH/T0361
Appendix A
JB/T9737.3-2000
Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Oxidation stability
a) After oxidation for 1000h3)
Acid value mgKOH/g not more than
Insoluble matter mg
b) Rotary oxygen bomb (150 ℃）
Abrasion resistance
a)FZG (or CL-100) gear machine test (A/8.3/90) 4)
Failure levelbzxz.net
not less than
b)Vane pump test (100h, total
weight loss) 4)
not more than
c)Wear spot diameter (392N, 60min,
75℃, 1200r/min) mm
Hydrolysis stability5
Weight loss of copper sheet, mg/cm2 not more than
Total acid in water layer Degree, mgKOH is not greater than
Appearance of copper sheet
Table B1 (continued)
Superior product
Grayless, black
Test method
GB/T12581
SH/T0565
SH/T0193
SH/T0306
SH/T0307
SH/T0189
SH/T0301
JB/T9737.3-2000
Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Thermal stability (135℃, 168h)5)
Weight loss of copper rod mg/200mL not more than
Weight loss of copper rod mg/200mL
Total sediment weight mg/100mL not more than
Change in kinematic viscosity at 40℃%
Change in neutralization value%
Appearance of copper rod
Appearance of copper rod
Filterability s
not more than
not more than| |tt||Shear stability (after 250 cycles,
40℃ kinematic viscosity change)
Not more than
Table B1 (end)
Superior products
No discoloration
Test method
SH/T0209
SH/T0210
SH/T0103
1) For L-HL (first grade) and L-HM (first grade) produced from non-paraffinic crude oil, the viscosity index can be controlled to be no less than 70 before leaving the factory, but the 0℃ kinematic viscosity must also be controlled. For oils of various quality grades produced from paraffinic crude oil, only the viscosity index is controlled, and the 0℃ kinematic viscosity may not be controlled. 2) To ensure the project, regular measurements are carried out. Other methods for measuring sticky-slip properties may also be used after agreement between the supply and demand parties. 3) To ensure the project, regular measurements are carried out. Oil with viscosity grade 15 is not tested, but the type and amount of antioxidants contained in it should be the same as the test oil sample with viscosity grade 22 when the product is finalized. 4) To ensure the project, regular testing is carried out. For L-HM oil, during product finalization and arbitration testing, only FZG gear machine test is allowed for L-HM32 oil and vane pump test is allowed for L-HM22 oil, but the type and amount of anti-wear agents contained in other viscosity grade oils should be the same as the L-HM22 and L-HM32 test oil samples when the product is finalized. 5) Before the end of 1994, the weight loss of copper sheet in hydrolysis stability test shall be controlled not more than 0.5mg/cm2 and the total acidity of water layer shall be controlled not more than 6.0mgKOH. The weight loss of copper rod and total sediment weight in thermal stability test shall be reported before leaving the factory. JB/T9737.3-2000
Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Kinematic viscosity (40℃)
Temperature when kinematic viscosity is 1500mm/s
Viscosity index
Not higher than
Not less than
Flash point ℃
Not less than
Not less than
Pour point ℃
Not higher than
Air release value (50℃)minNot greater than
Seal adaptability performance index
Anti-emulsification (40-37-3)
Table B2 Mineral oil type hydraulic oil (L-HV) and hydrocarbon type hydraulic oil (L-HS) quality
11.0|16.524.2|35.250.6
100120140
108128
Not greater than report 16
not more than
not more than
Foaming property (foaming tendency/foaming stability) mL/mL
after 24℃
not more than
not more than
not more than
150/10
150/10
150/10
Superior product
28.841.461.290.0
35.250.674.8
100120140
Report 16
150/10 | |tt | tt||50.611.016.524.235.250.6
150/10
150/10
150/10
100120140| |tt||11Report
150/10
150/10
150/10
Test Method
GB/T265
GB/T2541
GB/T3536
GB/T261
GB/T3535
SH/T0308
SH/T0305
GB/T7305
GB/T12579
JB/T9737.3-2000||tt ||Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Color number
Neutralization value
mgKOH/g
Water %
Mechanical impurities %
Not more than
Not more than
Corrosion test (copper sheet, 100℃, 3h) Sulfate ash %
Liquid phase corrosion test
Distilled water
Synthetic seawater
Oxidation stability
a) After oxidation for 1000h)
Acid value mgkOH/g
Insoluble matter mg
Not more than
b) Rotating oxygen bomb (150℃) min
Wear resistance
a) FZG (or CL-100) gear machine
Test (A/8.3/90) 2)
Failure level
Not less than
Superior product
1015223246
Table B2 (continued)
324668100150
1015223246
Test Method
GB/T6540
GB/T4945
GB/T260
GB/T511
GB/T5096
GB/T2433
GB/T11143
GB/T12581
SH/T0565||t t||SH/T0193
SH/T0306
SH/T0307
SH/T0189
JB/T9737.3-20006
100120140
108128
not more than report 16
not more than
not more than
Foaming property (foaming tendency/foaming stability) mL/mL
after 24℃
not more than
not more than
not more than
150/10
150/10 | |tt | 5
-21-12
30 report
841.19 .0013.5
19.828.841.4
100120140
report 16
50.611.016.524.235.250.6
150/10
150/10
150/10
100120140
11 report
150/10||tt| |150/10
150/10
Test method
GB/T265
GB/T2541
GB/T3536
GB/T261
GB/T3535
SH/T0308
SH/T0305
GB/T7305
GB/T12579||tt| |JB/T9737.3-2000
Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Color number
Neutralization value
mgKOH/g
Water %
Mechanical impurities %
Not more than
Not more than
Corrosion test (copper sheet, 100℃, 3h ) grade sulfate ash %
Liquid phase corrosion test
Distilled water
Synthetic seawater
Oxidation stability
a) After oxidation for 1000h)
Acid value mgkOH/g
Insoluble matter mg
Not more than
b) Rotating oxygen bomb (150℃) min
Wear resistance
a) FZG (or CL-100) gear machine||tt ||Test (A/8.3/90) 2)
Failure level
Not less than
Superior product
1015223246
Table B2 (continued)
324668100150
1015223246
Test method
GB/T6540
GB/T4945
GB/T260||t t | SH/T0189
JB/T9737.3-20006
100120140
108128
not more than report 16
not more than
not more than
Foaming property (foaming tendency/foaming stability) mL/mL
after 24℃
not more than
not more than
not more than
150/10
150/10
Premium product
28.841.461.290.0
35.250.674.8
100120140
Report 16||tt| |150/10
150/10
150/10
511.016.5
-21-12
30 report
841.19 .0013.5
19.828.841.4
100120140
report 16
50.611.016.524.235.250. 6
150/10
150/10
150/10
100120140
11 report
150/10||tt| |150/10
150/10
Test method
GB/T265
GB/T2541
GB/T3536
GB/T261
GB/T3535
SH/T0308
SH/T0305
GB/T7305
GB/T12579||tt| |JB/T9737.3-2000
Variety (according to GB/T7631.2)
Quality grade
Viscosity grade (according to GB/T3141)
Color number
Neutralization value
mgKOH/g
Water %
Mechanical impurities %
Not more than
Not more than
Corrosion test (copper sheet, 100℃, 3h ) grade sulfate ash %
Liquid phase corrosion test
Distilled water
Synthetic seawater
Oxidation stability
a) After oxidation for 1000h)
Acid value mgkOH/g
Insoluble matter mg
Not more than
b) Rotating oxygen bomb (150℃) min
Wear resistance
a) FZG (or CL-100) gear machine||tt ||Test (A/8.3/90) 2)
Failure level
Not less than
Superior product
1015223246
Table B2 (continued)
324668100150
1015223246
Test method
GB/T6540
GB/T4945
GB/T260||t t||GB/T511
GB/T5096
GB/T2433
GB/T11143
GB/T12581
SH/T0 565
SH/T0193
SH/T0306
SH/T0307
SH/T0189
JB/T9737.3-2000
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