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JB/T 5089.3-2020 English PDF (JBT5089.3-2020)

JB/T 5089.3-2020 English PDF (JBT5089.3-2020)

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JB/T 5089.3-2020: Internal combustion engines - Paper-element oil filters - Part 3: Test method

This Part of JB/T 5089 specifies the terms and definitions, test items, test methods for the test of full-flow paper filter oil filters for internal combustion engines.
JB/T 5089.3-2020
JB
MECHANICAL INDUSTRY STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 27.020
J 95
Replacing JB/T 5089.3-2010
Internal combustion engines - Paper-element oil filters - Part
3: Test Method
ISSUED ON: AUGUST 31, 2020
IMPLEMENTED ON: APRIL 01, 2021
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 6
4 Test items ... 6
5 Test methods ... 7
5.1 Pressure-flow characteristic test ... 7
5.2 Original filtration efficiency, life, cumulative efficiency tests ... 7 5.3 Cleanliness test ... 7
5.4 Sealing test ... 7
5.5 Initial bubbling pressure test of filter element ... 8
5.6 Performance test of bypass valve ... 8
5.7 Test of resistance to high pressure drop and high temperature performance of filter element ... 9
5.8 Static pressure strength test ... 9
5.9 Cold start simulation and hydraulic pulse fatigue test ... 10
5.10 Vibration fatigue test ... 11
5.11 Corrosion resistance test ... 11
5.12 Performance test of sealing ring ... 11
5.13 Performance test of pressure regulating valve ... 11
Internal combustion engines - Paper-element oil filters - Part
3: Test methods
1 Scope
This Part of JB/T 5089 specifies the terms and definitions, test items, test methods for the test of full-flow paper filter oil filters for internal combustion engines. This Part applies to the full-flow paper filter oil filter assembly and filter element, for small and medium-power internal combustion engines (hereinafter referred to as the assembly and filter element, respectively).
2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this standard.
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test method - Test Ka: Salt mist
GB/T 3672.1 Rubber - Tolerances of products - Part 1: Dimensional tolerances GB/T 3672.2 Rubber - Tolerances of products - Part 2: Geometrical tolerances GB/T 3821 Small and medium power internal combustion engines - Cleanliness limits and measurements
GB/T 8243.1 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 1: Differential pressure/flow characteristics GB/T 8243.2 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 2: Element by-pass valve characteristics
GB/T 8243.3 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 3: Resistance to high differential pressure and to elevated temperature
GB/T 8243.4 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 4: Initial particle retention efficiency, life and cumulative efficiency (gravimetric method)
GB/T 8243.5 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 5: Test for cold start simulation and hydraulic pulse durability
GB/T 8243.7 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 7: Vibration fatigue test
GB/T 14041.1 Hydraulic fluid power - Filter elements - Part 1: Verification of fabrication integrity and determination of the first bubble point
GB/T 28950.1 Road vehicles and internal combustion engines - Filter vocabulary - Part 1: Definitions of filters and filter components
GB/T 28950.2 Road vehicles and internal combustion engines - Filter vocabulary - Part 2: Definitions of characteristics of filters and their components
3 Terms and definitions
The terms and definitions, which are defined in GB/T 28950.1 and GB/T 28950.2, apply to this document.
4 Test items
The test and inspection items, which are specified in this Part, are as follows: a) Pressure-flow characteristic test;
b) Original filtration efficiency, life, cumulative efficiency tests;
c) Cleanliness test;
d) Sealing test;
e) Initial bubbling pressure test of filter element;
f) Bypass valve performance test;
g) Test of filter element's resistance to high pressure drop and high temperature performance;
h) Static pressure strength test;
i) Cold start simulation and hydraulic pulse fatigue test;
j) Vibration fatigue resistance test;
k) Corrosion resistance test;
5.4.2 Test medium and temperature
The test medium is dry, clean air; the test is conducted at room temperature. 5.4.3 Test procedure
5.4.3.1 Install the assembly under test to the test device. Connect the inlet end to the air source. Connect the outlet end to the pressure gauge. The flange surface of the filter seat, which has the oil inlet and outlet holes, shall be tightly fixed and sealed on the mounting plate. The pressure regulating valve and other components shall be well installed, to prevent water from entering the assembly.
5.4.3.2 Submerge the tested assembly into the water.
5.4.3.3 Adjust the pressure regulating valve 3, so that the indication value of the pressure gauge 7 reaches 800 kPa. Then start the timer. Within 1 minute, no bubbles shall appear on each sealing surface.
5.4.4 Test report
The test report shall include the following content:
a) Assembly manufacturer;
b) Product name and model:
c) Indication of the newness or usage time of the assembly:
d) Test pressure and pressure holding time:
e) Test organization and test personnel;
f) Test date.
5.5 Initial bubbling pressure test of filter element
The test shall be carried out in accordance with the provisions of GB/T 14041.1. The test liquid is isopropyl alcohol.
5.6 Performance test of bypass valve
The test shall be carried out, in accordance with the provisions of GB/T 8243.2. b) Connect the manual hydraulic pump to the inlet of the filter seat (or test filter seat). Connect an oil outlet valve to the outlet of the filter seat. The outlet of the oil outlet valve shall be placed at the highest point of the entire system. c) Operate the manual hydraulic pump, to pump the test fluid into the system, until the test fluid flows out of the outlet of the oil delivery valve. This indicates that all air has been removed from the system.
d) Close the oil outlet valve. Install a protective cover between the test observer and the test piece.
e) Gradually increase the oil pressure to 1800 kPa. Hold the pressure for 5 minutes. During the entire pressure holding process, check whether there is leakage or deformation of the test piece and all pipelines.
f) Open the oil outlet valve. Reduce the oil pressure to zero. Check the test piece for permanent deformation and other defects. Manually rotate the test piece housing, to confirm that the housing does not loosen under the test pressure. Check the relative movement of the assembly, as relative to the filter seat (or test filter seat). 5.8.4 Test report
The test report shall at least include the following contents:
a) The holding pressure of the test piece during the test, in kilopascal (kPa); the holding time without damage, in minutes (min).
b) The duration of pressure holding when damage occurs, in minutes (min); the form and location of the damage.
c) The tightening torque applied by the tightening assembly, in Newton meters (N ?€? m).
d) Rated volumetric flow rate of the test piece, in liters per minute (L/min). e) A brief description of the test piece, whether it is a new piece or a used piece. If it is a used piece, the approximate time of use shall be given, in hours (h). f) Manufacturer and model of the test piece.
5.9 Cold start simulation and hydraulic pulse fatigue test
The test shall be carried out, in accordance with the provisions of GB/T 8243.5.

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