AS 2538:2016
16
B5 REPORT
The report shall include the following: (a)
The test mass used.
(b)
Whether or not the height adjustment mechanism is released when the specified force was applied.
(c)
Reference to this test method, i.e. AS 2538, Appendix B.
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AS 2538:2016
17
APPENDIX C TEST FOR STRUCTURAL INTEGRITY
(Normative) C1 SCOPE
This Appendix sets out a method for testing the structural strength of a vehicle support stand when loaded in its worst possible configuration. C2 PRINCIPLE
A vehicle support stand is subjected to a specified eccentric force which is applied to the end of the engagement head that is extended, if possible, and orientated in such a position that would most likely lead to a break, fracture, or permanent deformation of the stand. C3 APPARATUS
The following apparatus is required: (a)
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A suitable device (e.g. a hydraulic test rig) calibrated to ensure— (i)
a minimum readability of 1 in 40;
(ii)
a minimum accuracy of ±5%;
(iii)
a minimum repeatability of ±5%; and capable of applying the appropriate force and having a means of indicating the force being applied. Alternatively, a suitable rig which employs a weight of appropriate mass to apply the force may be used.
(b)
A means of measuring linear distance to an accuracy of
± 0.5
mm.
(c)
A means of measuring perpendicular height of a point above a plane.
(d)
A 50 mm diamete r metal rod through which the force can be transmit ted to the engagement head.
(e)
A suitably large, hard, flat surface such as metal, onto which the vehicle support stand is stood and tested.
C4 PROCEDURE
The procedure shall be as follows: (a)
Position the vehicle support stand so that it is in the least stable configuration (see Appendix A) and measure the height. NOTE: See Figure A2.
(b)
Align the axis of the 50 mm diameter rod vertically so that it passes through the point Q on the periphery of the engagement head. NOTE: See Figure A1.
(c)
Gradually apply a force via the rod to the engagement head and increase the force to 1.5 times the nominated capacity and then hold for 60 s.
(d)
Remove the force and measure the height a, in millimetres.
(e)
Manually adjust the height of the stand through its full range of travel.
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AS 2538:2016
18
C5 REPORT
The report shall include the following: (a)
The loss of height, if any, which occurred, expressed as a percentage of the original height a.
(b)
In the event of a failure, the mode of failure.
(c)
Whether or not it was possible to manually adjust the height of the stand through its full range of travel.
(d)
Reference to this test method, i.e. AS 2538, Appendix C.
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Standards Australia
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AS 2538:2016
19
APPENDIX D OVERLOAD TEST
(Normative) D1 SCOPE
This Appendix sets out a method for determining the vehicle stand’s ability to support a force equal to three times its nominated capacity. D2 APPARATUS
The following apparatus is required: (a)
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A suitable device (e.g. a hydraulic test rig) calibrated to ensure— (i)
a minimum readability of 1 in 40;
(ii)
a minimum accuracy of ±5%;
(iii)
a minimum repeatability of ±5%; and capable of applying the appropriate force and having a means of indicating the force being applied. Alternatively, a suitable rig which employs a weight of appropriate mass to apply the force may be used.
(b)
A means of measuring linear distance to an accuracy of
± 0.5
mm.
(c)
A means of measuring perpendicular height of a point above a plane.
(d)
A 50 mm diamete r metal rod through which the force can be transmit ted to the engagement head.
(e)
A suitably large, hard, flat surface such as metal, onto which the vehicle support stand is stood and tested.
D3 PROCEDURE
The procedure shall be as follows: (a)
Position the vehicle support stand so that it is in the least stable configuration (see Appendix A) and measure the height a. NOTE: See Figure A2.
(b)
Align the axis of the 50 mm rod horizontally so that it passes through the centre of the engagement head.
(c)
Gradually apply a force to the centre of the engagement head and increase the force to three times the nominated capacity and then hold for 60 s.
(d)
Remove the force and measure the height a, in millimetres.
D4 REPORT
The report shall include the following: (a)
The loss of height, if any, which occurred, expressed as a percentage of the original height a (see Clause 5.2).
(b)
In the event of a failure, the mode of failure.
(c)
Reference to this test method, i.e. AS 2538, Appendix D.
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Australia
AS 2538:2016
20
NOT ES
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