1 Subject Content and Application Scope
This standard specifies dust proof performance test method for buses which is intended to check the dust proof performance of bus body.
This standard is applicable to various buses. Other vehicles with closed compartment may use for reference.
2 Test Conditions
2.1 The test bus shall be technically in good condition and be subjected to all the tests under no-load conditions.
2.2 Road conditions
2.2.1 The test road shall be dry and dusty earth road or gravel road.
2.2.2 The length of road shall not be less than 10km.
2.3 Meteorological conditions
