BS 4220-1 74th Edition, September 6, 1974
Methods of Test for Seats on Agricultural Wheeled Tractors Part 1: Tests on Artificial Track
Includes all amendments and changes through Reaffirmation Notice , March 15, 2002
Additional Comments: W/D NO S/S
Published By:British Standards Institution (BSI)
Tests for a seat intended for a nominated tractor model; provides for measurement of transmitted vertical vibration on artificial track. Defines methods of measurement of important seat dimensions, static deflection and lateral stability characteristics. Specimen report included for guidance.