This International Standard specifies the minimum access openings on earth-moving machinery as defined in ISO 6165 for
a) hand access,
b) head access,
c) body access,
d) arm access,
e) two-handed access.
It provides engineers and designers with information in order that the access openings provided on equipment and machinery for purposes of inspection, adjustment and maintenance have sufficient dimensions for the intended function by personnel in the field or shop.