Scope and field of application
This International Standard specifies the minimum access openings on eanh-moving machinery for
1) the hand.
2) the head.
3) the body.
5) two-handed reach.
4) arm reach.
It provides engineers and designers with information in order tha access openings provided in equipment and machinery for purposes of inspection. adjustment and maintenance are made large enough for the intended function by the man in the field or shop.
The larger openings for access with arctic clothing ere for construction equipment intended for use in cold environments.
Based on available anthropometric data. the recommended openings are the smallest that will accommodate 95 % of the worldwide operator population. In most cases openings I8rger than the recommended minimum will be more useful and allow greater efficiency.