There is a serious problem for manufacturers to execute properly the conformity assessment for their machinery with machinery directive requirements. New solution of safety assessment on example of machinery for forage preparing and distributing is presented in this paper. Risk analysis execution in the context of machine life cycle concerning its exploitation, hazard groups creating and complex risk assessment for single process were also proposed in this paper. An example of new risk assessment algorithm which will facilitate execution of conformity assessment procedures with machinery directive requirements was presented for the first time.