Special operating instructions shall be provided for coupling operations deviating from usual ones, which must contain in particular, instructions regarding coupling and uncoupling with different modes of operation (e.g. angled positions).
Eraldi kasutusjuhend esitatakse tavalistest erinevate haakimisprotseduuride kohta ning need peavad sisaldama eeskätt juhtnööre seoses haakimise ja lahtihaakimisega eri tööolukordades (nt nurga all).