EE working on dozer left door wiper. Linkage in a bind, placed left hand on wiper motor and wiggled linkage. Linkage freed with the wiggling returning to center; employee's left finger caught in the linkage. EE was taken to the ER, received 5 sutures, restrictions until 10/11/22 sutures were scheduled to be removed. Started scheduled days off 10/5-10/9, returned 10/10 restricted.