The 26-year-old Haledon man refused medical treatment after the mishap around 4:30 p.m. at 11 Passaic Street off River Street, Capt. Darrin DeWitt said.
"He only had minor scratches," the captain said.
City police and firefighters responded, along with a Bergen County Hazardous Materials Unit, which removed the fuel from the machine, and city building inspector.
OSHA was notified.
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