A cooling and lubricating device for a transmission for a wind turbine includes a transmission oil tank for storing transmission oil for the transmission, a transmission oil line system for carrying the transmission oil between the transmission oil tank and the transmission, a hydraulic oil tank for storing hydraulic oil, a hydraulic oil line system for carrying the hydraulic oil, a hydraulic oil conveying device for conveying the hydraulic oil through the hydraulic oil line system, an energy accumulator for at least temporarily maintaining a pressure within the hydraulic oil line system, the energy accumulator chargeable using the hydraulic oil conveyed by the hydraulic oil conveying device; and a transmission oil conveying device coupled to the hydraulic oil line system and to the transmission oil line system and configured to be driven by the hydraulic oil in order to convey the transmission oil to the transmission.