| Pump Mounting Johnson Pump engine cooling pumps, the F-series (flexible impeller pumps) are available in several different styles and sizes to satisfy different cooling system needs. Flanged pumps which mount directly to the engine and crank shaft pulley mounted pumps are available for a wide variety of engines. Johnson Pump is the original equipment pump supplier to the largest manufacturers world-wide of inboard engines. Both flange mounted and pulley driven pedestal pumps can be used to provide cooling with a maximum of ease and flexibility. Pump ports are available in sizes from %" to 2.V2". Flange Mounted Pumps Flanged pumps are normal pumps produced in high volumes, customer designed for flange-mounting at a power take off of the engine. Different types of drives can be used but mainly gears or any type of driving members are used. Crank Shaft Pulley Mounted These pumps are designed for direct installation on the engine crank shaft pulley. Max. revs. 5.000 per minute. For some engines an adaptor kit for the engine crank shaft pulley is available. To prevent the pump from rotating, a torque bracket from the fastening point on the pump body to a suitable point on the engine has to be used. |