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PumpsIndustrial Products

By suitable use of adaptors and splined couplings a wide variety of through drive mounting capabilities are available. The formation of these kits and their relevant part numbers will be found in the installation section. Technical Description (continued)Valve Cover Group The Valve Cover Group comprises: (a) Valve cover, 312(b) Valve pin, 885The valve plate with its two “kidney” shaped ports is installed onto the valve plate located by the valve plate pin. These two ports serve to supply and exhaust oil to and from the cylinder block. The oil passage switched by the valve plate is connected to the externally piped suction and outlet pressure ports through the valve cover. This valve plate is spherical in form for all but the smallest 45-60 unit. Through Drive Option When the pump’s drive shaft is driven by a prime mover (Electric motor, Engine etc.), the cylinder blockbeing spline coupled to the shaft will also rotate. If the swash plate has been tilted, the pistons arranged in the cylinder block due to the shoe being retained on the swash plate surface will both rotate with the cylinder block and reciprocate once per revolution. Paying attention to one such piston then it will move away from the valve plate for half a rotation (suction stroke) and move towards the valve plate for the second half of rotation (oil delivery stroke). The larger the tilt angle, the longer the piston stroke and the higher is the pump’s displacement. As the swash plate tilting angle approaches so the piston makes no stroke and thereby delivers no oil. Pump Operation Model K3VLPage 4.Data SheetP-1002/02.09