Installation, Operation, Repair and Parts Manual 2/08 Description Hypro centrifugal pumps are designed for agricultural and industrial spraying and transfer of a variety of fluids …… water, insecticides, herbicides, wettable powders, emulsives, liquid fertilizers, etc. Hypro Series 9307 hydraulic motor-driven centrifugal pumps provide smooth performance. They can be conveniently mounted on the tractor or sprayer, becoming part of the vehicle’s hydraulic system and freeing the PTO for other uses. Form L-1492 Series 9307 …

-4- Preliminary to Mounting Consult the owners manual to determine the type and capacity of the hydraulic system. Make sure the hydraulic system is recommended to operate with a continuous load. Refer to the Pump Selection Guide to confirm you have the proper pump for your hydraulic system. Check to see that the pump impeller can be turned by hand. (Turn the shaft clockwise using a deep socket wrench on the impeller nut.) If it cannot be turned, open the pump casing to look for obstructions. Clean out any corrosion build up where the casing fits over the eye of the impeller. Pump Inlet Line To achieve full capacity from the pump, the inlet line should be at least the same size as the inlet port on the pump. Reducing this line size will restrict the capabilities of the pump. The line must also be free of air leaks. Check all fittings and connections in the suction line for tightness. The introduction of air may affect the priming and pumping capabilities of the pump. Use good quality suction hose that will not be collapsed by suction. For non self-priming models, the centrifugal pump should bemounted below the liquid level and as near to the liquid source as possible to allow for the shortest suction line practical. To achieve optimal performance, the suction line should slope down into the pump. Avoid rises and humps that could trap air in the line to the pump. The suction line andpump should be filled with liquid prior to starting the pump, and all discharge lines should be open. Pump Outlet Line The recommended orientation for the outlet port is pointing straight up. This allows liquid to stay in the pump while it is priming. The outlet line should be the same size as the pressure port on the pump to give the optimal flow. The line should have as few restrictions and elbows as possible to optimize the pump performance and reduce pressure drop from the pump to the spray tips. Priming the Pump… should be sized accordingly to minimize the pressure drop and maximize the flow rate. The boom tubing or hose should be sized accordingly to ensure that a pressure drop in the lines does not occur, causing inconsistent pressures at the nozzles. Nozzle Bodies Nozzle bodies with shut-off check valves are recommended to eliminate dripping from the spray tips when the boom valves are shut down. Hooking Up the Hydraulic Motor to the Tractor Hydraulic System Hypro Series 9300HMC hydraulic motor-driven pumps can be mounted on either the tractor or sprayer. When hooking up, make sure that no dirt or liquid gets into the hydraulic motor. Keep all hydraulic connections clean. Be sure to connect the hydraulic motor into the system correctly by…

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