Pioneer PB Series Operation & Maintenance Manual

12MAINTENANCEUnder normal conditions this pump is designed to run maintenance free, because of its ruggedconstruction, for extended periods of time. However, all centrifugal pumps contain wear partsthat will gradually deteriorate, affecting pump performance. This pump does contain wearparts and these parts should be replaced as required to maintain optimum performance.General maintenance can be performed without removing the pump from the driver. Thefollowing instructions assume a complete disassembly of the pump is required.The equipment covered in this section is limited to the pump components only. Refer to theapplicable vendor's manual for motors, engines and other accessory equipment. This manualalso provides a troubleshooting section to diagnose many operational or performance problems.Use the troubleshooting section to help determine the cause of any problems, and onlydisassemble the pump components required to remedy the problem condition.Drain volute case of pumpage when pumping unit is idle to avoid freezing and possible thermalcracking of pump case.SPARE PARTSSpare parts should be kept on hand to reduce downtime. At a minimum the following partsshould be stocked.Wear PlateAll O-ringsSet of bearingsMechanical sealSet of grease sealsIf you have unusual pumping conditions, consult Pioneer Pump, Inc. for additionalrecommended spare parts.When ordering parts from Pioneer Pump, Inc. please provide the following information:1) Pump serial number2) Pump model3) Cross section drawing number4) Part number from cross section drawing5) Description of part6) Quantity required7) Package Vehicle Identification Number (VIN)WARNING!!!Before attempting to service this pump, read this manual carefully. Operators and maintenancepersonnel should have a good understanding of all aspects of this pump and the pumpingconditions. Failure of operating personnel to be familiar with all aspects of pump operationoutlined in this manual could contribute to equipment damage, bodily injury or possible death.