Form L-1510 Rev. E Installation, Operation, Repair And .

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Self-Priming Cast IronCentrifugal PumpsForm L-1510Rev. EInstallation, Operation, Repair and Parts ManualDescriptionHypro Self-Priming Cast Iron Centrifugal Pumps handlebig, high-capacity, liquid transfer jobs with ease. Use themfor transferring water, liquid fertilizers, and other chemicalscompatible with pump materials. Make short work of otherfarm jobs: filling nurse tanks, watering seedbeds, andtransferring liquids. This self-priming model makes it idealfor de-watering applications.2” Model3” Model1532C-6SPPump with 6.5 hp PowerPro gas engine1533C-13SPPump with 13 hp PowerPro gas engine1532C-160HSPPump with Honda GX160 gas engine1533C-13ESP3430-0673CSPPump only for 3/4” shaft gas engine mountPump with 13 hp electric start PowerPro gasengine9232C-SPPump with pedestal9732C-SPXPump with 184TC NEMA flange1533C-390EHSP Pump with Honda GX390 gas engine9332C-HM1C-SP Pump with Hypro HM1 hydraulic motor9332C-HM5C-SP Pump with Hypro HM5 hydraulic motor3430-0674CSPPump only for 1” shaft gas engine mount9233C-SPPump with pedestal9733C-SPXPump with 215TC NEMA flange9333C-GM10-SP Pump with Marzocchi hydraulic motorMax Flow Rate:.170 GPMMax. Pressure:. 42 PSIMax. Total Head:.97 ft.Ports:.2” NPT Inlet2” NPT OutletEngine:. PowerPro 6.5 HP or Honda GX160Hydraulic Motor: Hypro HM1 or HM5 MotorMax Flow Rate:. 330 GPMMax. Pressure:. 60 PSIMax. Total Head:. 140 ft.Ports:. 3” NPT Inlet3” NPT OutletEngine:. PowerPro 9.0 or 13.0 HP or Honda GX390Hydraulic Motor: Marzocchi ALM2 Gear MotorNote: Unit is not shipped with oil. Please add oil to engine prior to operating.California Proposition 65 Warning -- This product and related accessories contain chemicals known to theState of California to cause cancer, birth defects or other reproductive harm.1

WARNING: Do not pump flammable or explosive fluidssuch as Gasoline, Fuel Oil, Kerosene, etc. Do not usein explosive atmospheres. The pump should be usedonly with liquids that are compatible with the pumpcomponent materials. Failure to follow this Warningcan result in Personal Injury and/or Property Damageand Will Void the Product Warranty.5. Periodically inspect the pump and the systemcomponents. Perform routine maintenance as required(see Maintenance section).6. Protect pump from freezing conditions by drainingliquid and pumping a permanent-type automobileantifreeze containing a rust inhibitor through thesystem, coating the pump interior. A 50% mixture withwater is recommended.1. DO NOT EXCEED recommended speed, pressure andtemperature (120 degrees F) for pump and equipmentbeing used.7. Do not operate a gasoline engine in an enclosed area.Be sure the area is well ventilated.WARNING: Gasoline is a highly combustible fuel. Theimproper use, handling, or storage of Gasoline can bedangerous. Never touch or fill a hot engine.2. BEFORE SERVICING, drain all liquids from the systemand flush. Remove the spark plug wire from the sparkplug before servicing the pump or engine.3. Secure the discharge lines before starting the pump.An unsecured line may whip, causing personal injuryand/or property damage.8. Use only pipe, hose and fittings rated for the maximumpsi rating of the pump.9. Do not use these pumps for pumping water or otherliquids for human or animal consumption.4. Check hose for weak or worn condition before eachuse. Make certain that all connections are tight andsecure.Plumbing InstallationIMPORTANTNOTICE: Settling and/or shifting during operation cancause piping to place excessive strain on the pump andmay damage pump case. Set pump on hard level surface.Non-level surfaces may cause the oil sensor in the engineto shut down the unit.For best possible performance and continuous, satisfactory operation, read these instructions beforein stalling your new pump. Should service be required,this manual can be a valuable guide. It should be keptnear the installation for ready reference.Preliminary to MountingBefore setting up the pump for operation, check tosee that the motor and pump turn freely by hand. If itcannot be turned over by pulling on the recoil starter,open casing to check for obstructions lodged in pump.Basket StrainerA basket strainer is to be used when transferring solutionsthat may contain debris and solids which could becomelodged in the pump or damage the impeller. Because of thehigh flow capacity of this pump, unknown debris could besiphoned off the bottom of the tank. Install the strainer on thesuction side of the pump whenever possible to avoid pumpdamage.INSTALLATIONSUCTION CONNECTIONConnect either rigid pipe or flexible suction hose to pumpsuction. If hose is selected, hose must be rated to hold thesuction vacuum and prevent collapse while the pump isrunning.Make the suction line a continuous rise from the watersource to the pump. High spots can trap air and also makepriming difficult. Make sure all connections are tight andfree of air leaks.NOTICE: Suction pipe or hose must be at least as largeas the pump suction inlet in order for the pump to operateproperly. If the inlet line is longer than approximately 6 feet,use the next size larger line.Minimum depth for the suction inlet is determined by thediameter of the suction line.LOCATIONDISCHARGE CONNECTIONSPlace unit as close to water source as possible to mini mizesuction lift, obtain the best pumping performance, andaid in priming.For permanent installation, mount unit on a foundation thatwill support the weight of the pump and engine and alsoprovide stability while the pump is running. For most per manent installations, it is advisable to bolt unit directly tofoundation.Your pump is equipped with a single port discharge. Selectthe appropriate size for the application. Install a “T” toallow easy priming of the pump without disconnecting thepiping, or by using the priming plug on the housing.WarningHazardous SuctionAlways use strainer on suction hose to prevententrapment.Can trap persons againstsuction inlet.2

Please Note: It is illegal to ship or transport anyhazardous chemicals without United StatesEnvironmental Protection Agency Licensing.2. Before returning unit for repair, drain out all liquids andflush unit with neutralizing liquid. Then, drain the pump.Attach a tag or include a written notice certifying thatthis has been done.1. Always drain and flush pumps before servicing ordisassembling for any reason.3. Never store pumps containing hazardous chemicals.Operation and Maintenance4. Operation of choke lever.When engine is cold: In cold weather, start engine with choke in fullyclosed position.Preparations Before Starting the Engine1. Engines come from factory without oil. Please fillwith oil prior to starting!2. Fuel: Check fuel level in tank, and do not over fill. Usefresh, clean automotive fuel. Note: DO NOT FILLFUEL TANK WHEN ENGINE IS RUNNING. In warm weather, start engine with choke in halfclosed position.When engine is warm:Start engine with choke in fully open position.5. Start engine by pulling recoil starter out quickly andforcefully. Repeat pulling until the engine starts.3. Engine Oil: Before checking or refilling with engineoil, make sure the engine is stopped and placed on astable, level surface. Use oil recommended for ambientair temperatures that the engine will be running at. Seechart below. Change oil after the first 20 hours andevery 100 hours thereafter.Operation of the Pump1. Idle the engine for 3 to 5 minutes to warm it up.2. Open the throttle lever to the upper zone after enginehas warmed up.3. Once the pump has primed, you will note a load on theengine; adjust rpms to proper speed for your pumpingapplication.4. Priming Water: IMPORTANT: PUMP MUST NOT BERUN DRY. On self-priming pumps, only the chamberneeds to be filled with liquid. The pump must not rununless the priming chamber is completely filled withliquid because there is a danger of damaging themechanical seal, which depends on the liquid for itslubrication.Stopping the Pump1. Stop pump for a short time:Run engine throttled all the way down (fully to the right).Turn engine switch to OFF position.2. Stopping pump for storage:Turn fuel cock to OFF position instead of turning theengine switch off.Let the engine idle for 2 to 3 minutes until fuel incarburetor is depleted and engine stops. If a valve isinstalled on the discharge hose, you may run pumpwith valve closed during this procedure.Note: Pump must not be run dry. Make sure thereis water in the priming chamber.Self-priming models can be primed by removing the fillercap located at the top of the pump where the dischargeline is mounted to the pump, and filling the primingchamber with liquid. After use, the priming chambershould be flushed and drained to avoid chemical corrosionand damage from freezing. Drain by removing the lowerdrain plug located at the bottom of the casing.Starting the PumpStorageIMPORTANT: Before starting engine, be sure thepriming chamber is filled with liquid and the dischargehose is secure.1. Drain pump. Flush pump after use.One of the most common causes for faulty pumpperformance is gumming or corrosion inside the pump.Flush the pump and entire system with a solutionthat will chemically neutralize the liquid pumped. Mixaccording to the manufacturer’s directions. This willdissolve most residues remaining in the pump, leavingthe inside of the pump clean and ready for use.1. Turn engine switch located by recoil starter to ONposition.2. Turn the fuel cock to ON.3. Push the throttle lever to a slightly open position.2. Drain all the fuel from the fuel tank, fuel lines, and filter.3. Store pump in a clean, dry environment.3

Assembly InstructionsINITIAL ASSEMBLY – gas engine, C-faced electric motor, or pedestal mountNote: Prior to assembly, visually inspect pump outlet for impellerspacer. Pumps are supplied with a metal shim inserted into the pumpoutlet and across the impeller face to ensure proper impeller spacing.If the shim is in place, proceed to step 10. If shim is missing, begin with step1. (Figure 1)1. Remove two-bolt clamp from pump shaft. (Figure 2)2. Remove (6) nuts and lock washers holding adapter to pump. (Figure 3)Note: When removing adapter, be careful not to damage paper gasket betweenadapter and pump.Note: Mechanical seal will be exposed after adapter is removed. Be careful notto damage seal faces.Fig. 13. Gently pry the adapter flange off using a pry bar against tabs on the adapter.(Figure 4)4. Leave paper gasket on pump over mounting studs. If gasket is damaged,replace with a new one. Gasket sealant is not required.5. Remove impeller, drive sleeve, mechanical seal assembly.6. Insert a shim between the impeller vanes and pump wear plate. A shim 1/2”wide and 0.040” to 0.050” thick is required. Verify thickness prior to use. Placeshim material into the pump through the outlet port. Shim material must lieacross the wear plate. (Figure 5)Fig. 27. Reinstall impeller assembly ensuring the impeller vanes rest on the shimmaterial.8. Reinstall adapter flange over mounting studs.9. Tighten (6) nuts and lock washers. (Figure 6)A. 2” pump – 5/16 x 18 nut – 11 ft.-lbs./ 14.9 Nm torque.B. 3” pump – 3/8 x 16 nut – 20 ft.-lbs./ 27.1 Nm torque.Note: If impeller spacer is in place, start here.Fig. 310. Install two-bolt clamp over drive sleeve. Be careful to ensure keyed portion ofFig. 44Fig. 5

Assembly Instructionsclamp sits in drive sleeve slot. Leave bolts and nuts finger tight. ***Some clampsmay not have an integral key. (Figure 7)11. Apply an anti-seize compound to engine, motor, or pedestal shaft.12. Install gas engine, c-faced electric motor, or pedestal into pump drive sleeve.Align keyway of drive source with slot in drive sleeve. Do not rotate the pumpshaft during assembly. This may cause the shim to become dislodged.13. Install (4) mounting bolts between pump adapter and gas engine, electric motor,or pedestal. (Figure 8)A. 2” pump – 5/16 x 24 screw – 11 ft.-lbs./ 14.9 Nm torque.B. 3” pump – 3/8 x 16 screw – 20 ft.-lbs./ 27.1 Nm torque.Fig. 614. Alternately tighten clamp bolts to ensure even torque and balance.A. 2” pump – 5/16 x 18 screw – 20 ft.-lbs./ 27.1 Nm torque.B. 3” pump – 3/8 x 16 screw – 40 ft.-lbs./ 54.2 Nm torque.15. Remove shim stock from pump outlet.16. Pump and drive source should rotate freely.Fig. 7Fig. 85

Disassembly InstructionsDISASSEMBLY – gas engine, C-faced electric motor, or pedestalmount1. Remove two-bolt clamp and bolts. (Figure 9)2. Remove (4) mounting bolts between pump adapter and engine, motor, orpedestal. (Figure 10)3. Remove engine, motor, or pedestal. Drive source may need to be pried off.Use caution not to damage drive source or pump.4. Remove (6) nuts and lock washers holding adapter to pump. (Figure 11)Note: Mechanical seal will be exposed after adapter is removed. Be carefulnot to damage seal faces.Fig. 95. Gently pry the adapter flange off using a pry bar against tabs on the adapter.(Figure 12)6. Remove impeller, drive sleeve, mechanical seal assembly.7. Remove paper gasket and discard. Remove any gasket residue from adapterand pump faces.Fig. 10Fig. 11Fig. 126

Service InstructionsWEAR PLATE:Inspect wear plate for excessive wear, surface grooves or impeller contact. Replaceif needed. (Figure 13)1. Remove two 3/8” stainless steel screws from wear ring. (Figure 14)Note: Older models have acorn nuts and plastic washers on the front of thepump. If equipped, remove these first. (Figure 15)2. Install new wear ring, making sure pump surface and ring are clean and the ringsits flat against the pump.3. Reinstall stainless steel screws.Fig. 134. Reinstall plastic washers, and acorn nuts on older models.Fig. 14Fig. 157

Service InstructionsMECHANICAL SEAL:1. Remove seal and spring from impeller/drive sleeve assembly. (Figure 16)2. Clean drive sleeve surface. Surface may be cleaned with 400 grit or highersandpaper. If sleeve surface is worn, grooved or pitted, replace drive sleeve.Note: Worn or damaged impeller/drive sleeve may cause the pump to underperform or become unbalanced, causing mechanical seal damage.Note: Careful attention must be taken as to not scratch or damage the carbonface during installation.3. Install new seal half onto drive sleeve.Fig. 164. Remove ceramic half from adapter flange.5. Clean flange opening with a wire brush and/or sandpaper. (Figure 17)Note: Careful attention must be taken as to not scratch or damage the ceramicface during installation.6. Apply light lubrication to the outer rubber cup of the ceramic seal.7. Install new seal half. Use your thumbs to apply light even pressure to set the cupin the adapter pocket. (Figure 18)Fig. 17Fig. 188

Reassembly InstructionsREASSEMBLY:1. Insert a shim between the impeller vanes and pump wear plate. A shim 1/2”wide and 0.040” to 0.050” is required. Plastic or steel banding can be used asa shim. Verify banding thickness prior to use. Place shim material into the pumpthrough the outlet port. Shim material must lie across the wear plate. (Figure19)Note: Use caution not to damage ceramic and carbon seal faces whileinstalling impeller assembly and adapter flange onto pump.2. Install impeller assembly, ensuring the impeller vanes rest on the shim material.3. Install new gasket onto pump over mounting studs. Gasket sealant is notrequired.4. Install adapter flange over mounting studs.5. Tighten (6) nuts and lock washers. (Figure 20)A. 2” pump – 5/16 x 18 nut – 11 ft.-lbs./ 14.9 Nm torque.B. 3” pump – 3/8 x 16 nut – 20 ft.-lbs./ 27.1 Nm torque.6. Install two-bolt clamp over drive sleeve. Be careful to ensure keyedportion of clamp sits in drive sleeve slot. Leave bolts and nuts finger tight.***Some clamps may not have an integral key. (Figure 21)Fig. 197. Apply an anti-seize compound to engine, motor, or pedestal shaft.8. Install gas engine, c-faced electric motor, or pedestal into pump drive sleeve.Align keyway of drive source with slot in drive sleeve. Do not rotate the pumpshaft during assembly. This may cause the shim to become dislodged.9. Install (4) mounting bolts between pump adapter and gas engine, electric motor,or pedestal. (Figure 22)A. 2” pump – 5/16 x 24 screw – 11 ft.-lbs./ 14.9 Nm torque.Fig. 20B. 3” pump – 3/8 x 16 screw – 20 ft.-lbs./ 27.1 Nm torque.10. Alternately tighten clamp bolts to ensure even torque and balance.A. 2” pump – 5/16 x 18 screw – 20 ft.-lbs./ 27.1 Nm torque.B. 3” pump – 3/8 x 16 screw – 40 ft.-lbs./ 54.2 Nm torque.11. Remove shim stock from pump outlet.12. Pump and drive source should rotate freely.Fig. 21Fig. 229

Service InstructionsRUNNING THE ENGINEMAINTENANCERefer to engine operation section of this manual for starting and operating instructions.Pump performance varies depending on engine RPM.Refer to engine operation to adjust engine speed.PUMP LUBRICATIONPump liquid end does not require any grease or oil forlubrication. The mechanical seal is lubricated by waterwhen the pump is operating.Troubleshooting GuidePROBABLE CAUSESYMPTOMENGINEABCPUMPDNo water deliveredEFGXXXHSYSTEMIJKLMXXXXXNot enough water deliveredXXXXXXNot enough pressureXXXXXXEngine heats excessivelyXXXAbnormal noise and/or vibrationXPump works for a while, then stopsXXXXXXXXXXNOPXXXXXXCAUSE CORRECTIVE ACTION1. ENGINEA. Speed too low.Refer to engine section.B. Rotating and/or reciprocating parts drag.Refer to engine section.C. Speed too high.Maximum engine speed not to exceed engine manufacturer’s recommendation.D. Loose or broken parts.Refer to engine section.2. PUMPE. Not primed.Re-prime, inspect suction system for air leaks, and/or check assembly.F. Pump takes too long to prime.Check for air leaks or defective check valve.G. Flow through pump completelyor partially blocked.Locate and remove obstruction. Attach strainer.H. Internal leakage.Check clearances between face of vanes and case. Should not exceed 1/32”.I. Rotating parts drag.Inspect. Repair.J. Loose or broken parts.Inspect. Repair.3. SYSTEMK. Pressure required by system at designflow rate exceeds pressure rating of pump.Compare pump pressure and flow rate against pump performance chart.Reduce system pressure requirement. Increase pressure capability of pump.L. Obstruction in suction piping.Locate and remove obstruction. Attach strainer.M. Suction lift too high.Check with gauge or measure vertical distance between water surface andcenter line of pump, allowing for friction loss in suction pipe. Reduce rate offlow to obtain desired lift. Refer to pump performance chart.N. Discharge head too low.Decrease rate of flow.O. Suction inlet not immersed deep enough.P. Leaky suction line or connection admitting air.Refer to “Installation” on page 2.Repair or replace suction line. Tighten connections.10

Pump Engine Operation and MaintenanceEngine Safety Precautions:Add GasolineFire and explosion hazard. Gasoline canexplode. Store gasoline away from the engine. Add gasoline to the engine only when the engine is off.Fill gas tank with clean, fresh gasoline. This should beunleaded fuel that has an octane rating of 86 or higher.Do not fill the tank to overflowing. Clean up any spilledgasoline before starting the engine.Burn hazard. Hot surface. The engine getsvery hot during operation. Do not touch the engine surfaces. Keep children away. Allow the engine to cool beforemoving it indoors.Deadly fumes. Carbon monoxide. Never runthe engine in an enclosed space. Only use outdoors withplenty of ventilation.Note: For detailed PowerPro engine information, consultengine manual (Form L-1512).Engine OperationOpen Fuel ValveMove the fuel valve

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