SM50 Sump Pump Operators Manual - Submarine Manufacturing ...

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TROUBLESHOOTINGIf symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.When diagnosing faults in operation, always make sure the hydraulic power source is supplying the correct hydraulic fl owand pressure as listed in the table. Use a fl owmeter know to be accurate. Check the fl ow with the hydraulic fl uid temperatureat least 80 o F/27 o C.PROBLEM CAUSE SOLUTIONPump will not start.Poor pump performance.Poor pump performance with excessivewear.No hydraulic fl uid fl ow or pressure.Defective couplers.Impeller jammed with debris.Impeller rubbing against wear plates.Defective hydraulic motor.Hydraulic fl ow reversed.Improper hydraulic fl uid fl ow.Pump submersed in sediment.Trash pump inlet restricted.Discharge hose kinked or restricted.Discharge hose too small.Water lift too high.Impeller worn or damaged.Pump not matched to applicationHose used on suction side of pump.Too many solids in the water. Water speedout of the hose may be too slow, thereofrehose and pump load up with solids.Turn on power unit and check that 7-12gpm/26-45 lpm at 1000-2000 psi/70-140bar is available at the pump.Check the couplers. Replace if necessary.Clean the pumping chamber as describedin the Maintenance section in this manual.Check and adjust the impeller clearanceas described in the Service Instructionssection in this manual.Repair or replace motor.Check that the hoses are correctly connectedto the pump motor ports. Thefemale coupler should be connected to the“IN” port. The return fl uid must never fl owthrough a reversing valve.Check that 7-12 gpm/26-45 lpm at 1000-2000 psi/70-140 bar is available at thetrash pump. A 20% decrease in fl ow canresult in a 50% decrease in pump performance.Lift the pump from the bottom of the holeor chamber. Use a fl at support under thepump if necessary.Remove suction screen and thoroughlyclean. Reassemble.Straighten the hose. If the hose must bendat the top of the hole, use a piece of splitrigid conduit with large diameter of theexpanded hose. This keeps the hose fromkinking.Use a 3-inch diameter fi re hose.Lower the outlet end of the dischargehose. Increase hydraulic fl ow (12 gpm/45lpm max).Check impeller for damage and excessivewear. Replace if necessary.Obtain higher capacity pump.Remove. Use no plumbing on suction sideof pump.Reduce solids content. Increase pumpspeed.14
SPECIFICATIONSCapacity ...................................................................................................................................................500 gpm/1890 lpmWeight ............................................................................................................................................................... 21 lbs/9.5 kgLength .......................................................................................................................................................... 10.5 in./26.7 cmWidth ............................................................................................................................................................... 10 in./25.4 cmPressure ....................................................................................................................................... 1000-2000 psi/70-140 barFlow Range ........................................................................................................................................... 7-12 gpm/26-45 lpmMaximum Flow ...............................................................................................................................................12 gpm/45 lpmPorting .............................................................................................................................................................-8SAE O-RingConnect Size and Type .................................................................................3/8 in. Flush Face Quick Disconnect CouplersDischarge Diameter ............................................................................................................................................. 3 in./7.6 cmSound Pressure ............................................................................................................................................
Page 1: SM50HYDRAULICSUMP PUMPWARNINGSAFETY
Page 4 and 5: CERTIFICATE OF CONFORMITYCERTIFICAT
Page 6 and 7: SAFETY PRECAUTIONSTool operators an
Page 10 and 11: HTMA REQUIREMENTSTOOL CATEGORYHYDRA
Page 12 and 13: MAINTENANCECLEANING THE PUMPINGCHAM
Page 16 and 17: TOOL DISASSEMBLY /REASSEMBLYNote: F
Page 18 and 19: SERVICEVOLUTE1. Assemble motor and
Page 20 and 21: PARTS LISTItemNo.Part No. Qty Descr
Page 22: Stanley Hydraulic Tools3810 SE Naef

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