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Multiquip manual MQD2H - WATERBOX AND FLAP VALVE ASSY, WATERBOX AND FLAP VALVE ASSY. 2-INCH

Models: MQD2H

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MQD2H — WATERBOX AND FLAP VALVE ASSY.

WATERBOX AND FLAP VALVE ASSY. (2-INCH)

PAGE 34 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)

Page 34

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Multiquip manual MQD2H - WATERBOX AND FLAP VALVE ASSY, WATERBOX AND FLAP VALVE ASSY. 2-INCH

Contents

DIAPHRAGM PUMPS OPERATION AND PARTS MANUALMODELS MQD2H MQD3H Revision #6 10/27/11PROPOSITION 65 WARNING Page HONDAGX120K1QX2 Engine TABLE OF CONTENTSMQ-D2H/D3HGasoline Powered Diaphragm Pumps Component DrawingsOrdering parts has never been easier PARTS ORDERING PROCEDURESWhen ordering parts, please supply Choose from three easy optionsSAFETY SYMBOLS SAFETY INFORMATIONSAFETY MESSAGES Symbolﬁrst aid kit GENERAL SAFETYﬁre extinguisher SAFETY INFORMATION„NEVER disconnect any emergency or PUMP SAFETYELECTRICAL SAFETY SAFETY INFORMATIONLIFTING SAFETY Power Cord/Cable SafetyGrounding Safety TRANSPORTING SAFETYSPECIFICATIONS Table 1. Specifications PumpTable 2. Specifications Engine Dry Net WeightDIMENSIONS Table 3. DimensionsMODEL Oil Alert Feature GENERAL INFORMATIONPower Plant Table 5. Performance Loss at Various ElevationsFigure 2. MQ-D2H/D3HPump Application COMPONENTSused in general de-wateringapplications. Typical CAUTION - Burn Hazard BASIC ENGINEDANGER - Explosive Fuel Figure 3. Engine Controls and ComponentsTable 6. Oil Type INSPECTIONCAUTION - Read Manual DANGER - Explosive FuelCAUTION - General Safety Precautions SETUPHandle Installation WARNING - Fill Capmechanical seal to prevent water CAUTION - StrainerCAUTION - Flammable Fluids SETUPCAUTION - Read Manual OPERATIONFigure 13. Engine ON/OFF Switch ON Position Starting the Engine HONDA engineFigure 15. Choke Lever Open Figure 18. Engine ON/OFF Switch OFFOPERATION Figure 16. Throttle Lever RunConnecting Rod Bearing Lubrication MAINTENANCEFlapperValve Replacement Pump Vacuum Testaltitude. See Tables 4 and MAINTENANCEFigure 21. Pump Vacuum Tester CAUTION - Stalled or Stopped Pump Rotation of Suction and Discharge PortsClearing a Jam-Up Stalled PumpSeized Plunger Diaphragm ReplacementMAINTENANCE Engine Maintenance MAINTENANCETable 7. Engine Maintenance Schedule 1Service more frequently when used in DUSTY areasMaintenance DANGER - Combustion Fire , ExplosionMAINTENANCE ENGINE AIRCLEANERPREPARATION FOR LONG-TERMSTORAGE Pump StorageSYMPTOM TROUBLESHOOTINGTABLE 8. ENGINE TROUBLESHOOTING POSSIBLE PROBLEMTABLE 9. PUMP TROUBLESHOOTING TABLE 8. ENGINE TROUBLESHOOTING ContinuedTROUBLESHOOTING SYMPTOMSYMPTOM TROUBLESHOOTINGTABLE 9. PUMP TROUBLESHOOTING Continued POSSIBLE PROBLEMNO. Column EXPLANATION OF CODE IN REMARKS COLUMNSAMPLE PARTS LIST PART NO. ColumnHONDA GX120K1QX2 ENGINE SUGGESTED SPARE PARTSMQ-D2H/D3HDIAPHRAGM PUMP 1TO 3 UNITS WITH DescriptionNAME PLATE AND DECALS ASSY NAMEPLATE AND DECALS ASSYREMARKS PART NAMENAME PLATE AND DECALS ASSY MQD2H - WATERBOX AND FLAP VALVE ASSY WATERBOX AND FLAP VALVE ASSY. 2-INCHMQD2H - WATERBOX AND FLAP VALVE ASSY QTY. REMARKSPART NAME MQD2H -PUMPASSY PUMP ASSY. 2-INCHPART NAME MQD2H -PUMPASSYPUMP ASSY. 2-INCH QTY. REMARKSHANDLE, ENGINE AND WHEEL ASSY. 2-INCH MQD2H -HANDLE,ENGINE, AND WHEEL ASSYREMARKS MQD2H -HANDLE,ENGINE, AND WHEEL ASSYPART NAME 335410800MQD3H -WATERBOXAND FLAP VALVE ASSY WATERBOX AND FLAP VALVE ASSY. 3-INCHPART NAME MQD3H -WATERBOXAND FLAP VALVE ASSYWATERBOX AND FLAP VALVE ASSY. 3-INCH QTY. REMARKSMQD3H - PUMP ASSY 28 27PART NAME MQD3H - PUMP ASSYPUMP ASSY. 3-INCH REMARKSHANDLE, ENGINE AND WHEEL ASSY. 3-INCH 7 6 1 2MQD3H - HANDLE, ENGINE, AND WHEEL ASSY PART NAME MQD3H - HANDLE, ENGINE, AND WHEEL ASSYREMARKS HONDA GX120K1QX2 ENGINE - AIR CLEANER ASSY AIR CLEANER ASSYPART NAME HONDA GX120K1QX2 ENGINE - AIR CLEANER ASSYAIR CLEANER ASSY REMARKSHONDA GX120K1QX2 ENGINE - CAMSHAFT ASSY CAMSHAFT ASSYPART NAME HONDA GX120K1QX2 ENGINE - CAMSHAFT ASSYCAMSHAFT ASSY REMARKSHONDA GX120K1QX2 ENGINE - CARBURETOR ASSY CARBURETOR ASSYPART NAME HONDA GX120K1QX2 ENGINE - CARBURETOR ASSYCARBURETOR ASSY REMARKSHONDA GX120K1QX2 ENGINE - CONTROL ASSY CONTROL ASSYPART NAME HONDA GX120K1QX2 ENGINE - CONTROL ASSYCONTROL ASSY REMARKSHONDA GX120K1QX2 ENGINE - CRANKCASE COVER ASSY CRANKCASE COVER ASSYPART NAME HONDA GX120K1QX2 ENGINE - CRANKCASE COVER ASSYCRANKCASE COVER ASSY REMARKSHONDA GX120K1QX2 ENGINE - CRANKSHAFT ASSY CRANKSHAFT ASSYPART NAME HONDA GX120K1QX2 ENGINE - CRANKSHAFT ASSYCRANKSHAFT ASSY 13310ZE0601HONDA GX120K1QX2 ENGINE - CYLINDER BARREL ASSY CYLINDER BARREL ASSYQTY. REMARKS HONDA GX120K1QX2 ENGINE - CYLINDER BARREL ASSYPART NAME 120A0ZH7810HONDA GX120K1QX2 ENGINE - CYLINDER HEAD ASSY CYLINDER HEAD ASSYREMARKS HONDA GX120K1QX2 ENGINE - CYLINDER HEAD ASSYPART NAME 12210ZH7000HONDA GX120K1QX2 ENGINE - FAN COVER ASSY FAN COVER ASSYFAN COVER ASSY HONDA GX120K1QX2 ENGINE - FAN COVER ASSYPART NAME HONDA GX120K1QX2 ENGINE - FLYWHEEL ASSY FLYWHEEL ASSYFLYWHEEL ASSY HONDA GX120K1QX2 ENGINE - FLYWHEEL ASSYPART NAME HONDA GX120K1QX2 ENGINE - FUEL TANK ASSY FUEL TANK ASSYPART NAME HONDA GX120K1QX2 ENGINE - FUEL TANK ASSYFUEL TANK ASSY REMARKSHONDA GX120K1QX2 ENGINE - IGNITION COIL ASSY IGNITION COIL ASSYPART NAME CAP ASSEMBLY, NOISE SUPPRESSORHONDA GX120K1QX2 ENGINE - IGNITION COIL ASSY REMARKSHONDA GX120K1QX2 ENGINE - MUFFLER ASSY MUFFLER ASSYMUFFLER ASSY HONDA GX120K1QX2 ENGINE - MUFFLER ASSYPART NAME HONDA GX120K1QX2 ENGINE - PISTON ASSY PISTON ASSYPISTON ASSY HONDA GX120K1QX2 ENGINE - PISTON ASSYPART NAME HONDA GX120K1QX2 ENGINE - RECOIL STARTER ASSY RECOIL STARTER ASSYREMARKS HONDA GX120K1QX2 ENGINE - RECOIL STARTER ASSYPART NAME 28400ZH8013ZBHONDA GX120K1QX2 ENGINE - GASKET KIT ASSY GASKET KIT ASSYPART NAME HONDA GX120K1QX2 ENGINE - GASKET KIT ASSYGASKET KIT ASSY REMARKSHONDA GX120K1QX2 ENGINE - LABELS ASSY LABELS ASSYLABELS ASSY HONDA GX120K1QX2 ENGINE - LABELS ASSYPART NAME PAYMENT TERMS TERMS AND CONDITION OF SALE - PARTSSPECIAL EXPEDITING SERVICE FREIGHT POLICYPage Warranty Department HERE’S HOW TO GET HELPNUMBER ON-HANDWHEN CALLING Service Department