OPERATION AND PARTS MANUALRevision #7 (05/24/13)MODELSMQD2HMQD3HDIAPHRAGM PUMPS(Honda GX120UT1QX2 Gasoline Engine)THIS MANUAL MUST ACCOMPANY THE EQUIP
PAGE 10 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13))pmuP(snoitacificepS.1elbaTpmuPepyTpmuPmgarhpaiDH2D-QMpmuPmgarhpai
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 11MQ-D2H/D3H — DIMENSIONS (PUMP)snoisnemiD.3elbaTLEDOMAHTGNELBTHGIEH
PAGE 12 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)MQ-D2H/D3H — GENERAL INFORMATIONAPPLICATIONThe MQD2H and MQD3H dia
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 13Figure 2 shows a typical application using the MQD2H or MQD3H diap
PAGE 14 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)Figure 3. Engine Controls andComponentsINITIAL SERVICINGThe engin
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 15Figure 4. Engine Oil Dipstick (Removal)Figure 5. Engine Oil Dipsti
PAGE 16 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)Before Starting1. Read safety instructions at thebeginning of manu
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 17Gear Reduction Oil (Transmission)1. Remove the transmission oil l
PAGE 18 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)6. Grasp the starter grip (Figure 14) and slowly pull it out. Ther
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 19MQ-D2H/D3H —OPERATION8. Before the pump is placed into operation,
PAGE 2 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)PROPOSITION 65 WARNING
PAGE 20 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)To perform the pump vacuum test do the following:1. Start the engi
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 21Figure 21. Pump Vacuum TesterPressure reading may vary depending o
PAGE 22 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)Rotation of Suction and Discharge PortsIn some applications, it ma
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 23Seized PlungerIf the plunger arm has seized, perform the following
PAGE 24 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)Reference manufacturer enginemanual for specific servicinginstruct
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 25MaintenancePerform the engine maintenance procedures as indicated
PAGE 26 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)Pump StorageFor storage of the pump for over 30 days, the followin
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 27GNITOOHSELBUORTENIGNE.8ELBATMOTPMYS MELBORPELBISSOP NOITULOStratso
PAGE 28 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13))deunitnoC(GNITOOHSELBUORTENIGNE.8ELBATMOTPMYS MELBORPELBISSOP NOI
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 29)deunitnoC(GNITOOHSELBUORTPMUP.9ELBATMOTPMYSMELBORPELBISSOPNOITULO
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 3NOTES
PAGE 30 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)The following section explains the different symbols and remarks u
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 31NOTEPart number on this SuggestedSpare Parts List may super cede/r
PAGE 32 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)MQ-D2H/3H — NAMEPLATE AND DECALS ASSY.NAMEPLATE AND DECALS ASSY.
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 33MQ-D2H/3H — NAMEPLATE AND DECALS ASSY.NAMEPLATE AND DECALS ASSY.
PAGE 34 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)WATERBOX AND FLAP VALVE ASSY. (2-INCH)MQD2H — WATERBOX AND FLAP VA
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 35WATERBOX AND FLAP VALVE ASSY. (2-INCH)NO. PART NO. PART NAME QTY.
PAGE 36 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)PUMP ASSY. (2-INCH)MQD2H —PUMP ASSY.NOTES:TORQUE TO 7-8 FT. LBS.1T
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 37PUMP ASSY. (2-INCH)NO. PART NO. PART NAME QTY. REMARKS1 336019100
PAGE 38 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)HANDLE, ENGINE AND WHEEL ASSY. (2-INCH)MQD2H —HANDLE, ENGINE, AND
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 39HANDLE, ENGINE AND WHEEL ASSY. (2-INCH)NO. PART NO. PART NAME QTY.
PAGE 4 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)MQD2H/D3H GasolinePowered DiaphragmPumpsProposition 65 Warning ...
PAGE 40 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)WATERBOX AND FLAP VALVE ASSY. (3-INCH)MQD3H —WATERBOX AND FLAP VAL
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 41WATERBOX AND FLAP VALVE ASSY. (3-INCH)NO. PART NO. PART NAME QTY.
PAGE 42 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)PUMP ASSY. (3-INCH)MQD3H — PUMP ASSY.NOTES:TORQUE TO 7-8 FT. LBS.1
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 43PUMP ASSY. (3-INCH)NO. PART NO. PART NAME QTY. REMARKS1 170400200
PAGE 44 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)MQ-D3H — HANDLE, ENGINE AND WHEEL ASSY. (3-INCH)HANDLE, ENGINE AN
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 45HANDLE, ENGINE AND WHEEL ASSY. (3-INCH)NO. PART NO. PART NAME QTY.
PAGE 46 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)PAYMENT TERMSTerms of payment for parts are net 30 days.FREIGHT PO
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 47NOTES
OPERATION AND PARTS MANUALYour Local Dealer is:HERE’S HOW TO GET HELPPLEASE HAVE THE MODEL AND SERIALNUMBER ON-HAND WHEN CALLINGUNITED STATESMultiquip
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 5www.multiquip.comOrdering parts has never been easier! Choose from
PAGE 6 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)SAFETY INFORMATIONDo not operate or service the equipment before re
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 7SAFETY INFORMATIONGENERAL SAFETY CAUTION NEVER operate this equi
PAGE 8 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13)SAFETY INFORMATIONPUMP SAFETY DANGER NEVER operate the equipment
MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #7 (05/24/13) — PAGE 9NOTES
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