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Multiquip MQ-D306HA Automobile Parts User Manual

1. 18 19 Maintenance Pump 20 21 Maintenance 22 23 Preparation for Long Term Storage 24 Troubleshooting Pump 25 Troubleshooting Pump Engine 26 Explanation Of Code In Remarks Column 28 Suggested Spare 29 Component Drawings Water Box and Groove Assembly 30 31 PUMP ASSEMDIY e uuu u ua 32 35 Specification and part number are subject to change without notice HONDA GX120K1QX2 Engine Air Cleaner 0 36 37 Camshaft Assembly 38 39 Carburetor Assembly 40 41 Control Assembly 42 43 Crankcase Cover Assembly 44 45 Crankshaft Assembly 46 47 Cylinder Barrel Assembly 48 49 Cylinder Head Assembly 50 51 Fan Cover Assembly 52 53 Flywheel Assembly 54 55 Fuel Tank Assemb y 56 57 Ignition Coil Asse
2. REV 3 01 09 07 MQ D306HA PUMP COMPONENTS Figure 2 shows a typical application using the MQ D306HA series diaphragm pump Please note that this pump is intended for the removal of clean water and water containing some debris and solids Maximum size of solids should not exceed 1 5 inch 38 mm in diameter DO NOT set strainer on bottom of water bed Placing the strainer above the water bed will prevent the pump from drawing in excessive amounts of sand and foreign debris Contact your nearest Multiquip dealer for quick disconnect hoses and fittings Pump The D306HA is a 3 inch diaphragm pump that is used in general de watering applications Typical dewatering applications consist of cleaning out cesspools and septic tanks draining slow seepage from small excavations trenches and construction sites or pumping out industrial waste Fill Cap Prior to operation the pump casing should be filled with water Remove this cap to add water to the pump After the initial prime a sufficient amount of water will be retained in the casing so that the operator will not need to re prime later If the casing is dry or has insufficient water the pump will have difficulty in priming which could lead to premature mechanical seal wear thus causing damage to the pump Discharge Port Connect a 3 inch discharge hose to this port Use two worm clamps to secure the hose Figure 2 MQ D306HA Pump Application Worm
3. FAN COVER ASSY PAGE 52 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE FAN COVER ASSY FAN COVER ASSY NO QTY REMARKS 1 11347371300 GROMMET ADJUSTING COVER 1 2 19610ZE0000ZE COVER FAN NH1 BLACK 1 3 19611217810 PLATE SIDE OIL 1 4 90601ZH7013 CLIP HARNESS 1 5 19630ZH7000 SHROUD 1 6 32197ZH8003 SUB HARNESS 1 7 36100ZE1015 SWITCH ASSEMBLY ENGINE STOP 1 7 36100ZH7003 SWITCH ASSEMBLY ENGINE STOP 1 8 36101ZE1010 WIRE STOP SWITCH 370MM 1 9 90013883000 BOLT FLANGE 6X12 CT200 6 10 90022888010 BOLT FLANGE 6X12 CT200 1 11 34150ZH7003 ALERT UNIT OIL 1 13 957010600800 BOLT FLANGE 6X8 1 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 53 HONDA GX120K1QX2 ENGINE FLYWHEEL ASSY FLYWHEEL ASSY PAGE 54 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE FLYWHEEL ASSY FLYWHEEL ASSY NO QTY REMARKS 1 13331357000 KEY SPECIAL WOODRUFF 25X18 1 2 19511ZE0000 FAN COOLING 1 4 28451ZH8003 PULLEY STARTER 1 5 31100ZE0010 FLYWHEEL 1 7 90201878003 NUT SPECIAL 14MM 1 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 55 HONDA GX120K1QX2 ENGINE FUELTANK ASSY FUEL TANK ASSY PAGE 56 MQ D306HA
4. 214 901145 0000 24 93500050250H 25 93500050160 26 9405006000 HONDA GX120K1QX2 ENGINE CONTROL ASSY PART NAME CONTROL ASSEMBLY REMOTE ARM GOVERNOR ROD GOVERNOR SPRING GOVERNOR SPRING THROTTLE RETURN LEVER CONTROL SPRING LEVER WASHER CONTROL LEVER HOLDER CABLE SPACER CONTROL LEVER BASE CONTROL SPRING CONTROL ADJUSTING SPRING CABLE RETURN BOLT FLANGE 6X12 CT200 BOLT GOVERNOR ARM BOLT FLANGE 6X20 CT200 NUT SELF LOCK 6MM SCREW PAN 5X25 SCREW PAN NUT FLANGE 6MM MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 43 01 09 07 PAGE 43 INCLUDES ITEMS W HONDA GX120K1QX2 ENGINE CRANKCASE COVER ASSY CRANKCASE COVER ASSY PAGE 44 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE CRANKCASE COVER ASSY CRANKCASE COVER ASSY QTY REMARKS 1 113004 0640 COVER ASSEMBLY CRANKCASE W TYPE Les INCLUDES ITEMS W 2 11381ZH7800 GASKET CASE COVER 1 3 156002 1003 CAP ASSEMBLY OIL FILLER pcm INCLUDES ITEMS W 4 15600ZG4003 CAP ASSEMBLY OIL FILLER INCLUDES ITEMS W 7 156252 1003 GASKET OIL FILLER 1 8 156252 1003 GASKET OIL FILLER 1 9 90015883000 BOLT FLANGE 6X28 10 91001878003 BEARING RADIAL BALL 1 11 912032 0003 OIL SEAL 22X41X
5. FREIGHT POLICY All parts orders will be shipped collect or prepaid with the charges addedtothe invoice All shipments are F O B point of origin Multiquip s responsibility ceases when a signed manifest has been obtained from the carrier and any claim for shortage or damage mustbe settled between the consignee and the carrier MINIMUM ORDER The minimum charge for orders from Mul tiquipis 15 00 net Customers will be asked for instructions regarding handling of orders not meeting this requirement RETURNED GOODS POLICY Return shipments will be accepted and credit will be allowed subjectto the following provi sions 1 A Returned Material Authorization must be approved by Multiquip prior to ship ment 2 Toobtain a Return Material Authorization a list must be provided to Multiquip Parts Sales that defines item numbers quanti ties and descriptions of the items to be returned a Theparts numbers and descriptions must match the current parts price list b The list must be typed or computer generated c The list must state the reason s for the return d The list must reference the sales order s or invoice s under which the items were originally purchased e The list must include the name and phone number ofthe person request ingthe RMA 3 Acopyofthe Return Material Authoriza tionmustaccompany the return shipment 4 Freight is at the sender s expense All parts must be returned freight pre
6. OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 5 MQ D306HA SPECIFICATIONS PUMP ENGINE Table 1 Specifications Pump MQ 306H Diaphragm amp Discharge 3 00 76 126 Maximum Pumping 5 100 gallons hour Capacity 19 305 liters hour Max Soilds Diameter 1 5 in 38 mm Max Lift 25 ft 7 62 meters 50 fL 1524 meter Dry Net Weight 160 Ibs 72 Kg Table 2 Specifications Engine Model HONDA GX120K1QX2 Air cooled 4 stroke Single Cylinder OHV Horizontal Shaft Gasoline Engine Unleaded Automobile Fuel Gasoline Lube Oil Capacity 0 63 ats 60 liters Speed Control l Centrifugal Fly weight Type Starting Method Recoil Start Dimension 11 7 x 13 4 x 12 5 in L x W x H 297 x 341 x 318 mm Dry Net Weight 28 7 Ibs 13 Kg PAGE 6 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA DIMENSIONS PUMP PO ae NN Figure 1 MQ D306HA Pump Dimensions Table 3 Dimensions MODEL LENGTH WIDTH HEIGHT 36 0 in 19 0 in 27 0 In 91 48 69 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 7 MQ D306HA SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS Safety precautions should be followed at all times when operating this equipment Failure to read and understand the Safety Messages and Ope
7. Read Manual ALWAYS place the power source circuit breakers or ON OFF switch in the OFF position when the generator is not in use unless connected to transfer switch Before attempting to operate the pump and to avoid serious Ta avoid injun injury to personnel always and understand read and understand operation before using this manual Failure to read and This machino understand operation manual personnel only could result in serious harm ALWAYS wear approved eye and or even death as neede hearing protection MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 9 MQ D306HA RULES FOR SAFE OPERATION Failure to follow instructions in this manual may lead to serious injury or even death This equipment is to be operated by trained and qualified personnel only This equipment is for industrial use only The following safety guidelines should always be used when operating the MQ Model D 306H Diaphragm Pump GENERAL SAFETY NOT operate or service this equipment before reading this entire manual his equipment should not be operated by persons under 18 years of age NEVER operate this equipment without proper protective clothing shatterproof glasses steel toed boots and other protective devices required by the job NEVER operate this equipment when not feeling well due to fatigue lIness or taking medicine e E NEV
8. DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 Gear Reduction Oil Transmission 1 Remove the transmission oil level plug Figure 6 If oil begins to seep out as the plug is being removed then it can be assumed that the transmission oil is at the proper operating level 2 does not seep out as the oil level plug is being removed then remove the transmission oil fill plug and fill with SAE 80 90 EP gear oil to the proper operating level Transmission oil capacity is capacity is 1 1 4 pints 590 ml TRANSMISSION XAN FILL WITH SAE 80 90 EP GEAR OIL Figure 6 Transmission Oil Level Diaphragm pumps will handle fluids containing considerable solids not to exceed 1 5 inch 28 mm however if the mixture is too heavy to be pumped water must be added until the mixture becomes sufficiently fluid for pumping MQ D306HA PRE SETUP PUMP Connecting Rod Bearing Lubrication 1 Grease connecting rod bearing thru the access hole Figure 7 every 25 hours of operation 2 Use only premium lithium based grease conforming to NLG1 Grade 2 consistency APPLY 2 OR 3 SHOTS OF PREMIUM LITHIUM BASE GREASE EVERY 25 HOURS OF OPERATION EL bra id vo 290 952 Figure 7 Connecting Rod Bearing Lubrication MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 17 MQ D306HA INITIAL START UP EN
9. PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 37 HONDA GX120K1QX2 ENGINE CAMSHAFT ASSY CAMSHAFT ASSY PAGE 38 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 CAMSHAFT ASSY NO PART NO 1 141002 0812 2 144102 0010 3 144312 1000 2 144412 1010 9 144512 1013 6 14568ZE1000 7 147112 0010 8 147212 0000 9 14751ZF1000 10 14771ZE1000 11 14773ZE1000 12 147812 1000 13 14791ZE0010 14 90012ZE0010 15 90206ZE1000 HONDA GX120K1QX2 ENGINE CAMSHAFT ASSY PART NAME CAMSHAFT ASSEMBLY ROD PUSH ARM VALVE ROCKER LIFTER VALVE PIVOT ROCKER ARM SPRING WEIGHT RETURN VALVE IN VALVE EX SPRING VALVE RETAINER IN VALVE SPRING RETAINER EX VALVE SPRING ROTATOR VALVE PLATE PUSH ROD GUIDE BOLT PIVOT 8MM NUT PIVOT ADJ TY REMARKS 1 er INCLUDES ITEMS W MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 43 01 09 07 PAGE 39 HONDA GX120K1QX2 ENGINE CARBURETOR ASSY CARBURETOR ASSY PAGE 40 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 CARBURETOR ASSY NO PART NO 1 160102 1812 2 16011ZE0005 3 160132 0005 4 16015ZE1811 Ox 16016ZH7W01 16024ZE1811 7 16028220005 8 16044220005 9 16100ZH7W51 10 16124ZE0005 11 16166ZH7W50 12 16173001004 13 162112 0000 14 162122H7800 15 162202 1020 16 16221ZH880
10. These items should be serviced by your servic dealer unless you have the proper tools and are mechanically proficient Refer to the HONDA shop Manual for service procedures 3 For commercial use log hours of operation to determine proper maintenance intervals Reference manufacturer engine manual for specific servicing instructions PAGE 22 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA MAINTENANCE ENGINE Maintenance Performthe engine maintenance procedures as indicated below DAILY Thoroughly remove dirt and oil from the engine and control area Clean or replace the air cleaner elements as necessary Check and retighten all fasteners as necessary Check the spring box and bellows for oil leaks Repair or replace as needed WEEKLY Remove the fuel filter cap and clean the inside of the fuel tank Remove or clean the filter at the bottom of the tank Remove and clean the spark plug Figure 20 then adjust the spark gap to 0 028 0 031 inch 0 6 0 7 mm This unit has electronic ignition which requires no adjustments GAP Ng 0 028 0 031 IN 07 08 MM Figure 20 Spark Plug Gap ENGINE OIL 1 Drain the engine oil when the oil is warm as shown in Figure 21 2 Remove the oil drain bolt and sealing washer and allow the oil to drain into a suitable container 3 Replace engine oil with recommended type oil as listed in Table 5 Engine oil
11. several speeds Limit maximum speed to 65 strokes per minute of the diaphragm 2 800 RPM engine speed MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 43 01 09 07 PAGE 19 MQ D306HA MAINTENANCE PUMP Pump Vacuum Test Pump Cleaning After pumping water containing large amounts of dirt and debris perform the following Remove the drain plug from the pump housing Figure 2 and drain any water left in the pump Clean and remove dirt debris from pump casing Inspect A CAUTION Priming Pump DO NOT attempt to start the engine unless the pump has 1 previously been primed with water Severe pump damage will occur if pump has not been primed 9 perform the pump vacuum test do the following 1 Remove the pump fill cap Figure 2 and fill the pump with water impeller and volute for wear Replace any damaged or worn parts Gear Reduction Oil Transmission 1 Change transmission oil after the first 40 hours of operation Use SAE 80 90 EP gear oil Transmission oil 2 Start the engine as outlined in the initial start up section capacity is 1 1 4 pints 590 ml Check oil level periodically and wait for the pump to begin pumping and change oil after every 400 hours of operation inside the discharge opening of the pump and turn on 1 Grease connecting rod bearing thru the access the water This flow of water into the discharge opening hole Figure 7 every 25 ho
12. 1 17 16610ZE1000 18 169534 1812 19 1069547 1811 20 169564 1811 21 169572 1812 22 169672 0811 29 935000300806 244 9430520122 25 99101ZH80550 20 99101ZH80580 25 991012 80600 26 992047 00350 PART NAME GASKET SET VALVE SET FLOAT FLOAT SET CHAMBER SET FLOAT SCREW SET SCREW SET DRAIN SCREW SET B CHOKE SET CARBURETOR ASSEMBLY B SCREW THROTTLE STOP NOZZLE MAIN GASKET FUEL STRAINER CUP INSULATOR CARBURETOR GASKET INSULATOR SPACER CARBURETOR GASKET CARBURETOR LEVER CHOKE STANDARD LEVER VALVE PLATE LEVER SETTING SPRING VALVE LEVER GASKET VALVE CUP FUEL STRAINER SCREW PAN 3 X 6 PIN SPRING 2 X 12 JET MAIN 455 OPTIONAL JET MAIN 458 OPTIONAL JET MAIN 860 JET SET PILOT 435 HONDA GX120K1QX2 ENGINE CARBURETOR ASSY TY REMARKS INCLUDES ITEMS W INCLUDES ITEMS W MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 41 HONDA GX120K1QX2 ENGINE CONTROL ASSY CONTROL ASSY PAGE 42 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 CONTROL ASSY 3 16500ZH7820 4 16551ZE0010 9 16555ZE0000 6 16561ZE0020 7 165627 0020 Bit 16571ZH7000 9 16574ZE1000 104 16575ZH8000 11 106576891000 124 165782 1000 144 165804 7810 15 16584883300 164 165922 1810 18 90013883000 19 90015ZE5010 20 90022888010
13. 5 WASHER TOOTH LOCK 4 53 2025601 KEY 3 16 SQ x1 1 54 2025162 SCREW HEX 5 16 24UNFx1 4 55 2025167 WASHER LOCK 5 16 8 56 GX120K1QX2 ENGINE HONDA GX120K1 3 4 KEYED SHAFT 1 or 3054953A GUARD 1 58 2024964 CAP GREASE PLASTIC 1 59 3051012 WASHER SLOTTED HEX 10 x1 2 2 TYPE F SELF TAPPING MACH SCREWS 60 3053317 WASHER RETAINING 2 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 33 5 ggg Z EEE o zh xr E dx SEEE ok 2 8 B 2 x 2222 5 EE a lt lt lt Q D306HA Og OG 5 aan NA 0 0 vede SUE RK 5 co gt LLI cc lt lt t o cc Q lt t lt Q lt cc LLI O lt t cc m t cO co Q O lt co LLI lt e PUMP ASSY CONT PUMP ASSY CONT PART NO 2023212 3054847B 2020316 3065581 3065583 2025656 2021211 3053416 2021232 3064779 3063327 3063320 306W274A 2023800 306A0100310200 3055160 20226760 306606075Y 2025111 306A0100310225 306A0100500250 306H7200180125Z 306 400037 306A0100370125 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 35 MQ D306HA PUMP ASSY CONT PART NAME SCREW MACHINE FLT HD 10 32x1 2 CONNECTING ROD T
14. 6 1 12 9430108140 PIN A DOWEL 8X14 2 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 45 HONDA GX120K1QX2 ENGINE CRANKSHAFT ASSY CRANKSHAFT ASSY PAGE 46 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE CRANKSHAFT ASSY CRANKSHAFT ASSY NO PART NO PART NAME QTY REMARKS 1 13310ZE0601 CRANKSHAFT H TYPE 1 2 90745ZE1600 KEY 4 78 X4 78X38 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 47 HONDA GX120K1QX2 ENGINE CYLINDER BARREL ASSY CYLINDER BARREL ASSY PAGE 48 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE CYLINDER BARREL ASSY CYLINDER BARREL ASSY NO QTY REMARKS 2 120A0ZH7810 CYLINDER ASSEMBLY OIL ALERT 1 INCLUDES ITEMS W 3 15510ZE1033 SWITCH ASSEMBLY OIL LEVEL 4 165102 1000 GOVERNOR ASSEMBLLY DH 165112 1000 WEIGHT 165122 1000 HOLDER GOVERNOR WEIGHT 165132 1000 PIN GOVERNOR WEIGHT 8 165312 1000 SLIDER GOVERNOR 9 165412 1000 SHAFT GOVERNOR ARM 10 90131ZE1000 BOLT DRAIN PLUG 11 90451ZE1000 WASHER THRUST 6mm 12 90601ZE1000 WASHER DRAIN PLUG 10 2mm 13 90602ZE1000 CLIP GOVERNOR HOLDER INCLUDES ITEMS W 14 91001878003 BEARING R
15. ADIAL BALL 62 22 15 912027 6003 OIL SEAL 22X35X6 16 91353671003 O RING 13 5X1 5 ARAI 17 9405010000 NUT FLANGE 10mm 18 9410106800 WASHER PLAIN 6mm 19 9425108000 PIN LOCK 8mm PN 4 10 PN SAN 20 957010601200 BOLT FLANGE 6X12 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 49 HONDA GX120K1QX2 ENGINE CYLINDER HEAD ASSY CYLINDER HEAD ASSY PAGE 50 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE CYLINDER HEAD ASSY CYLINDER HEAD ASSY NO PART NO PART NAME QTY REMARKS 1 12210ZH7000 CYLINDER HEAD uuu INCLUDES ITEMS W 2k 122047 1306 GUIDE VALVE OS OPTIONAL 3x 12205ZE1315 GUIDE EX VALVE OS OPTIONAL 4 12216 5300 CLIP VALVE GUIDE INCLUDES ITEMS W 1 1 1 5 12251ZH7800 GASKET CYLINDER HEAD 1 6 12310ZE1000 COVER HEAD 1 6 12310ZE1010 COVER HEAD 1 7 123912 1000 GASKET CYLINDER HEAD COVER 1 8 15721ZH8000 TUBE BREATHER 1 9 90013883000 BOLT FLANGE 6X12 CT200 4 10 900437 1020 BOLT STUD 6X109 2 11 90047ZE1000 BOLT STUD 8X32 2 12 9430110160 PIN A DOWEL 10X16 2 14 957230805500 BOLT FLANGE 8X55 2 1 15 9807955846 SPARK PLUG BPR6ES NGK MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 51 HONDA GX120K1QX2 ENGINE FAN COVER ASSY
16. Clamp Used to secure the hose to the inlet and outlet ports on the pump Use two clamps to secure the hose on the inlet side of the pump Discharge Hose Connect a flexible rubber hose to the discharge port on the pump Make sure that the hose lays flat andis not kinked Use only recommended type discharge hose Contact Multiquip parts department for ordering information Suction Port Connect a 3 inch inlet hose to this port Use two worm clamps to secure the hose Suction Hose Connect a flexible rubber hose to the suction port on the pump Make sure that the hose lays flat and is not kinked Use only recommended type suction hose Contact Multiquip parts department for ordering information Strainer Always attach a strainer to bottom side of the suction hose to prevent large objects and debris from entering the pump Strainer should be positioned so that it will remain completely under water Running the pump with the strainer above water for long periods can damage pump Support Body This unit is equipped with a hinged support assembly that allows for easy access to the pump body MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 43 01 09 07 PAGE 13 MQ D306HA BASIC ENGINE Figure 3 Engine Controls and Components INITIAL SERVICING The engine Figure 3 must be checked for proper lubrication and filled with fuel prior to operation Refer to the Honda manufacturers engine manual f
17. DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 FUEL TANK ASSY 1 168547H8000 2 16955ZE1000 3 17510ZE0020ZD 9 17620497023 17631ZH7003 11 91353671003 12 9405006000 13 950014500360M 14 9500202080 15 90004ZH7003 HONDA GX120K1QX2 ENGINE FUEL TANK ASSY PART NAME RUBBER SUPPORTER 107MM 1 JOINT FUEL TANK TANK FUEL NH1 BLACK CAP FUEL FILLER INCLUDES ITEMS W GASKET FUEL FILLER CAP 1 O RING 13 5X1 5 ARAI 1 NUT FLANGE 6MM 2 BULK HOSE FUEL 4 5X3000 4 5X140 1 2 1 REMARKS CLIP TUBE B8 BOLT FLANGE 6X29 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 57 HONDA GX120K1QX2 ENGINE IGNITION COIL ASSY IGNITION COIL ASSY PAGE 58 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE IGNITION COIL ASSY IGNITION COIL ASSY NO APART NO PART NAME QTY REMARKS 1 30500ZE1033 COIL ASSEMBLY IGNITION 1 2 30700ZE1013 CAP ASSEMBLY NOISE SUPPRESSOR 1 8 90121952000 BOLT FLANGE 6X25 2 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 59 HONDA GX120K1QX2 ENGINE MUFFLER ASSY MUFFLER ASSY PAGE 60 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE MUFFLER ASSY MUFFLER ASSY NO PART NO PART
18. ER operate this equipment under the influence of drugs or alcohol ALWAYS wear proper respiratory mask 1 hearing and eye protection equipment when 512 of operating the mixer NEVER place hands inside the drum while the blades are rotating Whenever necessary replace nameplate operation and safety decals when they become difficult read ll Manufacture does not assume responsibility for any accident due to equipment modifications Mi NEVER use accessories or attachments which are recommended by Multiquip for this equipment Damage to the equipment and or injury to user may result NEVER touch the hot exhaust manifold muffler or cylinder Allow these parts to cool before servicing engine or mixer M High Temperatures Allow the engine to cool before adding fuel or performing service and maintenance functions Contact with hot components can cause serious burns The engine section of this mixer requires an adequate free flow of cooling air NEVER operate the mixer in any enclosed or narrow area where free flow of the air is restricted If the air flow is restricted it will cause serious damage to the mixer or engine and may cause injury to people Remember the pump s engine gives off DEADLY carbon monoxide gas ALWAYS refuel in a well ventilated area away from sparks and open flames E ALWAYS use extreme caution when working with flammable liquids When refueling stop the e
19. GINE A CAUTION Read Manual 4 Place the choke lever Figure 9 inthe CLOSED position if starting a warm engine or the temperature is warm DO NOT attempt to operate the pump until the 2 Safety General Information and Inspection Ry E sections of this manual have been read thoroughly understood LEVER This section is intended to assist the operator with the initial start up of the diaphragm pump It is extremely important that this section be read carefully before attempting to use the pump in the field Starting the Engine HONDA engine CLOSED 1 Place the engine fuel valve lever Figure 8 to the ON position Figure 11 Engine Choke Lever Closed 5 Place the engine ON OFF switch Figure 12 in the ON position ENGINE SWITCH 2 Move the throttle lever Figure 9 away from the slow position about 1 3 of the way toward the fast position ON Figure 12 Engine ON OFF Switch ON Position 6 Grasp the starter grip Figure 13 and slowly pull it out The resistance becomes the hardest ata certain position corre sponding tothe compression point Pullthe starter grip briskly THROTTLE LEVER and smoothly for starting STARTER GRIP Figure 9 Throttle Lever 1 3 Start Position 3 Placethe choke lever Figure 10 inthe OPEN position if bm n R 54 gt starting cold engine TE ss VES 2 9 A 42 lt Figure 13 Starter Grip Figure 10 Eng
20. NAME QTY REMARKS 1 18310ZF1000 MUFFLER 1 3 18320ZF1H01 PROTECTOR MUFFLER 1 7 18381ZH8800 GASKET MUFFLER 1 10 90050ZE1000 SCREW TAPPING 5X8 4 13 940010800005 NUT HEX 8 2 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 61 HONDA GX120K1QX2 ENGINE PISTON ASSY PISTON ASSY PAGE 62 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE PISTON ASSY PISTON ASSY NO PARTNO PART NAME QTY REMARKS 13010ZK7V01 RING SET PISTON STANDARD 1 13011ZE6013 RING SET PISTON OS 0 25 OPTIONAL 1 1 130122 7 01 RING SET PISTON OS 0 50 OPTIONAL 1 1 13013ZK7V01 RING SET PISTON OS 0 75 OPTIONAL 1 2 13101ZH7000 PISTON STANDARD 1 2 13102ZH7000 PISTON OS 0 25 1 2 13103ZH7000 PISTON OS 0 50 1 2 13104ZH7000 PISTON 0 75 1 3 13111ZE0000 PIN PISTON 1 4 132A0ZE0000 ROD ASSY CONNECTING UNDER SIZE 1 INCLUDES ITEMS W 4 132007 0000 ROD ASSEMBLY 1 INCLUDES ITEMS W 5x 900017 1000 BOLT CONNECTING ROD 2 6 90551ZE0000 CLIP PISTON PIN 13MM 2 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 63 HONDA GX120K1QX2 ENGINE RECOIL STARTER ASSY RECOIL STARTER ASSY PAGE 64 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE RECOIL STAR
21. OP FITTING GREASE 3 16 STR CONNECTING ROD BEARING CRANK ARM SCREW SOCKET SET 5 16 18x5 16 L G SCREW HEX 1 2 x1 1 2 13UNC NUT HEX JAM LOCK NYLON 3 4 16 UNF OIL SEAL STUB AXLE BUMPER TOWING POLE WHEEL 8 X 1 75 SEMI PNEUMATIC WASHER LOCK SCREW HEX 5 16 18 x 2 HN LW WASHER FLAT 5 16 WASHER SLOTTED HOLE 1 32 THK WASHER FLAT 3 8 SAE NUT HEX 5 16 18 UNC 5 16 18 X 2 1 4 SCREW HEX HN LW SCREW HEX 1 2 12 X 2 1 2 LW COTTER PIN 3 16 O D X 1 1 4 NUT 3 8 16 SCREW HEX 3 8 16 X 1 1 4 QTY 6 1 1 1 1 1 1 3 1 1 1 2 2 4 2 8 8 2 4 2 2 2 4 4 REMARKS HONDA GX120K1QX2 ENGINE AIR CLEANER ASSY AIR CLEANER ASSY PAGE 36 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE AIR CLEANER ASSY AIR CLEANER ASSY NO REMARKS 1 162712 1000 GASKET ELBOW 1 2 172102 0505 ELEMENT AIR CLEANER DUAL INCLUDES ITEMS W 17218220505 FILTER OUTER 1 4 172302 0820 COVER AIR CLEANER DUAL 1 5 17232891000 GROMMET AIR CLEANER 1 Ti 17238ZE0010 COLLAR AIR CLEANER 2 84 172392 1000 COLLAR B AIR CLEANER 1 9 174102 0030 ELBOW AIR CLEANER INCLUDES ITEMS W t 12 90325044000 WINGNUT TOOL BOX SETTING 2 13 957010602000 BOLT FLANGE 6X20 1 14 9405006000 NUT FLANGE 6MM 2 MQ D306HA DIAPHRAGM
22. OPERATION AND PARTS MANUAL dd MULTIQUIP MODEL MQ D306HA DIAPHRAGM PUMP Honda Gasoline Engine Revision 83 01 09 07 THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES MQ D306HA PROPOSITION 65 WARNING CALIFORNIA Proposition 65 Warning Engine exhaust and some of Its constituents are known to the State of California to cause cancer birth defects and other reproductive harm PAGE 2 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 NOTE PAGE MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 3 MQ D306HA TABLE OF CONTENTS MQ D306HA Gasoline Powered Diaphragm Pump Proposition 65 Warning 2 uuu ma us ans 3 Parts Ordering Procedures 4 5 Specifications Pump Engine 6 Pump DIMENSIONS 7 Safety Message Alert Symbols 8 9 Rules For Safe Operation 10 11 General Information 12 Pump 13 BASIC ee 14 Pre Inspection Engine 15 Pre Set up 16 17 Initial Start up
23. SSION STRAINER SCREW HEX 1 2 x1 3 4 13 UNCX NUT HEX 1 2 13 WASHER LOCK 3 8 QTY 2 1 8 2 2 2 2 2 A 1 1 1 8 1 3 1 1 1 1 2 1 1 4 3 8 REMARKS MQ D306HA PUMP ASSY PUMP ASSY INS gt 83 NOTES N 7 JN TORQUE TO 7 8 FT LBS TORQUE TO 10 11 FT LBS A TORQUE TO 35 40 FT LBS A TORQUE TO 55 60 FT LBS PAGE 32 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA PUMP ASSY PUMP ASSY NO PART NO PART NAME QTY REMARKS 23 3064771 PUMP FRAME 1 24 3051213 SCREW HEX 1 2 x1 3 4 13 UNCX 2 25 3051200 WASHER WASHER 1 2 4 26 3054850 GEAR CASE 1 21 2024540 PLUG PIPE VENTED 3 8 PLASTIC 1 28 3054858 GASKET GEAR CASE 1 29 2063070 BEARING BALL 1 30 2024853 GEAR SHAFT 1 31 2020807 KEY WOODRUFF 4807 2 32 2025058 GEAR 79 1 33 2063040 BEARING BALL 2 34 2024852 PINION 11T 1 35 2023417 GEAR INTERNAL 85T 1 36 2023020 BEARING BALL 1 37 2021434 PIN DOWEL 1 4 DIA x3 4 2 38 2064851 COVER GEAR CASE 1 39 2021827 PIPE PLUG 1 8 NPT SQ HD 2 40 2061880 NEEDLE BEARING 1 41 3051421 SCREW HEX 1 4 20x1 9 42 2021421 WASHER LOCK 1 4 11 43 2024945 LIFTING HOOK 1 44 3051420 SCREW HEX HEAD PLATED 2 45 2021402 WASHER FLAT 1 4 2 46 2024854 PINION 14T 3 4 BORE 1 47 2029106 BEARING BALL 1 48 2025100 RING RETAINING EXTERNAL 1 49 2024859 O RING 1 50 2024856 ENGINER ADAPTER 1 51 2025160 SCREW 8W HDCP 5 16 18UNCx1 4 92 202516
24. TER ASSY RECOIL STARTER ASSY NO PART NO PART NAME QTY REMARKS 1 204007H80137B STARTER ASSY RECOIL NH1 BLACK INCLUDES ITEMS W 2 204107H80037B CASE RECOIL STARTER NH1 BLACK 1 3 28420ZH8013 REEL RECOIL STARTER 1 4 28422298013 RATCHET STARTER 2 28433ZH8003 GUIDE RATCHET 1 28441ZH8003 SPRING FRICTION 1 7 284422H8003 SPRING RECOIL STARTER 1 8 2844328003 SPRING RETURN 2 9 28461ZH8003 KNOB RECOIL STARTER 1 10 28462ZH8003 ROPE RECOIL STARTER 1 11 90003ZH8003 SCREW SETTING 1 12 9008ZE2003 BOLT FLANGE 6X10 3 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 65 HONDA GX120K1QX2 ENGINE GASKET KIT ASSY NO ARTWORK AVALIBLE PAGE 66 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 HONDA GX120K1QX2 ENGINE GASKET KIT ASSY GASKET KIT ASSY NO PART NO PART NAME QTY REMARKS 2 06111ZH7405 GET T 2 Lane INCLUDES ITEMS W 3 11381ZH7800 GASKET CASE COVER 1 4 12251297800 GASKET CYLINDER HEAD 1 5 12391ZE1000 GASKET CYLINDER HEAD COVER 1 6 16212ZH7800 GASKET INSULATOR 1 7 16221ZH8801 GASKET CARBURETOR 1 9 18381298800 GASKET MUFFLER 1 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 67 Effective February 22 2006 TERMS AND CONDITIONS OF SALE PARTS PAYMENT TERMS Terms of payment for parts are net 30 days
25. ample free flow of air 4 mJ T ALWAYS wear approved eye and hearing protection before operating the compactor Before Starting 1 Read safety instructions at the beginning of manual 2 Place pump as near to water as possible on afirm flat level surface 3 loprimepump remove fill cap Figure 2 andfill pump casing with water If the pump casing is not filled with water before starting it will not begin pumping CAUTION Pump Casing Pump casing must be filled with water before using pump Otherwise pump will not be able to begin pumping AX WARNING Fill Cap DO NOT open fill cap if pump is hot Water inside may be under pressure 4 Checkfor leaksbetween pump and engine If wateris leaking between the pump and engine housing the seal inside the pump may be worn or damaged Continued operation ofthe pump is not recommended Further usage of the pump under these conditions may cause severe water damage to engine Hoses and Clamps 1 Checkthat all hoses are securely attached to the pump Make certain suction hose Figure 2 does not have any air leakage Tighten hose clamps and couplings as required 2 ltisrecommendedthat 2 clampsbe used when securing the suction hose to the inlet side suction of the pump MQ D306HA PRE SETUP PUMP 3 Remember suction hoses must be rigid enough not to collapse when the pump is in operation 4 Check that the discharge hose Figure 2 is not re
26. capacity is 1 16 quarts 1 1 liters DO NOT overfill 4 Install drain bolt with sealing washer and tighten se DRAIN SEALING BOLT WASHER Figure 21 Engine Oil Draining DANGER Combustion Fire Explosion DO NOT usegasoline as a cleaning solvent The possibility exists of fire or explosion ENGINE AIR CLEANER 1 Remove the air cleaner cover and foam filter element as shown in Figure 22 Tap the paper filter element Figure 22 several times on a hard surface to remove dirt or blow compressed air not exceeding 30 psi 207 kPa 2 1 kgf cm through the filter elementfromthe air cleaner case side NEVER brush off dirt Brushing will force dirt intothe fibers Replace the paper filter element if it is excessively dirty Clean foam element in warm soapy water or nonflammable solvent Rinse and dry thoroughly Dip the element in clean engine oil and completely squeeze outthe excess oil fromthe element before installing AIR CLEANER WING Figure 22 Engine Air Cleaner MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 23 MQ D306HA PREPARATION FOR LONG TERM STORAGE Pump Storage For storage of the pump for over 30 days the following is required Drain the fuel tank completely e Run the engine until the fuel is completely consumed Completely drain used oil from the engine crankcase and fill with fresh clean oil then follow the procedures
27. described in the engine manual for engine storage e Remove the pump cover and clean inside of pump housing Coat inside of pump housing with a light film of oil to reduce corrosion spray can of oil works well for this application amp Cover suction and discharge ports with duct tape to prevent any foreign matter from falling into pump amp Cover pump and engine with plastic covering or equivalent and store in a clean dry place Jo protect the water cooled seals place one half pint of lubricating oil new or used through the discharge opening on the pump and crank the engine several times This will prevent excessive corrosion and also keep the mechanical seal lubricated PAGE 24 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA TROUBLESHOOTING ENGINE TABLE 7 ENGINE TROUBLESHOOTING SYMPTOM POSSIBLE PROBLEM Difficult to start SOLUTION Ignition plug being bridge Check ignition system Carbon deposit at ignition Clean or replace ignition Fuel is available but spark plug will not ignite Power available at high tension cable Short circuit due to defective insulators Replace insulators Improper spark gap Set spark plug gap to the correct gap Fuel is available but spark plug Short circuit at stop switch Check stop switch circuit Replace stop switch if defective will not ignite Power NOT available at high tension cable Ignit
28. e the filler dipstick from the engine oil filler hole Figure 4 and wipe clean Motor fuels are highly flammable and can be dangerous if mishandled DO NOT smoke while refueling Adding fuel to the tank should be done only when the engine is stopped and has had an opportunity to cool down DO NOT attempt to refuel the pump if the engine is hot or running In the event of any spilled fuel wipe up immediately DO NOT attempt to start the engine until the fuel residue has been completely wiped up and the area surrounding the engine is dry Fuel Check Fi 4 Engi il Dipstick R igure 4 Engine Oil Dipstick Removal 1 Remove the gasoline cap located on top of fuel tank 2 Visually inspect to see if the fuel level is low If fuel is low 3 Insertand remove the dipstick without screwing itinto the filler replenish with unleaded fuel neck Check the oil level shown on the dipstick When refueling be sure to use a strainer for filtration DO 3 4 Ifthe oil level is low Figure 5 fill to the edge of the oil filler NOT top off fuel Wipe up any spilled fuel immediately hole with the recommended oil type Table 5 Maximum oil capacity Is 63 quarts 60 liters MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 15 Before Starting A CAUTION General Safety Precautions NEVER operate the pump in a confined RUE area or enclosed area structure that does not provide
29. ed for tightness and leaks A small suction leak in the hose or fittings could prevent the pump from priming Elevation Higher elevations will effect the performance of the pump Due to less atmospheric pressure at higher altitudes pumps DO NOT have the priming ability that they have at sea level This is due to the thinner air or lack of oxygen at higher altitudes A general rule of thumb is that for every 1 000 feet of elevation above sea level a pump will lose one foot of priming ability For example in Flagstaff Arizona where the elevation is approximately 7 000 feet the pump would have a suction lift of only 18 feet rather than the 25 feet at sea level Table 3 shows suction lift at various elevations Table 3 Suction Lift at Various Elevations Suction Lift in Feet Meters Sea Level 100 3 048 2 000 610 98380 2 680 13 2 4 023 17 6 5 364 22 0 6 705 us on 8615 em 419 osten 11369 8 000 2 438 6 20 1 889 9 30 2 834 12 4 3 779 15 5 4 724 Table 4 shows percentage drops in performance as elevation increases Altitude Feet Meters Table 4 Performance Loss at Various Elevations Altitude I Feet Meters Discharge Flow Discharge Head 4 000 1 219 91 Please contact your nearest authorized dealer for any accessories that your pump may require PAGE 12 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL
30. eplace spark plug with correct type spark plug MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 25 MQ D306HA TROUBLESHOOTING ENGINE PUMP TABLE 7 ENGINE TROUBLESHOOTING Continued SYMPTOM POSSIBLE PROBLEM SOLUTION Operation not satisfactory Governor adjustment improper Adjust governor to correct lever Governor spring defective Clean or replace ignition penn speed Nede Fuel flow erratic Check fuel line Air taken in through suction Check suction line line Recoil starter not working Dust in rotating part Clean recoil starter assembly properly Spring spring failure Replace sprial spring TABLE 8 PUMP TROUBLESHOOTING Water leaking out weep hole between pump and Check condition of mechanical seal and gaskets engine between pump end and engine housing Check that valves are seated correctly Pour water in Valves not seated correctly in suction chamber to help seal valves Pump does not prime correctly Check diaphragm for breaks or leaks Pump takes in water little or no Engine speed too low Increase throttle speed Fittings clamps are not sealed properly Tighten replace or add clamp Keep extra seals on Suction hose leaks at inlet pump Hose diameter is too large Use smaller diameter hose or replace hose Discharge hose does not stay Pressure too high Check pressure add additional clamp on coupling Hose kinked or end blocked Chec
31. er through the casing This means the pump will deliver a specific amount of flow per stroke revolution or cycle These pumps are commonly referred to as mud hogs mud hens and mud suckers Their names reflect their popularity for use in applications where shallow depths and slurry water render centrifugal pumps ineffective Power Plant This diaphragm pump is powered by a 5 5 horsepower air cooled 4 stroke single cylinder HONDA GX 120 gasoline engine that incorporates a low Oil Alert Feature The drive shaft of the engine is coupled to an offset connecting rod that is coupled to a flexible diaphragm The connecting rod alternately raises expands and lowers contracts the diaphragm at a rate between 40 and 65 strokes per minute depending on engine speed Oil Alert Feature In the event of low oilor no oil the HONDA GX 120 engine has a built in oil alarm engine shut down feature In the event the oil level is low the engine will automatically shut down Suction Lift This pump is intended to be used for dewatering applications and is capable of suction lifts up to 25 feet at sea level For optimal suction lift performance keep the suction hose or line as short as possible In general always place the pump as close to the water as possible Pump Support The pump should always be placed on solid stationary ground in a level position NEVER place the pump on soft soil The suction hose or pipe connection should always be check
32. g pump over long distances or bad roads MAINTENANCE NEVER lubricate components or attempt service on a running pump ALWAYS allow the pump a proper amount of time to cool before servicing Keep the pump in proper running condition Fix damage to the pump immediately and always replace broken parts Dispose of hazardous waste properly Examples of potentially hazardous waste are used motor oil fuel and fuel filters DO NOT use food or plastic containers to dispose of hazardous waste EMERGENCIES MALWAYS know the location of the nearest fire extinguisher and first aid kit EN FIRST AID KIT ll In emergencies always know the location of the nearest phone or keep a phone on the job site Also know the phone numbers of the nearest ambulance doctor and fire department This information will be invaluable in the case of an emergency LL AMBULANCE mem MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 11 MQ D306HA GENERAL INFORMATION APPLICATION The MQ Model D305HA diaphragm pump is designed to be used for de watering applications The suction and discharge ports on this pump use a 3 inch diameter opening which allows the pump to pump at rate of approximately 5 100 gallons hour gph 19 305 liters hour Iph Diaphragm pumps use a positive displacement design rather than centrifugal force to move wat
33. in the suction hose when the engine is stopped This prevents backflow and allows for faster priming when the engine is restarted PAGE 20 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA MAINTENANCE PUMP CAUTION DO NOT RUN PUMP WITHOUT WATER DISCHARGE PORT 2 lt q WATER EE I SOURCE WATER HOSE DIRECTION OF WATER FLOW PLACE VACUUM TESTER OVER PUMP SUCTION PORT ACCEPTABLE READING SHOULD BE BETWEEN 25 AND 20 IN HG PUMP VACUUM TESTER 25 IN HG TRANSLATES INTO 25 FEET OF LIFT AT SEA LEVEL Figure 19 Pump Vacuum Tester Pressure reading may vary depending on altitude See Tables 3 and 4 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 21 MQ D306HA MAINTENANCE ENGINE Engine Maintenance Perform engine maintenance procedures as referenced by Table 6 below Table 6 Engine Maintenance Schedule YEAR DESCRIPTION 3 OPERATION on BEFORE CHECK Engine Oil CHANGE CHECK Air Cleaner CHANGE Re tighten If All Nuts amp Bolts Necessary CHECK CLEAN Spark Plug REPLACE Cooling Fins CHECK Spark Arrester CLEAN Fuel Tank CLEAN Fuel Filter CHECK Idle Speed CHECK ADJUST Valve Clearance CHECK ADJUST Fuel lines CHECK Every 2 years replace if necessary 2 1 Service more frequently when used in DUSTY areas 2
34. ine Choke Lever Open PAGE 18 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA INITIAL START UP ENGINE 7 If the engine has started slowly return the choke lever Stopping The Engine Figure 14 tothe CLOSED position If the engine hasnot Normal Shutdown started repeat steps 1 through 6 1 Movethethrottle lever tothe IDLE position Figure 16 and run the engine for three minutes at low speed THROTTLE CHOKE LEVER LEVER Figure 16 Throttle Lever Idle CLOSED 2 Aftertheengine cools turnthe engine ON OFF switchtothe position Figure 17 Figure 14 Choke Lever Closed ENGINE SWITCH 8 Before the pump is placed into operation run the engine for OFF several minutes Check for fuelleaks and noises that would associate with a lose component 9 To begin pumping place the throttle lever Figure 15 in the RUN position Figure 17 Engine ON OFF Switch OFF 3 Place the fuel shut off lever Figure 18 the OFF position THROTTLE LEVER Figure 15 Throttle Lever Run Figure 18 Fuel Valve Lever OFF Emergency Showdown 1 Move the throttle lever quickly to the IDLE position and Pump speed can be regulated with place the engine ON OFF switch in the OFF position the engine throttle control from full volume 65 strokes per minute to about 40 strokes per minute for lesser volume Smoothest operation g to pump at
35. ion coil defective Replace ignition coil Muffler clogged with carbon deposits Clean or replace muffler Mixed fuel quality is Check fuel to oil mixture Fuel is available and spark plug inadequate ignites compression normal Fuel in use inadequate water Flush fuel sytem and replace with fresh fuel dust Air Cleaner clogged Clean or replace air cleaner Defective cylinder head gasket Tighten cylinder head bolts or replace head gasket Fuel is available and spark plug 2 ignites compression low Cylinder worn Replace cylinder Spark plug loose Tighen spark plug Operation not satisfactory Air cleaner clogged Clean or replace air cleaner Air in fuel line Bleed remove air from fuel line Not enough power available compression normal no miss firing Fuel level in carbureator float chamber improper Adjust carbureator float Carbon deposits in cylinder Clean or replace cylinder Ignition coil defective Flush fuel sytem and replace with fresh fuel Not enough power available compression normal miss firing Ignition plug often shorts Replace ignition wires clean ignition Fuel in use inadequate water Flush fuel sytem and replace with fresh fuel dust Excessive carbon depostion in combustion chamber Clean or replace crankcase Engine overheats Exhaust or muffler clogged with carbon Clean or replace muffler Spark plug heat value incorrect R
36. k hose PAGE 26 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 NOTE PAGE MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 27 MQ D306HA EXPLANATION OF CODE IN REMARKS COLUMN How to read the marks and remarks used in this parts book The contents of this catalog are Items Found In the Remarks Column subject to change without notice serial Numbers Where indicated this indicates a serial number range inclusive where a particular part is used Model Number Where indicated this shows that the corresponding part is utilized only with this specific model number or model number variant Items Found In the Items Number Column All parts with same symbol in the number column 96 or belong to the same assembly or kit If more than one of the same reference number is listed the last one listed indicates newest or latest part available PAGE 28 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA SUGGESTED SPARE PARTS MQ D306HA DIAPHRAGM PUMP 170 3 UNITS WITH HONDA GX120K1QX2 ENGINE Qty PIN Description 172102 0505 ELEMENT AIR CLEANER DUAL 9807955846 SPARK PLUG 1 17620ZH7023 CAP FUEL WITH GASKET 1 28462ZH8003 ROPE STARTER eed 3052726 DIAPHRAGM en 3054937 FLAP VALVE
37. le of its products Apartfrom such written statement of warranty there are no warranties express implied or statutory which extend beyond the description ofthe products on the face hereof PAGE 68 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 NOTE PAGE MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 43 01 09 07 PAGE 69 OPERATION AND PARTS MANUAL HERE S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HAND WHEN CALLING UNITED STATES Multiquip Corporate Office MQ Parts Department 18910 Wilmington Ave Tel 800 421 1244 800 427 1244 Fax 800 672 7877 Carson CA 90746 Fax 800 537 3927 310 537 3700 Fax 310 637 3284 Contact mq multiquip com Mayco Parts Warranty Department 800 306 2926 Fax 800 672 7877 800 421 1244 Ext 279 Fax 310 537 1173 310 537 3700 Fax 310 637 3284 310 537 3700 Ext 279 Service Department Technial Assistance 800 421 1244 Fax 310 537 4259 800 478 1244 Fax 310 631 5032 310 537 3700 MEXICO UNITED KINGDOM MQ Cipsa Multiquip UK Limited Head Office Carr Fed Mexico Puebla KM 126 5 Tel 52 222 225 9900 Hanover Mill Fitzroy Street Tel 0161 339 2223 Momoxpan Cholula Puebla 72760 Mexico Fax 52 222 285 0420 Ashton under Lyne Fax 0161 339 3226 Contact pmastretta cipsa com mx Lancashire OL7 OTL Contact sales multiquip co uk CANADA BRAZIL Multiquip Multiquip 4110 Industriel Boul Tel 450 625 2244 Av Evandro Lin
38. mbly 58 59 Muffler Assembly 60 61 PSN FS 62 63 Recoil Starter Assembly 64 65 Gasket Kit Assembly 66 67 Terms and Condition Of Sale Parts 68 As a continuing effort to update our parts book contact the MULTIQUIP literature department for the latest revision of your Operation and Parts Manual PAGE 4 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 Effective June 1 2005 PARTS ORDERING PROCEDURES Ordering parts has never been easier Choose from three easy options Order via Internet Only If you have Account to obtain 4 Order parts on line using Multiquip s SmartEquip website Username and Password E mail us at View Parts Diagrams parts Qmultiquip com Order Parts To obtain an MQ Account contact your District Sales Manager for more information ll Print Specification Information ET 1 1 Goto www multiquip com and click on Use the internet and qualify for a 5 Discount Parts Ito log in and save on Standard orders for all orders which include 4 complete part numbers 7 zi Note Discounts Are Subject To Change lJ 1 Order via Fax Deale
39. ngine and allow it to cool DO NOT smoke around or near the machine Fire or explosion could result from fuel vapors or if fuel is spilled on a hot engine operate the pump in explosive atmosphere or near combustible materials An explosion or fire could result causing severe bodily harm or even death Topping off to filler port is dangerous as it tends to spill fuel Maintain this equipment in a safe operating condition at all times ALWAYS store equipment properly when it is not being used Equipment should be stored in a clean dry location out of the reach of children PAGE 10 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA RULES FOR SAFE OPERATION ALWAYS be sure the operator is familiar with proper safety precautions and operation techniques before using pump NEVER leave the pump unattended turn off engine when unattended m NEVER pump volatile explosive flammable or low flash point fluids These fluids could ignite or explode NEVER operate the pump in an explosive atmosphere Keep all inexperienced and unauthorized people away from the equipment at all times Before starting the pump check that the clean out cover is securely fasten ALWAYS ensure pump is on level ground before use Become familiar with the components of the pump before operating ALWAYS replace any worn or damaged wa
40. or instructions and details for operation and Servicing 1 Fuel Filler Cap Remove this cap to add unleaded gasoline to the fuel tank Make sure cap is tightened securely DO NOT over fill y DANGER Explosive Fuel Adding fuel to the tank should be done only when the engine is stopped and has had an opportunity to cool down In the event of a fuel spill DO NOT attempt to start the engine until the fuel residue has been completely wiped up and the area surrounding the engine is dry 2 Throttle Lever Used to adjust engine RPM speed lever advanced forward SLOW lever back toward operator FAST 3 Engine ON OFF Switch ON position permits engine starting OFF position stops engine operations 4 RecoilStarter pull rope Manual starting method Pull the starter grip until resistance is felt then pull briskly and smoothly 5 Fuel Valve Lever OPEN to let fuel flow CLOSE to stop the flow of fuel Choke Lever Used in the starting of a cold engine or in cold weather conditions The choke enriches the fuel mixture Air Cleaner Prevents dirt and other debris from entering the fuel system Remove wing nut on top of air filter cannister to gain access to filter element Operating the engine without an air filter with a damaged air filter or a filter in need of replacement will allow dirt to enter the engine causing rapid engine wear Spark Plug Provides spark to the ignition system Set
41. paid to Multiquip s designated receiving point 5 Parts mustbe in new and resalable con dition inthe original Multiquip package if any and with Multiquip part numbers clearly marked 6 Thefollowingitems are not returnable a Obsolete parts If an item is in the price book and shows as being re placedby another item itis obsolete b Any parts with a limited shelf life such as gaskets seals O rings andother rubber parts that were pur chased more than six months priorto the return date c Anylineitemwith an extended dealer net price of less than 5 00 d Specialorderitems e Electrical components f Paint chemicals and lubricants g Decalsandpaper products h Items purchased in kits 7 Thesenderwillbe notified of any material receivedthatis not acceptable 8 Such materialwillbe heldforfive working days from notification pending instruc tions If areply is not received within five days the material will be returnedto the sender athis expense 9 Crediton returned parts will be issued at dealer net price at time of the original purchase less a 15 restocking charge 10 Incases where an item is accepted for which the original purchase document can not be determined the price will be basedonthe list price that was effective twelve months priortothe RMA date 11 Credit issued will be applied to future purchases only PRICING AND REBATES Prices are subject to change without prio
42. pem 1506000 PLUG FILL PLASTIC gem 1506064 O RING 0742304080 STRAINER Part number on this Suggested opare Parts List may super cede replace the P N shown in the text pages of this book MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 43 01 09 07 PAGE 29 MQ D306HA WATERBOX AND GROOVE ASSY WATERBOX AND GROOVE ASSY TORQUE 16 20 FT LBS TORQUE 35 40 FT LBS PAGE 30 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA WATERBOX AND GROOVE ASSY WATERBOX AND GROOVE ASSY NO PART NO 3053041 3054932 3065985 3054935 3054936 3054938 3054937 3054939 2021032 1506064 1506060 3054933 306EC400037 3054929 306A0200500200ZC 3052724 3052726 3055026 3054992 3051812 3054944 0742304080 3051213 306EC400050 2023800 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 PAGE 31 PART NAME NIPPLE SUCTION AND DISCHARGE SUCTION CONNECTION STUD 3 8 16 X 2 1 8 H N LW GASKET SUCTION AND DISCHARGE FLAP VALVE SEAT WITH SPRING PIN VALVE WEIGHT FLAP VALVE VALVE BINDER SCREW MACHINE RND HEAD 10 32x1 2 O RING FILL PLUG PLUG FILL PLASTIC DISCHARGE CONNECTION NUT 3 8 16 WATERBOX 1 2 13 X2 CARRIAGE BOLT H N DIAPHRAGM BOTTOM DIAPHRAGM CONNECTING ROD CARRIAGE BOLD DIAPRHAGM TOP SPRING PIN 1 8 1 2 SPRING COMPRE
43. r notice Price changes are effective on a spe cific date and all orders received on or after that date will be billed atthe revised price Rebates for price declines and added chargesfor price increases will not be made for stock on hand atthe time of any price change Multiquip reserves the right to quote and sell directto Government agencies andto Original Equipment Manufacturer accounts who use our products as integral parts of their own products SPECIAL EXPEDITING SERVICE A 35 00 surcharge will be addedtothe invoice forspecialhandling including bus shipments insured parcel post or in cases where Multiquip must personally deliverthe parts to the carrier LIMITATIONS OF SELLER S LIABILITY Multiquip shall not be liable hereunder for damages in excess ofthe purchase price ofthe item with respect to which damages are claimed and in no event shall Multiquip be liable for loss of profit or good will or for any other special consequential or incidental dam ages LIMITATION OF WARRANTIES No warranties express or implied are made in connection with the sale of parts or trade accessories nor as to any engine not manufac tured by Multiquip Such warranties made in connection with the sale of new complete units are made exclusively by a statement of war ranty packaged with such units and Multiquip neitherassumes nor authorizes any personto assume for it any other obligation or liability whatever in connection with the sa
44. rating Instructions could result in injury to yourself and others This Owner s Manual has been developed to provide complete instructions for the safe and efficient operation of the MQ Model D306HA Diaphragm Pump Refer to the engine manufacturers instructions for data relative to its safe operation Before using these pumps ensure that the operatin individual has read and understands all instructions in this manual SAFETY MESSAGE ALERT SYMBOLS The three 3 Safety Messages shown below will inform you about potential hazards that could injure you or others The Safety Messages specifically address the level of exposure to the operator and are preceded by one of three words DANGER WARNING or CAUTION AM DANGER You WILL be KILLED or SERIOUSLY injured if you DO NOT follow directions AX WARNING You CAN be KILLED or SERIOUSLY injured if you DO NOT follow directions You CAN be INJURED if you DO NOT follow directions HAZARD SYMBOLS Potential hazards associated with the operation of the MQ Model D 306H B and R Diaphragm Pumps will be referenced with Hazard Symbols which appear throughout this manual and will be referenced in conjunction with Safety Message Alert Symbols A WARNING Lethal Exhaust Gas Hazards Engine exhaust gases contain poisonous carbon monoxide This gas is colorless and odorless and can cause death if inhaled NEVER operate this equipment in a confined area or enclosed st
45. rning decals NEVER pump corrosive chemicals or water containing toxic substances These fluids could create serious health and environmental hazards Contact local authorities for assistance NEVER open the priming plug when pump is hot Hot water inside could be pressurized much like the radiator of an automobile Allow pump to cool to the touch before loosening plug NEVER open the pump housing during operation or start the pump with the clean out cover removed The rotating impeller inside the pump can cut or sever objects caught in it m NEVER block or restrict flow from discharge hose Remove kinks from discharge line before starting pump Operation with a blocked discharge line can cause water inside pump to overheat ALWAYS fill the pump casing with water before starting the engine Failure to maintain water inside the pump housing will cause severe damage to the pump In winter drain water from pump housing to prevent freezing ALWAYS test the engine ON OFF switch before operating The purpose of this switch is to shut down the engine Refer to the HONDA Engine Owner s Manual for engine technical questions or information recommended by Multiquip for this equipment Damage to the equipment and or injury to user may result TRANSPORTING m ALWAYS shutdown engine before transporting Tighten fuel tank cap securely and close fuel cock to prevent fuel from spilling Drain fuel when transportin
46. rs Only Fax your order in and qualify for a 396 Discount All customers are welcome to order parts via Fax on Standard orders for all orders which include Domestic US Customers dial complete part numbers 1 800 6 PARTS 7 800 672 7877 r Note Discounts Are Subject To Change tiqu Order via Phone Domestic US Dealers Call 1 800 427 1244 1 ee E Non Dealer Customers Contact your local Multiquip Dealer for International Customers should contact their local Multiquip Representatives for parts or call 800 427 1244 for help in ip locating a dealer near you Parts Ordering information 4 s When ordering parts please supply Dealer Account Number O Specify Preferred Method of Shipment Dealer Name and Address V Fed Ex UPS v DHL Shipping Address if different than billing address iba One v Truck Return Fax Number Next Day Applicable Model Number Second Third Day Quantity Part Number and Description of Each Part Unless otherwise indicated by customer all orders are treated as Standard Orders and will ship within 24 hours We will make every effortto ship Air Shiomentsthe same day the order is received if received prior to 2PM PST Stock Orders must be noted on fax or web order form 17 7 7 7 7 721 G U I WE ACCEPT ALL MAJOR CREDIT CARDS VIULIISIU P MQ D306HA DIAPHRAGM PUMP
47. ructure that does not provide ample free flow air A DANGER Explosive Fuel Hazards Gasoline is extremely flammable and its vapors can cause an explosion if ignited DO NOT start the engine near spilled fuel or combustible fluids My DO NOT fill the fuel tank while the engine is running or hot DO NOT overfill tank since spilled fuel could ignite if it comes into contact with hot engine parts or sparks from the ignition system Store fuel in approved containers in well ventilated areas and away from sparks and flames A WARNING Burn Hazards Engine components can generate extreme heat To prevent burns DO NOT touch these areas while the engine is running or immediately after operations Never operate the engine with heat shields or heat guards removed Ali A WARNING Respiratory Hazards ALWAYS wear approved respiratory protection when required PAGE 8 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA SAFETY MESSAGE ALERT SYMBOLS A CAUTION Rotating Parts Hazards WN CAUTION Equipment Damage Hazards NEVER operate equipment with covers s i Other important messages provided throughout this or guards removed Keep fingers hands manual to help prevent damage to your light tower other hair and clothing away from all moving p property or the surrounding environment parts to prevent injury A CAUTION Accidental Starting Hazards m CAUTION
48. s e Silva 840 grupo 505 Tel 011 55 21 3433 9055 Laval Quebec Canada H7L 6V3 Fax 450 625 8664 Barra de Tijuca Rio de Janeiro Fax 011 55 21 3433 9055 Contact jmartin multiquip com Contact cnavarro multiquip com br srentes multiquip com br COPYRIGHT 2007 MULTIQUIP INC Multiquip Inc and the MQ logo are registered trademarks of Multiquip Inc and may not be used reproduced or altered without written permission All other trademarks are the property of their respective owners and used with permission This manual MUST accompany the equipment at all times This manual is considered a permanent part of the equipment and should remain with the unit if resold The information and specifications included in this publication were in effect at the time of approval for printing Illustrations are based on the MQ D306HA Diaphragm Pump Illustrations descriptions references and technical data contained in this manual are for guidance only and may not be considered as binding Multiquip Inc reserves the right to discontinue or change specifications design or the information published in this publication at any time without notice and without incurring any obligations Your Local Dealer is VSL MULTIQUIP
49. spark plug gap to 0 6 0 7 mm 0 028 0 031 inch Clean spark plug once a week Muffler Used to reduce noise and emissions Engine components can generate extreme heat To prevent burns DO NOT touch these areas while the engine is running or immediately after operating NEVER operate the engine with the muffler removed 10 Fuel Tank Holds unleaded gasoline For additional information refer to engine owner s manual PAGE 14 MQ D306HA DIAPHRAGM PUMP OPERATION AND PARTS MANUAL REV 3 01 09 07 MQ D306HA PRE INSPECTION ENGINE y CAUTION Read Manual Please read the entire maintenance section in this manual before servicing the pump In addition for operator safety please read all safey messages at the begining of the manual Inspection Figure 5 Engine Oil Dipstick Oil Level 1 Clean the pump removing dirt and dust particularly the engine cooling air inlet carburetor and air cleaner Table 5 Oil Type 2 Checktheairfilterfor dirt and dust If air filter is dirty replace Season Temperature 0 Oil Tvpe air filter with a new one as required P 3 Check carburetor for external dirt and dust Clean with dry 25 or Higher SAE 10W 30 compressed air Spring Fall SAE 10W 30 20 4 Check fastening nuts and bolts for tightness Engine Oil Check 1 Tocheckthe engine oil level place the pump on secure DANGER Explosive Fuel level ground with the engine stopped 2 Remov
50. stricted Place hose so that it lays as straight as it is possible on the ground Remove any twists or sharp bends from hose which may block the flow of water ouction and discharge hoses are available from Multiquip Contact your nearest dealer for more information 5 The discharge hose is usually a collapsible thin walled hose however if a thin walled discharge hose is not avail able a rigid suction hose can be substituted in its place 6 Make sure the suction strainer Figure 2 is clean and securely attached to the water end of the suction hose The strainer is designed to protect the pump by preventing large objects from being pulled into the pump A CAUTION Strainer The strainer should be positioned so it will remain completely under water Running the pump with the strainer above water for long periods can damage the pump CAUTION Flammable Fluids DO NOT pump flammable fluids corrosive chemicals or fluids containing toxic substances These fluids can create potentially dangerous health and environmental hazards Contact local authorities for assistance CAUTION Mechanical Seal This pump uses a water cooled mechanical sealto prevent water from seeping into the engine The passage of water through the pump casing lubricates the seal and prevents it from overheating NEVER operate the pump without water in the casing as this will cause damage to the mechanical seal PAGE 16 MQ D306HA
51. urs of operation will preventthe pump from running dry oo re m se only premium lithium based grease conforming to 4 Place the Pump Vacuum Tester P N 7000030 over NLG1 AA 42 consistency 9 9 the pump suction inlet opening Figure 19 with the vacuum gauge facing upwards It may be necessary to nog pearing Lubrication apply a small amount of water around the rubber sealof 1 Keep interior of pump and valves clean Flush out the vacuum tester to make a good suction fit pump with clear water after operation 5 Check and make sure that there are no air leaks between 2 Remove connecting rod guard occasionally and wipe the vacuum tester and the inlet port on the pump If air up excess grease from connecting rod bearing leaks are present reseat vacuum tester 6 Run the pump for a few minutes while monitoring the vacuum gauge If the gauge indicates a reading between 25 and 20 in Hg inches of mercury then it can be assumed that the pump is working correctly 25 in Hg inches of mercury translates into 25 feet of lift at sea level If the vacuum tester gauge indicates a reading below 20 in Hg itcan then be assumed that the pump is not functioning correctly and corrective action needs to be taken To test the flapper valve shut down the engine The vacuum tester should remain attached to the pump suction inlet port by vacuum This indicates the pump s flapper valve is seating properly to hold water

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