Multiquip MQD3H Automobile Parts User Manual
Contents
1. Note Discounts Are Subject To Change XJ Order via Phone Domestic US Dealers Call 1 800 427 1244 ecco porte EE 7 F 2 o RR a 7 Non Dealer Customers ad Multiquip Dealer for International Customers should contact parts or call 800 427 1244 for help in their local Multiquip Representatives for locating a dealer near you Parts Ordering information EE 4 o EE 5 AI When ordering parts please supply Dealer Account Number C Specify Preferred Method of Shipment Dealer Name and Address Y UPS Fed Ex Y DHL Shipping Address if different than billing address Priority One v Truck Return Fax Number Ground Next Day Applicable Model Number WI Second Third Day Quantity Part Number and Description of Each Part NOTICE All orders are treated as Standard Orders and will ship the same day if received prior to 3PM PST WWW MUl WE ACCEPT ALL MAJOR CREDIT CARDS y 0 VIS MULTIQUIP m sss MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 5 w Do not operate or service the equipment before reading the entire manual Safety precautions should be followed at all times when operating this equipment messages and operating instructions could RA result in injury to yourself and others SAFETY MESSAGES about potential hazards that coul2. 14 27 cm 41 5 in 22 In 30 in 6 2 in 6 3 in 105 41 cm 55 88 cm 76 2 cm 15 75 cm 16 cm MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 11 APPLICATION The MQD2H and MQD3H diaphragm pumps are designed to be used for de watering applications The suction and discharge ports on the MQD2Huse a 2 inch diameter opening which allows the pump to pump at rate of approximately 3 000 gallons hour gph or 11 340 liters hour Iph The suction and discharge ports on the MQD3H use a 3 inch diameter opening which allows the pump to pump at rate of approximately 5 400 gallons hour gph or 20 456 liters hour Iph Diaphragm pumps use a positive displacement design rather than centrifugal force to move water 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 These diaphragm pumps are powered by a 4 0 horsepower air cooled 4 stroke single cylinder HONDA GX120 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
3. ADAPTER GASOLINE ENGINE FLANGE SCREW 5 16 18 X 3 4 BOLT 1 2 13 X 1 1 2 BOLT 3 8 16 X 1 1 2 SPLIT LOCKWASHER 1 2 SPLIT LOCKWASHER 3 8 PUMP BASE PLUNGER GUARD KNOB 14 20 OMG SLOTTED SCREW 1 4 20 X 5 16 QTY REMARKS h PD ND DD a d DO NO NO INCLUDES ITEMS W NO LONGER AVAILABLE MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 37 MQD2H HANDLE ENGINE AND WHEEL ASSY HANDLE ENGINE AND WHEEL ASSY 2 INCH PAGE 38 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 MQD2H HANDLE ENGINE AND WHEEL ASSY HANDLE ENGINE AND WHEEL ASSY 2 INCH NO PARTNO PART NAME QTY REMARKS 335411690 1 REPLACES 215200000 2 13178 BOLT 1 2 13 X 2 1 4 2 REPLACES 176601300 8 175900100 3 0447 FLAT WASHER 1 2 2 REPLACES 179800100 amp 179300100 5 335410800 ENGINE MOUNT 1 G BOLT 4 7 163000700 HONDA GX120 ENGINE 1 8H BOLT 4 9 WASHER 4 104 NUT 4 11 173401300 BOLT 1 4 20 X 3 2 12 178900000 SAE WASHER 1 4 2 13 174500200 FLANGE BOLT 5 16 18 X 3 4 4 14 176600000 FLANGE NUT 1 4 20 2 15 178202000 NUT 5 8 18 2 16 335410900 WHEEL BRACKET 2 17 166300000 WHEEL 2 18 179900000 WASHER 5 8 2 19 176900000 BOLT
4. 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 Ignition 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 igni 9 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
5. 4 12349 BEARING 1 S N 2345B AND ABOVE NO Column Unique Symbols All items with same unique symbol O 96 or gt in the number column belong to the same assembly or kit which is indicated by a note in the Remarks column Duplicate Item Numbers Duplicate numbers indicate multiple part numbers which are in effect for the same general item such as different size saw blade guards in use or a part that has been updated on newer versions of the same machine NOTICE When ordering a part that has more than one item number listed check the remarks column for help in determining the proper part to order PART NO Column Numbers Used Part numbers can be indicated by a number a blank entry or TBD TBD To Be Determined is generally used to show a part that has not been assigned a formal part number at the time of publication A blank entry generally indicates that the item is not sold separately or is not sold by Multiquip Other entries will be clarified in the Remarks Column QTY Column Numbers Used Item quantity can be indicated by a number a blank entry or A R A R As Required is generally used for hoses or other parts that are sold in bulk and cut to length A blank entry generally indicates that the item is not sold separately Other entries will be clarified in the Remarks Column REMARKS Column Some of the most common notes found in the Remar
6. 5 8 18 X 4 2 20 335A42090 KIT HARDWARE GASOLINE ENGINE ADAPTER PACK OF 4 WANNA 1 INCLUDES ITEMS W MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 39 MQD3H WATERBOX AND FLAP VALVE ASSY WATERBOX AND FLAP VALVE ASSY 3 INCH SEE PUMP ASSY NOTES TORQUE TO 16 20 FT LBS PAGE 40 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 MQD3H WATERBOX AND FLAP VALVE ASSY WATERBOX AND FLAP VALVE ASSY 3 INCH NO PART NO PART NAME QTY REMARKS 1 212300001 SUCTION PRIMING CHAMBER 1 2 212400000 PRIMING PLUG 1 3 212500000 PRIMIMG PLUG GASKET 1 4 327017000 NPT PIPE NIPPLES PACK OF TWO 1 9 176601300 BOLT 1 2 13 X 1 1 2 4 6 212100000 RETAINER PIN 1 8 X 3 8 2 8 335407090 FLAPPER VALVE ASSY 2 11 212000100 PUMP WELL soi Usa REPLACES P N 212000001 12 213100001 DISCHARGE PLATE 1 13 176601500 CARRIAGE BOLT 1 2 13 x 2 3 14 213300000 DIAPHRAGM RETAINER 1 15 213200000 DIAPHRAGM 1 16 168000000 NPT STRAINER 3 8 HOLES 1 17 178200100 NUT HEX 1 2 13 5 18 176601600 BOLT 1 2 13 X 2 1 4 2 19 179800200 FLAT WASHER 1 2 2 20 179800100 SPLIT LOCKWASHER 1 2 6 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 41 MQD3H PUMP ASSY OLD STYLE PLUNGER ASSY NEW STYLE PLUNGER ASSY NOTES A TORQUE TO 7 8 FT LBS A TORQUE TO 55 60 FT LBS A OLD STYLE PLUNGER ARM I
7. DECAL CAUTION AVOID EQUIPMENT DAMAGE 1 NO LONGER AVAILABLE 7 205901900 DECAL CAUTION AVOID PERSONAL INJURY A NO LONGER AVAILABLE MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 33 MQD2H WATERBOX AND FLAP VALVE ASSY WATERBOX AND FLAP VALVE ASSY 2 INCH SEE PUMP ASSY SEE PUMP ASSY NOTES A TORQUE TO 16 20 FT LBS PAGE 34 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 MQD2H WATERBOX AND FLAP VALVE ASSY WATERBOX AND FLAP VALVE ASSY 2 INCH NO PART NO PART NAME QTY REMARKS 1 336005001 SUCTION PRIMING CHAMBER 1 2 212400000 PRIMING PLUG 1 3 212500000 PRIMIMG PLUG GASKET 1 4 316017000 NPT PIPE NIPPLES PACK OF TWO 1 5 176601300 BOLT 1 2 13 X 1 1 2 4 5 175900100 BOLT 3 8 16 X 1 1 2 4 6 212100000 RETAINER PIN 1 8 X 3 8 2 8 336007090 FLAPPER VALVE ASSY 2 11 336000101 PUMP WELL 1 12 336005201 DISCHARGE PLATE 1 13 176001100 CARRIAGE BOLT 3 8 16 X 2 1 4 3 14 336009200 DIAPHRAGM RETAINER 1 15 336030000 DIAPHRAGM 1 16 C23017000 NPT STRAINER 3 8 HOLES 1 17 178000000 NUT HEX 3 8 16 3 18 176601600 BOLT 1 2 13 X 2 1 4 4 19 179800200 FLAT WASHER 1 2 4 20 179800100 SPLIT LOCKWASHER 1 2 8 20 179300100 SPLIT LOCKWASHER 3 8 8 21 178200100 NUT 1 2 13 4 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 35 MQD2H PUMP ASSY PUMP ASSY 2 INCH AN
8. NUT 1 4 20 2 15 178202000 NUT 5 8 18 2 16 339410900 WHEEL BRACKET 2 17 166300000 WHEEL 2 18 179900000 WASHER 5 8 2 19 176900000 BOLT 5 8 18 X 4 2 20 339442090 KIT HARDWARE GASOLINE ENGINE ADAPTER PACK OF 4 INCLUDES ITEMS W MQD2H SH DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 45 TERMS AND CONDITION OF SALE PARTS PAYMENT TERMS Terms of payment for parts are net 30 days FREIGHT POLICY All parts orders will be shipped collect or prepaid with the charges added to the 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 must be settled between the consignee and the carrier MINIMUM ORDER The minimum charge for orders from Multiquip is 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 subject to the following provisions 1 A Returned Material Authorization must be approved by Multiquip prior to shipment 2 Toobtain a Return Material Authorization a list must be provided to Multiquip Parts Sales that defines item numbers quantities and descriptions of the items to be returned a The parts numbers and descriptions must match the current parts price list b The list must be t
9. Remove the four hex head cap screws hex nuts flat washers and lock washers from the pump base 3 Push pump well downwards Figure 23 to separate from pump base 4 Clean and remove all dirt and debris from pump well 5 Align pump well pump base and diaphragm with each other Once allcomponents have been properly aligned reinstall the four hex head cap screws hex nuts flat and lock washers and tighten securely LOCKWASHER HEX NUT Figure 23 Pump Well Clean out WARNING Lock Screw Torqueing Pump jamming with an over torqued lock screw plunger arm may cause internal damage Under torqueing may allow the output shaft to spin and wear parts prematurely causing replacement PAGE 22 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 Seized Plunger If the plunger arm has seized perform the following 1 Remove plunger guard Figure 24 by removing slotted screw 2 Disassemble pump and clean as described in steps 1 thru 4 in the Stalled Pump section Using a torque wrench torque lock screw Figure 24 to 70 ft lbs 9 6 kg m Figure 24 Lock Screw Torqueing MAINTENANCE Diaphragm Replacement 1 RETAINER Remove plunger cover as shown in step 1 of the Seized Plunger section Remove handle as shown in Figure 6 of the Handle Installation section Rotate pump output shaft until plunger arm is in the down position Remove
10. Starter Assembly 74 75 Gasket Kit Assembly 76 77 LADO rre 78 79 Terms and Condition Of Sale Parts 80 NOTICE Specification and part number are subject to change without notice PAGE 4 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PARTS ORDERING PROCEDURES Ordering parts has never been easier Choose from three easy options Effective January 1 2006 Order via Internet Dealers Only If you have MQ Account to obtain a Username Order parts on line using Multiquip s SmartEquip website and Password E mail us at parts multiquip M View Parts Diagrams POM M Order Parts To obtain an MQ Account contact your gt District Sales Manager for more information li Print Specification Information FS EE ET 7 Goto www multiquip com and click on Use the internet and qualify for a 5 Discount rder Parts rts to log in and save on Standard orders for all orders which include Or a complete part numbers a W OO 1 p Order via Fax Dealers Only Fax your order in and qualify for a 2 Discount All customers are welcome to order parts via Fax on Standard orders tor all orders which include Domestic US Customers dial alas part numbers 1 800 6 PARTS 7 800 672 787 _
11. TORQUE TO 7 8 FT LBS A TORQUE TO 55 60 FT LBS PAGE 36 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PUMP ASSY 2 INCH NO PART NO 336019100 336019000 336009001 180103000 336009401 173800100 176601800 214800000 335409001 335419000 171700200 339419100 339430000 339412100 215700000 339414001 214100000 339412000 214900000 180606400 335419200 335409101 176700200 339410600 178800100 171800400 176700100 335419400 339412200 214800100 335419300 151700100 218100500 339409301 174500200 176601300 175900100 179800100 179300100 336002001 335410300 171601000 171201000 MQD2H PUMP ASSY PART NAME INTERNAL RETAINING RING 1 1 2 PLUNGER BEARING ananasa tie PLUNGER ARM SPACER 5 8 X 1 1 16 CRANK SOCKET SET SCREW 5 16 18 X 1 2 BOLT 1 2 13 X 2 3 4 LOCKNUT 3 4 16 OIL SEAL GEAR BOX OUTPUT HALF OUTPUT BALL BEARING 6307 DOWEL PIN 1 4 X 3 4 INTERMEDIATE BALL BEARING 6304 GASKET IDLER PINION SHAFT WOODRUFF KEY 406 1 8 X 3 4 OUTPUT SHAFT WOODRUFF KEY 1008 5 16 X 1 OUTPUT GEAR INTERNAL SPUR GEAR EXTERNAL RETAINING RING 1 1 8 IDLER BALL BEARING 6302 GEAR BOX INPUT HALF NPT PIPE PLUG 1 4 LIFT BRACKET LOCK WASHER 1 4 BOLT 1 4 20 X 7 8 NPT PIPE PLUG 1 2 INPUT PINION BALL BEARING OPEN 6007 INPUT PINION OIL SEAL INPUT PINION INPUT PINION BALL BEARING SEALED 6007 KEY 3 16 X 3 16 X 1 1 2 O RING 143 BUNA
12. air cleaner case side NEVER brush off dirt Brushing will force dirtinto the fibers Replace the paper filter element if it is excessively dirty 3 Clean foam element in warm soapy water or nonflammable solvent Rinse and dry thoroughly Dip the element in clean engine oil and completely squeeze out the excess oil fromthe element before installing AIR CLEANER WING Figure 28 Engine Air Cleaner MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 25 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 e Completely drain used oil from the engine crankcase and fill with fresh clean oil then follow the procedures described in the engine manual for engine storage O Remove the pump cover and clean inside of pump housing Coat inside of pump housing with a light film of oil to reduce corrosion A spray can of oil works well for this application e Cover suction and discharge ports with duct tape to prevent any foreign matter from falling into pump e Cover pump and engine with plastic covering or equivalent and store in a clean dry place PAGE 26 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 TROUBLESHOOTING TABLE 8 ENGINE TROUBLESHOOTING SYMPTOM POSSIBLE PROBLEM Difficult to start
13. hazardous waste DO NOT pour waste oil or fuel directly onto the ground down a drain or into any water source PAGE 8 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 lt m o MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 9 SPECIFICATIONS Table 1 Specifications Pump MQD2H Diaphragm Pump MQD3H Diaphragm Pump 2 00 in 50 8 mm 3 00 in 76 2 mm Maximum Pumping 3 000 gallons hour 5 400 gallons hour Capacity 11 340 liters hour 20 456 liters hour Max Solids Diameter 1 1 2 in 38 1 mm 1 5 8 in 41 275 mm Max Lift 26 ft 7 92 meters 26 ft 7 92 meters 25 ft 7 62 meters 25 ft 7 62 meters Dry Net Weight 140 lbs 63 Kg 160 lbs 72 Kg Table 2 Specifications Engine Air cooled 4 stroke Single Cylinder OHV Horizontal Shaft Gasoline Engine 0 Bore X Stroke 2 4 in x 1 7 in 60 mm x 42 mm x 1 7 in 5 in Dimension L x W x 11 7 x 13 4 x 12 5 in 297 x 341 x 318 mm Dry Net Weight 28 7 lbs 13 Kg PAGE 10 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 DIMENSIONS Figure 1 MQD2H D3H Pump Dimensions Table 3 Dimensions A B C D E MORE LENGTH HEIGHT WIDTH DISCHARGE SUCTION 39 in 27 53 IN 25 68 in 7 34 In 5 62 99 06 cm 69 93 cm 65 23 cm 18 64 cm
14. level periodically and change oil after every 350 hours of operation Connecting Rod Bearing Lubrication 1 Grease connecting rod bearing Figure 8 every 8 hours of operation This is done by rotating the rod bearing to the 12 o clock position At this point the grease fitting will be visible through the guard hole 2 Use only premium lithium based grease conforming to NLG1 Grade 2 consistency 3 Remove connecting rod guard occasionally and wipe up excess grease from connecting rod bearing PAGE 20 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 MAINTENANCE PLACE VACUUM TESTER OVER PUMP SUCTION PORT ACCEPTABLE READING SHOULD BE BETWEEN 25 AND 20 IN HG PUMP VACUUM TESTER 22 IN HG TRANSLATES INTO 25 FEET OF LIFT AT SEA LEVEL Pressure reading may vary depending on altitude See Tables 4 and 5 Figure 21 Pump Vacuum Tester MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 21 Rotation of Suction and Discharge Ports In some applications it may be preferable to have suction discharge ports rotated 90 Figure 22 to be in line with the pump wheels Perform the following procedure to rotate ports 1 Remove the four hex head cap screws hex nuts flat washers and lock washers from the pump base 2 Push pump well downwards to separate from pump base 3 Rotate pump well 90 clockwise so that driver is posi
15. or incidental damages 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 manufactured by Multiquip Such warranties made in connection with the sale of new complete units are made exclusively by a statement of warranty packaged with such units and Multiquip neither assumes nor authorizes any person to assume for it any other obligation or liability whatever in connection with the sale of its products Apart from such written statement of warranty there are no warranties express implied or statutory which extend beyond the description of the products on the face hereof Effective February 22 2006 PAGE 46 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 lt m o MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 47 OPERATION AND PARTS MANUAL UNITED STATES Multiquip Corporate Office 18910 Wilmington Ave Carson CA 90746 Contact mqQ multiquip com Service Department 800 421 1244 310 537 3700 Technical Assistance 800 478 1244 MEXICO MO Cipsa HERE S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HAND WHEN CALLING Tel 800 421 1244 Fax 800 537 3927 Fax 310 537 4259 Fax 310 943 2238 MO Parts Department 800 427 1244 Fax 800 672 7877 31
16. the four hex head cap screws hex nuts flat washers and lock washers from the pump base Push pump well downwards to separate from pump base Remove the three carriage bolts Figure 25 that secure the diaphragm to the plunger arm base Remove diaphragm Replace diaphragm reassemble in reverse order CARRIAGE Figure 25 Diaphragm Replacement MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 23 MAINTENANCE Engine Maintenance Perform engine maintenance procedures as relerenced by Table 7 below Table 7 Engine Maintenance Schedule EVERY YEAR DESCRIPTION 3 OPERATION BEFORE OR Engine Oil Air Cleaner X X All Nuts 8 Bolts 18419161 Necessary CHECK CLEAN Spark Plug REPLACE ETT Dear oes 1 Service more frequently when used in DUSTY areas 2 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 24 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 Maintenance Performthe engine maintenance procedures as indicated below DAILY M Thoroughly remove dirt and oil from the engine and control area Clean o
17. to water as possible on afirm flat level surface AX WARNING Fill Cap DO NOT open fill cap if pump is hot Water inside may be under pressure Hoses and Clamps 1 Check that all hoses are securely attached to the pump Make certain suction hose Figure 2 does not have any air leakage Use teflon tape or pipe dope on NPT threads 2 Remember suction hoses must be rigid enough not to collapse when the pump is in operation 3 Check that the discharge hose Figure 2 is not restricted 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 Suction and discharge hoses are available from Multiquip Contact your nearest dealer for more information 4 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 5 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 CAUTION Transmission Fluid Transmission fluid needs to be added prior to operation PAGE 16 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 SETUP A CAUTION Strainer The strainer should be positioned so it will remain completely
18. 0 537 3700 Fax 310 637 3284 Warranty Department 800 421 1244 Fax 310 943 2249 310 537 3700 UNITED KINGDOM Multiquip UK Limited Head Office Carr Fed Mexico Puebla KM 126 5 Momoxpan Cholula Puebla 72760 Mexico Contact pmastretta O cipsa com mx Tel 52 222 225 9900 Fax 52 222 285 0420 Tel 0161 339 2223 Fax 0161 339 3226 Unit 2 Northpoint Industrial Estate Globe Lane Dukinfield Cheshire SK16 4UJ Contact sales O multiquip co uk CANADA Multiquip 4110 Industriel Boul Laval Quebec Canada H7L 6V3 Contact martin multiquip com Tel 450 625 2244 Tel 877 963 441 1 Fax 450 625 8664 COPYRIGHT 2012 MULTIQUIP INC Multiquip Inc 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 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 ti
19. EARING OPEN 6007 INPUT PINION OIL SEAL INPUT PINION INPUT PINION BALL BEARING SEALED 6007 KEY 3 16 X 3 16 X 1 1 2 O RING 143 BUNA ADAPTER GASOLINE ENGINE FLANGE SCREW 5 16 18 X 3 4 BOLT 1 2 13 X 1 1 2 SPLIT LOCKWASHER 1 2 PUMP BASE PLUNGER GUARD KNOB 14 20 9 W SLOTTED SCREW 1 4 20 X 5 16 RETAINER RING samene QTY REMARKS wa 6 NO aon BR DO NO DO HS O DO dt OLD STYLE PLUNGER OLD STYLE PLUNGER NO LONGER AVAILABLE NEW STYLE PLUNGER REPLACES P N 213800000 NO LONGER AVAILABLE NEW STYLE PLUNGER MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 43 MQD3H HANDLE ENGINE AND WHEEL ASSY HANDLE ENGINE AND WHEEL ASSY 3 INCH PAGE 44 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 MQD3H HANDLE ENGINE AND WHEEL ASSY HANDLE ENGINE AND WHEEL ASSY 3 INCH NO PART NO PART NAME QTY REMARKS 1 33541 1690 HANDRE uuu o EEE A qon REPLACES 215200000 2 13178 BOLT 12 15X 22 EN REPLAGES 176601600 3 0447 FLA WASHER T2 oa REPLACES 179800200 5 335410800 ENGINE MOUNT 1 GH BOLT 4 7 163000700 HONDA GX120 ENGINE 1 8 BOLT 4 Off WASHER 4 10 NUT 4 11 173401300 BOLT 1 4 20 X 3 2 12 178900000 SAE WASHER 1 4 2 13 174500200 FLANGE BOLT 5 16 18 X 3 4 4 14 176600000 FLANGE
20. H8003 ROPE STARTER e 336030000 DIAPHRAGM 2 INCH danses 213200000 DIAPHRAGM 3 INCH ER 336007090 FLAP VALVE 2 INCH te 335407090 FLAP VALVE 3 INCH Leer 212400000 PLUG 2 amp 3 INCH FILL im 212500000 PRIMING PLUG GASKET 2 amp 3 INCH ladna C23017000 STRAINER 2 INCH i 168000000 STRAINER 3 INCH Part number on this Suggested Spare Parts List may super cede replace the P N shown in the text pages of this book SUGGESTED SPARE PARTS MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 31 NAME PLATE AND DECALS ASSY NAMEPLATE AND DECALS ASSY MULTIQUIP GREASE 7 CONNECTING ROD BEARING MONTHLY KEEP power shields and guards in place Garder tous les ecrans et gardes de securite en place Mantenga las defensas y las protecciones de la energia en su lugar NOTES ITEMS 5 6 AND 7 NO LONGER AVAILABLE REPLACED BY ITEM 4 PAGE 32 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 NAME PLATE AND DECALS ASSY NAMEPLATE AND DECALS ASSY NO PART NO PART NAME QTY REMARKS 1 DCL1261 DECAL GREASE MONTHLY 1 2 912910 DECAL MQ LOGO 1 3 DECAL NAMEPLATE rn Ds CONTACT MQ PARTS DEPT 4 335925190 DECAL CAUTION KIT 1 5 205901900 DECAL CAUTION KEEP GUARDS IN PLACE L ner NO LONGER AVAILABLE 6 205901900
21. OPERATION AND PARTS MANUAL Ad MULTIQUIP MODELS MQD2H MQD3H DIAPHRAGM PUMPS Honda GX120UT1QX2 Gasoline Engine Revision 7 05 24 13 THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES 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 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 lt O m o MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 3 MQD2H D3H Gasoline Powered Diaphragm Pumps Proposition 65 Warning 2 Table of Contents 4 Parts Ordering Procedures 9 Safety Information 6 9 SE uuu namn E 10 DIMENSIONS RET TO 11 General Information 12 COMPONE 13 BASIC ENGINE OO 14 MSEC 0 lio oO 15 S A 16 17 Operation essen 18 19 MAMIONA CE u 20 25 Preparation for Long Term Storage 26 THOUDICSHOOWNG 27 29 Explanation Of Code In Remarks Column 30 Suggested Spare 31 Com
22. TEM 3 NO LONGER AVAILABLE IF REPLACEMENT IS REQUIRED ORDER NEW STYLE PLUNGER ASSY PARTS PAGE 42 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PUMP ASSY 3 INCH NO N PART NO 170400200 213600000 213400001 213800090 214000001 173800100 176601800 178401000 214800000 335409001 335419000 171700200 335419100 335430000 335412100 215 00000 335414000 214100000 335412000 214900000 180606400 335419200 335409101 176700200 335410600 178800100 171800400 176700100 335419400 335412200 214800100 335419300 151700100 218100500 335409301 174500200 176601300 179800100 335400101 335410300 171601000 171201000 335019000 MQD3H PUMP ASSY PART NAME FLAT HD MACH SCHREW 10 32 X 1 2 BEARING RETAINER EO UN E IA naa PLUNGERARM PEUNCERPEANINO uuu uu u CRANK SOCKET SET SCREW 5 16 18 X 1 2 BOLT 1 2 13 X 2 3 4 LOCKNUT 3 4 16 OIL SEAL GEAR BOX OUTPUT HALF OUTPUT BALL BEARING 6307 DOWEL PIN 1 4 X 3 4 INTERMEDIATE BALL BEARING 6304 GASKET IDLER PINION SHAFT WOODRUFF KEY 406 1 8 X 3 4 OUTPUT SHAFT WOODRUFF KEY 1008 5 16 X 1 OUTPUT GEAR INTERNAL SPUR GEAR EXTERNAL RETAINING RING 1 1 8 IDLER BALL BEARING 6302 GEAR BOX INPUT HALF NPT PIPE PLUG 1 4 LIFT BRACKET LOCK WASHER 1 4 BOLT 1 4 20 X 7 8 NPT PIPE PLUG 1 2 INPUT PINION BALL B
23. URS OF OPERATION Figure 8 Connecting Rod Bearing Lubrication Helpful Hints The capacity ofthis diaphragm pump will vary greatly depending on the height of the suction lift and length of the discharge hose A discharge hose which is too small long or high will cause the following M Excessive bulging of diaphragm on the down stroke M Valves closing with a loud snap Rough operation M Engine overloads and slow downs Reduced efficiency MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 17 OPERATION CHOKE LEVER Ah CAUTION Read Manual DO NOT attempt to operate the pump until the Safety General Information and Inspection sections of this manual have been read and thoroughly understood NEVER operate the pump in a confined 252495 CLOSED area or enclosed area structure that does Figure 11 Engine Choke Lever CLOSED not provide ample free flow of air i 4 Place the choke lever Figure 12 inthe OPEN position if starting a warm engine or the temperature is warm ALWAYS wear approved eye and hearing protection before operating the pump CHOKE This section is intended to assist the operator with the initial start up of the trash 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 Figure 12 Engine Choke Lever Open 1 Place the engine fuel
24. any large objects dirt or debris from the strainer to prevent clogging m ALWAYS use a large basket strainer when pumping water that contains large debris SAFETY INFORMATION m ALWAYS flush pump clean after use when pumping water concentrated with heavy debris It is very important to always flush the pump before turning it off to prevent clogging E Fix damage to machine and replace any broken parts immediately m 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 and unauthorized personnel m NEVER lubricate components or attempt service on a running machine ALWAYS allow the machine a proper amount of time to cool before servicing Keep machine in proper running condition LIFTING SAFETY m When raising or lowering of the pump is required always attach an adequate rope or lifting device to the correct lifting point handle on the pump DO NOT lift machine to unnecessary heights NEVER lift the equipment while the engine is running TRANSPORTING SAFETY NOTICE i ALWAYS shutdown pump before transporting m ALWAYS tie down equipment during transport by securing the equipment with rope ENVIRONMENTAL SAFETY NOTICE Dispose of hazardous waste properly Examples of potentially hazardous waste T 7 are used motor oil fuel and fuel filters DO NOT use food or plastic containers to dispose of
25. case of an emergency MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 7 PUMP SAFETY DANGER NEVER operate the equipment in an explosive atmosphere or near combustible materials An explosion or fire could result causing severe Wy bodily harm or even death m Accidental starting can cause severe injury Da or death ALWAYS place the ON OFF switch in the OFF position m DO NOT place hands or fingers inside iz pump when pump is running M NEVER disconnect any emergency or A safety devices These devices are intended for operator safety Disconnection of these devices can cause severe injury bodily harm or even death Disconnection of any of these devices will void all warranties DO NOT restrict the flow of the discharge hose as it may cause overheating m Be careful of discharge whipping under pressure NEVER operate pump on its side DO NOT allow up to freeze in water NEVER leave an open pump chamber unattended m ALWAYS keep the machine in proper running condition DO NOT attempt to thaw out a frozen pump by using a torch or other source of flame Application of heat in this manner may heat the oil in the seal cavity above the critical point causing pump damage m DO NOT pump water greater than 104 F m DO NOT pump liquids containing acid or alkali m ALWAYS check strainer before pumping Make sure strainer is not clogged Remove
26. d injure you or others The safety messages specifically address the level of exposure to the operator and are preceded by one of four words SAFETY SYMBOLS 4 DANGER Indicates a hazardous situation which if not avoided Failure to read and understand the safety The four safety messages shown below will inform you DANGER WARNING CAUTION or NOTICE WILL result in DEATH or SERIOUS INJURY Indicates a hazardous situation which if not avoided COULD result in DEATH or SERIOUS INJURY Indicates a hazardous situation which if not avoided COULD result in MINOR or MODERATE INJURY NOTICE Addresses practices not related to personal injury SAFETY INFORMATION Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which may appear throughout this manual in conjunction with Safety messages Safety Hazard Lethal exhaust gas hazards Explosive fuel hazards Burn hazards Respiratory hazards Accidental starting hazards Eye and hearing hazards Pressure hazards PAGE 6 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 GENERAL SAFETY m NEVER operate this equipment without proper protective clothing shatterproof glasses respiratory protection hearing protection steel toed boots and other protective devices required by the job or city and state regulations 0000 m Avoid wearing jewelry or loose fitting clothes that may snag o
27. d 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 If the 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 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 15 SETUP Handle Installation AX CAUTION Handle Mounting Failure to follow instructions and properly install handle mounting screws with washers and torque mounting screws will result in damage or premature failure to gearbox base or other pump components The MQD2H D3H diaphragm pumps are completely assembled except for the steering handle Attach the steering handle to the pump base as referenced below 1 Remove the two front 1 2 13 hex screws fastening gearbox mounting feet to base as shown in Figure 6 2 Place handle onto gearbox mounting feet Align handle mounting holes with front holes on gearbox feet 3 Install 1 2 flat washers onto 1 2 13 X 2 1 4 hex screws 4 Insert hex screws through handle and gearbox foot into tapped holes of base 5 Hand tighten both hex screws Figure 6 Handle Installation Before Starting 1 Read safety instructions at the beginning of manual 2 Place pump as near
28. diaphragm at a rate of 60 cycles per minute at maximum engine RPM 2 750 Oil Alert Feature In the event of low oilor no oil the HONDA GX120 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 checked for tightness and leaks A small suction leak in the hose or fittings could prevent the pump from priming GENERAL INFORMATION 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 le
29. e sender at his expense 9 Credit on returned parts will be issued at dealer net price at time of the original purchase less a 15 restocking charge 10 In cases where an item is accepted for which the original purchase document can not be determined the price will be based on the list price that was effective twelve months prior to the RMA date 11 Credit issued will be applied to future purchases only PRICING AND REBATES Prices are subject to change without prior notice Price changes are effective on a specific date and all orders received on or after that date will be billed at the revised price Rebates for price declines and added charges for price increases will not be made for stock on hand at the time of any price change Multiquip reserves the right to quote and sell direct to Government agencies and to Original Equipment Manufacturer accounts who use our products as integral parts of their own products SPECIAL EXPEDITING SERVICE A 35 00 surcharge will be added to the invoice for special handling including bus shipments insured parcel post or in cases where Multiquip must personally deliver the parts to the carrier LIMITATIONS OF SELLER S LIABILITY Multiquip shall not be liable hereunder for damages in excess of the purchase price of the 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
30. ge Hose Connect a flexible rubber hose to the discharge port on the pump Make sure that the hose lays flat and is not kinked Use only recommended type discharge hose Contact Multiquip parts department for ordering information connecting rod bearing through this access hole Grease connecting rod bearing every 25 hours of operation MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 13 Figure 3 Engine Controls and Components INITIAL SERVICING The engine Figure 3 must be checked for proper lubrication and filled with fuel priorto operation Refertothe Honda manufacturers engine manual for 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 4 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 15 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 resi
31. 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 Replace spark plug with correct type spark plug MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 27 TROUBLESHOOTING TABLE 8 ENGINE TROUBLESHOOTING Continued Governor adjustment improper Governor spring defective Rotational speed fluctuates Fuel flow erratic Air taken in through suction Check suction line line 3 Recoil starter not working Dust in rotating part Clean recoil starter assembly POZEW Spring spring failure Replace sprial spring Table 9 Pump Troubleshooting Not enough priming water in the housing Suction hose damaged Pump does not take on water Air leak at suction port Check that fittings are tight and properly sealed Pump is located too high above water line Move pump closer to water Debris collecting in pump housing Clean pump housing Check that valves are seated correctly Pour water in Valves not seated correc
32. ks Column are listed below Other additional notes needed to describe the item can also be shown Assembly Kit All items on the parts list with the same unique symbol will be included when this item is purchased Indicated by INCLUDES ITEMS W unique symbol Serial Number Break Used to list an effective serial number range where a particular part is used Indicated by SIN XXXXX AND BELOW SIN XXXX AND ABOVE SIN XXXX TO S N XXX Specific Model Number Use Indicates that the part is used only with the specific model number or model number variant listed It can also be used to show a part is NOT used on a specific model or model number variant Indicated by ONLY NOT USED ON XXXX Make Obtain Locally Indicates that the part can be purchased at any hardware shop or made out of available items Examples include battery cables shims and certain washers and nuts Not Sold Separately Indicates that an item cannot be purchased as a separate item and is either part of an assembly kit that can be purchased or is not available for sale through Multiquip PAGE 30 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 MQD2H D3H DIAPHRAGM PUMP 1TO3UNITS WITH HONDA GX120UT1QX2 ENGINE Qty P N Description 17210ZE0822 ELEMENT AIR CLEANER DUAL AA 9807955876 SPARK PLUG 17620707813 CAP FUEL WITH GASKET t 28462Z
33. lication 5 MG 4 s c 4 EE 000 5 SOOO STRAINER Pump The Multiquip Models MQD2H andMQD3Hare 6 Suction Port Connect either a 2 inch or 3 inch inlet 2 inch and 3 inch diaphragm pumps respectively and are hose to this port depending on pump model used in general de watering applications Typical 7 Suction Hose Connect a flexible rubber hose to the dewatering applications consist of cleaning out cesspools suction port on the pump Make sure that the hose lays flat and septic tanks draining slow seepage from small andis not kinked Use only recommended type suction hose 2 and construction sites or pumping Contact Multiquip parts department for ordering information ut industrial waste e 8 Strainer Always attach a strainer to bottom side of the Priming Plug Suction Priming Chamber To help suction hose to prevent large objects and debris from facilitate faster priming operations fill chamber with clean entering the pump Strainer should be positioned so that it water and secure priming plug will remain completely under water Discharge Port Connect either a 2 inch or 3 inch 9 Transmission Oil Fill Plug Remove this plug to add EROS eset ch pur ACCION SAE 80 90 EP API GL 5 gear oil to the transmission NPT Connection Used to secure the hose to the inlet Transmission oil capacity is 22 ounces 651 ml and outlet ports on the pump 10 Connecting Rod Grease Access Hole Grease Dischar
34. me without notice and without incurring any obligations Your Local Dealer Is 3 MULTIQUIP
35. n the controls or moving parts as this can cause serious injury NEVER operate this equipment when not feeling well due to fatigue illness or when under medication NEVER operate this equipment under the influence of drugs or alcohol m ALWAYS clear the work area of any debris tools etc that would constitute a hazard while the equipment is in operation E No one other than the operator is to be in the working area when the equipment is in operation DO NOT use the equipment for any purpose other than its intended purposes or applications SAFETY INFORMATION NOTICE m his equipment should only be operated by trained and qualified personnel 18 years of age and older m Whenever necessary replace nameplate operation and safety decals when they become difficult read m Manufacturer does not assume responsibility for any accident due to equipment modifications Unauthorized equipment modification will void all warranties M NEVER use accessories or attachments that are not recommended by Multiquip for this equipment Damage to the equipment and or injury to user may result ALWAYS know the location of the nearest 0 fire extinguisher B ALWAYS know the location of the nearest first aid kit 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
36. ng of the manual LOWER LIMIT 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 6 Oil Type 2 Check the air filter for dirt and dust If air filter is dirty replace Season Temperature air filter with a new one as required 3 Check carburetor for external dirt and dust Clean with dry SAE 10W 30 compressed air Spring Fall 25 0 100 SAE 10W 30 20 4 Check fastening nuts and bolts for tightness Engine Oil Check la 2 Remove the filler dipstick from the engine oil filler hole 3 To check the engine oil level place the pump on secure 4 DANGER Explosive Fuel level ground with the engine stopped 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 Figure 4 and wipe clean stopped and has had an opportunity to cool down DO NOT attempt to refuel the pump ifthe 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 Figure 4 Engine Dipstick Removal 1 Remove the gasoline cap located on top of fuel tank Visually inspect to see if the fuel level is low If fuel is low Insertan
37. ponent Drawings Nameplate and Decals Assy 32 33 Waterbox and Flap Valve Assy 2 inch 34 35 Pump Assy 2 inch 36 37 Handle Engine and Wheel Assy 2 inch 38 39 Waterbox and Flat Valve Assy 3 inch 40 41 Pump Assy 3 inch 42 43 Handle Engine and Wheel Assy 3 inch 44 45 TABLE OF CONTENTS HONDA GX1 20UT1QX2 Engine Air Cleaner 46 47 Camshaft Assembly 48 49 Carburetor Assembly 50 51 Control Assembly 52 53 Crankcase Cover Assembly 54 55 Crankshaft Assembly 56 57 Cylinder Barrel Assembly 58 59 Cylinder Head Assembly 60 61 Fan Cover 62 63 Flywheel Assembly 64 65 Fuel Tank Assembly 66 67 Ignition Coil Assembly 68 69 Muffler Assembly 70 71 Piston Assembly 72 73 Recoil
38. r 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 M Remove or clean the filter at the bottom of the tank Remove and clean the spark plug Figure 26 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 0 7 0 8 MM Figure 26 Spark Plug Gap ENGINE OIL 1 Drain the engine oil when the oil is warm as shown in Figure 27 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 capacity is 63 quarts 60 liters DO NOT overfill 4 Install drain bolt with sealing washer and tighten se curely DRAIN SEALING BOLT WASHER Figure 27 Engine Oil Draining MAINTENANCE AX DANGER Combustion Fire Explosion DO NOT use gasoline as a cleaning solvent The possibility exists of fire or explosion ENGINE AIRCLEANER 1 Remove the aircleaner cover and foam filter element as shown in Figure 28 2 Tap the paper filter element Figure 28 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 element from the
39. sociate with a lose component 9 To begin pumping place the throttle lever Figure 16 in the RUN position Figure 18 Engine ON OFF Switch OFF 3 Place the fuel shut off lever Figure 19 in the OFF position THROTTLE LEVER Figure 16 Throttle Lever Run Figure 19 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 pinute to about 40 strokes per minute for lesser volume seepage Smoothest operation can be determined by trying to pump at several speeds Limit maximum speed to 65 strokes per minute of the diaphragm 2 800 RPM engine speed MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 19 Pump Vacuum Test To perform the pump vacuum test do the following 1 Startthe engine as outlined in the initial start up section and wait for the pump to begin pumping 2 Check and make sure that there are no air leaks between the vacuum tester Figure 21 and the inlet port on the pump If air leaks are present reseat vacuum tester 3 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 4 If the vac
40. stance is felt then pull briskly and smoothly 5 Fuel Valve Lever OPEN to let fuel flow CLOSE to stop the flow of fuel BASIC ENGINE 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 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 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 INSPECTION UPPER LIMIT CAUTION Read Manual Please read the entire maintenance section in this manual before servicing the pump In OE eS ma um od sh LE AAA addition for operator safety please read all safey messages at the begini
41. tioned over top of discharge plate 4 Align pump well pump base and diaphragm with each other Once all components have been properly aligned reinstall the four hex head cap screws hex nuts flat and lock washers and tighten secu lt VIDE Figure 22 Suction Discharge Port Rotation Clearing a Jam Up If large solids or an accumulation of sand silt or other sediment gather and become lodged in the pump well the plunger arm may be prevented from making a normal full stroke This action may cause the pump to stall the crank to slip on the output shaft and ultimately cause damage to the plunger arm Similarly large damaging solids and debris may build in the pump well and if not removed may cause extreme damage to the plunger arm and pump casing If a jam or suspected debris build up occurs the pump must be thoroughly cleaned as described in the Stalled Stopped Damaging Debris section MAINTENANCE A CAUTION Stalled or Stopped Pump During the course of pumping operations that include heavy debris laden fluids the pump well MUST be checked for build up of rocks silt sand and general de bris Failure to clean out the pump cavity well could result in damage to the plunger arm and pump casing Stalled Stopped Damaging Debris If Pump has stalled stopped or has been engaged in moving heavy debris laden fluids perform the following procedures 1 Remove handle from pump See Figure 6 2
42. tly 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 Teflon Tape Pipe Dope not used Apply teflon tape or pipe dope to NPT fittings Suction hose leaks at inlet Hose diameter is too large Use same diameter on suction discharge ports Discharge hose does not stay on Pressure too high Check pressure add additional clamp coupling Hose kinked or end blocked Check hose PAGE 28 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 TROUBLESHOOTING TABLE 9 PUMP TROUBLESHOOTING Continued MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 PAGE 29 EXPLANATION OF CODE IN REMARKS COLUMN The following section explains the different symbols and remarks used in the Parts section of this manual Use the help numbers found on the back page of the manual if there are any questions NOTICE The contents and part numbers listed in the parts section are subject to change without notice Multiquip does not guarantee the availability of the parts listed SAMPLE PARTS LIST PARTNO PART REMARKS 1 12345 BOLT 1 INCLUDES ITEMS W 2 WASHER 1 4 IN NOT SOLD SEPARATELY 2 12347 WASHER 3 8 IN 1 MQ 45T ONLY 3 12348 HOSE AR MAKE LOCALLY
43. 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 Gear Reduction Oil Transmission 1 Remove the transmission oil level plug Figure 7 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 Ifoil 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 API GL 5 gear oil to the proper operating level Transmission oil capacity is capacity is 22 ounces 651 ml TRANSMISSION OIL FILL PLUG cco FILL WITH SAE 80 90 EP GEAR OIL Figure 7 Transmission Oil Level Diaphragm pumps will handle fluids containing considerable solids see Table 1 for maximum solids diameter however ifthe mixture is too heavy to be pumped water must be added until the mixture becomes sufficently fluid for pumping Connecting Rod Bearing Lubrication 1 Grease connecting rod bearing thru the access hole Figure 8 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 HO
44. uum tester gauge indicates a reading below 20 in Hg it can then be assumed that the pump is not functioning correctly and corrective action needs to be taken 5 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 in the suction hose when the engine is stopped This prevents backilow and allows for faster priming when the engine is restarted 22 in Hg inches of mercury translates into 25 feet of lift at sea level MAINTENANCE Flapper Valve Replacement 1 Remove the two bolts that secure the suction port chamber Figure 20 to the pump well Remove suction port chamber Replace valves as required and reassemble BOLT DISCHARGE ISSN WD RETAINER WASHER zna SUCTION PORT CHAMBER FLAPPER VALVES Figure 20 Flapper Valve Replacement 2 Remove the two bolts that secure the discharge port Figure 20 to the pump well Remove discharge plate Replace valves as required and reassemble Gear Reduction Oil Transmission 1 Check gearbox oil level every 20 hours of operation or at least once a week more often if any leakage 15 detected around the gearbox 2 Change transmission oil after the first 40 hours of operation Use SAE 80 90 EP API GL 5 gear oil Transmission oil capacity is 22 ounces 651 ml Check oil
45. valve lever Figure 9 to the ON position 5 Placethe engine ON OFF switch Figure 13 in the position ENGINE SWITCH Figure 9 Engine Fuel Valve Leve 2 Move the throttle lever Figure 10 away from the slow 70 position about 1 3 of the way toward the fast position Figure 13 Engine ON OFF Switch ON Position 6 Grasp the starter grip Figure 14 and slowly pull it out The resistance becomes the hardest ata certain position corre sponding tothe compression point Pull the starter grip briskly and smoothly for starting STARTER GRIP THROTTLE LEVER A Oe QI Figure 10 Throttle Lever 1 3 Start Position AN EO SAR tu R 3 Placethe chokelever Figure 11 inthe CLOSED position if starting a cold engine Figure 14 Starter Grip PAGE 18 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 OPERATION 7 If the engine has started slowly return the choke lever Stopping The Engine Figure 15 to the OPEN position If the engine has not Normal Shutdown started repeat steps 1 through 6 1 Movethethrottle lever tothe IDLE position Figure 17 and run the engine for three minutes at low speed THROTTLE LEVER 2 Aftertheengine cools turnthe engine ON OFF switchto the OFF position Figure 18 Figure 15 Choke Lever Open ENGINE SWITCH 8 Before the pump is placed into operation run the engine for OFF several minutes Checkfor fuelleaks and noisesthatwould as
46. vel Table 3 shows suction lift at varlous elevations Table 4 Suction Lift at Various Elevations Altitude Feet Meters 2 000 610 8 80 Suction Lift in Feet Meters 22 0 6 705 19 5 5 943 17 3 5 273 15 0 4 572 13 2 4 023 11 7 3 566 2 680 7 80 2 377 6 000 1 829 6 90 2 103 10 4 3 169 8 000 2 488 6 20 1 889 9 30 2 834 12 4 3 779 15 5 4 724 8 60 2 621 14 3 4 358 Table 4 shows percentage drops in performance as elevation increases Table 5 Performance Loss at Various Elevations Altitude Feet Meters Discharge Flow Discharge Head 12 MQD2H 3H DIAPHRAGM PUMPS OPERATION AND PARTS MANUAL REV 7 05 24 13 COMPONENTS Figure 2 shows a typical application using the MQD2H or MQD3H 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 for the MQD2H should not exceed 1 1 2 inches 38 1 mm in diameter and maximum size of solids for the MQD3H should not exceed 1 5 8 inches 41 275 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 9 Contact your nearest Multiquip dealer for quick disconnect hoses E 2 and fittings ES ote Y MULTIQUIP EG AR Figure 2 MQ D2H D3H Pump App
47. yped 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 of the person requesting the RMA Return Material Authorization must accompany the return shipment 4 Freight is at the senders expense All parts must be returned freight prepaid to Multiquip s designated receiving point 5 Parts must be in new and resalable condition in the original Multiquip package if any and with Multiquip part numbers clearly marked 6 The following items are not returnable a Obsolete parts If an item is in the price book and shows as being replaced by another item it is obsolete b Any parts with a limited shelf life such as gaskets seals O rings and other rubber parts that were purchased more than six months prior to the return date c Any line item with an extended dealer net price of less than 5 00 d Special order items e Electrical components f Paint chemicals and lubricants g Decals and paper products h ltems purchased in kits 7 The sender will be notified of any material received that is not acceptable 8 Such material will be held for five working days from notification pending instructions If a reply is not received within five days the material will be returned to th
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