Honda WB20XT Owner'S Manual Download Page 1

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00X31YG36100

Owner ’s Manual

PUMP

WB20XT/WB30XT

POM31V20611 FRC800 Cover.ai 11/2/2011 11:12:53 AM

Summary of Contents for WB20XT

Page 2: ...ect at the time of approval for printing Honda Motor Co Ltd reserves the right however to discontinue or change specifications or design at any time without notice and without incurring any obligation whatever No part of this publication may be reproduced without written permission The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defect...

Page 3: ...tion is intended to help you avoid damage to your water pump other property or the environment We suggest you read the warranty policy to fully understand its coverage and your responsibilities of ownership The warranty policy is a separate document that should have been given to you by your dealer When your water pump needs scheduled maintenance keep in mind that your Honda servicing dealer is sp...

Page 4: ... all the hazards associated with operating or maintaining a water pump You must use your own good judgment You will find important safety information in a variety of forms including on the pump preceded by a safety alert symbol and one of three signal words DANGER WARNING or CAUTION These signal words mean You WILL be KILLED or SERIOUSLY HURT if you don t follow instructions You CAN be KILLED or S...

Page 5: ...Y TO GO 14 Check the General Condition of the Pump 14 Check the Suction and Discharge Hoses 15 Check the Engine 15 SAFE OPERATING PRECAUTIONS 16 PUMP PLACEMENT 17 SUCTION HOSE INSTALLATION 18 DISCHARGE HOSE INSTALLATION 19 PRIMING THE PUMP 20 STARTING THE ENGINE 21 SETTING ENGINE SPEED 23 STOPPING THE ENGINE 24 THE IMPORTANCE OF MAINTENANCE 26 MAINTENANCE SAFETY 27 MAINTENANCE SCHEDULE 28 REFUELIN...

Page 6: ...ESTER SERVICE optional equipment 39 STORAGE PREPARATION 40 Cleaning 40 Fuel 41 Engine Oil 44 STORAGE PRECAUTIONS 44 REMOVAL FROM STORAGE 45 ENGINE 47 Engine Will Not Start 47 Engine Lacks Power 47 PUMP 48 No Pump Output 48 Low Pump Output 48 Serial Number Location 49 Carburetor Modification for High Altitude Operation 50 Emission Control System Information 51 Air Index 53 Specifications 54 DEALER ...

Page 7: ...smoke near gasoline and keep other flames and sparks away Always store gasoline in an approved container Make sure that any spilled fuel has been wiped up before starting the engine Pump only water that is not intended for human consumption Pumping flammable liquids such as gasoline or fuel oils can result in a fire or explosion causing serious injury Pumping sea water beverages acids chemical sol...

Page 8: ...t 3 feet 1 meter away from building walls and other equipment during operation Do not place flammable objects close to the engine Exhaust contains poisonous carbon monoxide a colorless and odorless gas Breathing carbon monoxide can cause loss of consciousness and may lead to death If you run the pump in an area that is confined or even partly enclosed the air you breathe could contain a dangerous ...

Page 9: ... contain important safety information Please read them carefully These labels are considered permanent parts of your pump If a label comes off or becomes hard to read contact an authorized Honda servicing dealer for a replacement 11 08 01 15 04 21 31YG3610_008 ...

Page 10: ...EVER IGNITION SWITCH SUCTION PORT OIL DRAIN PLUG DISCHARGE PORT MUFFLER PUMP DRAIN CAP FUEL FILLER CAP CHOKE LEVER OIL FILLER CAP DIPSTICK STRAINER PRIMING WATER FILLER CAP AIR CLEANER FRAME FUEL VALVE LEVER RECOIL STARTER GRIP 11 08 01 15 04 29 31YG3610_009 ...

Page 11: ...SUCTION PORT OIL DRAIN PLUG DISCHARGE PORT MUFFLER PUMP DRAIN CAP FUEL FILLER CAP CHOKE LEVER OIL FILLER CAP DIPSTICK STRAINER PRIMING WATER FILLER CAP AIR CLEANER FRAME FUEL VALVE LEVER RECOIL STARTER GRIP WB30XT 11 08 01 15 04 35 31YG3610_010 ...

Page 12: ...valve lever in the O F F p o s i t i o n t o p r e v e n t carburetor flooding and to reduce the possibility of fuel leakage The ignition switch controls the ignition system The ignition switch must be in the ON position for the engine to run Turning the ignition switch to the OFF position stops the engine The fuel valve opens and closes the passage between the fuel tank and the carburetor 11 08 0...

Page 13: ...correct fuel mixture for operation after starting and for restarting a warm engine The throttle lever controls engine speed Moving the throttle lever in the directions shown makes the engine run faster or slower Pump output is controlled by adjusting the throttle lever At maximum throttle position the pump will deliver the highest output volume Moving the throttle lever toward the idle position wi...

Page 14: ...12 CONTROLS Recoil Starter Grip RECOIL STARTER GRIP Pulling the recoil starter grip operates the recoil starter to crank the engine 11 08 01 15 05 01 31YG3610_013 ...

Page 15: ...sk of injury Read and understand this manual Know what the controls do and how to operate them Familiarize yourself with the pump and its operation before you begin pumping Know what to do in case of emergencies Be sure of what you are pumping This pump is designed to pump only fresh water that is not intended for human consumption 11 08 01 15 05 08 31YG3610_014 ...

Page 16: ...sly injured Always perform a preoperation inspection before each operation and correct any problem To prevent a possible fire keep the pump at least 3 feet 1 meter away from building walls and other equipment during operation Do not place flammable objects close to the engine Before beginning your preoperation checks be sure the pump is on a level surface and the ignition switch is in the OFF posi...

Page 17: ... Check that the hose connectors and clamps are securely installed see pages and Check that the strainer is in good condition and is installed on the suction hose see page Check the engine oil level see page Running the engine with a low oil level can cause engine damage Check the air filter see page A dirty air filter will restrict air flow to the carburetor reducing engine and pump performance Ch...

Page 18: ...arbon monoxide gas that can collect rapidly in an enclosed area and cause illness or death Pump only fresh water that is not intended for human consumption Pumping flammable liquids such as gasoline or fuel oils can result in a fire or explosion causing serious injury Pumping sea water beverages acids chemical solutions or any other liquid that promotes corrosion can damage the pump Exhaust contai...

Page 19: ...lso significantly affect pump output Discharge head capability is always greater than suction head capability so it is important for suction head to be the shorter part of total head The maximum available suction head will vary based on the operating conditions However the suction head can never exceed 26 feet 8 meters and should always be kept as low as possible Minimizing suction head placing th...

Page 20: ...e smaller than the pump s suction port size The suction hose should be no longer than necessary Pump performance is best when the pump is near the water level and the hoses are short Use a hose clamp to securely fasten the hose connector to the suction hose in order to prevent air leakage and loss of suction Verify that the hose connector sealing washer is in good condition Install the strainer pr...

Page 21: ...uce fluid friction and improve pump output A long or small diameter hose will increase fluid friction and reduce pump output Tighten the hose clamp securely to prevent the discharge hose from disconnecting under pressure Use a commercially available hose and hose connector and clamp provided with the pump if necessary 11 08 01 15 05 59 31YG3610_020 ...

Page 22: ...p has been operated dry stop the engine immediately and allow the pump to cool before priming Driving over a discharge hose while the pump is running or even possibly when the pump is stopped may cause pump case failure If the discharge hose must run across a roadway the hose should cross the roadway perpendicular to traffic flow Also heavy boards should be placed next to the hose so the motor veh...

Page 23: ...e throttle lever away from the SLOW position about 1 3 of the way toward the FAST position To restart a warm engine leave the choke lever in the OPEN position To start a cold engine move the choke lever to the CLOSED position Move the fuel valve lever to the ON position Prime the pump see page 1 2 3 4 20 11 08 01 15 06 17 31YG3610_022 ...

Page 24: ...ion switch to the ON position Pull the recoil starter grip lightly until you fill resistance and then pull briskly Do not allow the recoil starter grip to snap back against the engine Return it gently to prevent damage to the starter 5 6 11 08 01 15 06 24 31YG3610_023 ...

Page 25: ... position as the engine warms up After starting the engine move the throttle lever to the FAST position for self priming and check pump output Pump output is controlled by adjusting engine speed Moving the throttle lever in the FAST direction will increase pump output and moving the throttle lever in the SLOW direction will decrease pump output 7 11 08 01 15 06 31 31YG3610_024 ...

Page 26: ... OF FF F To stop the engine in an emergency simply turn the ignition switch to the OFF position Under normal conditions use the following procedure Move the throttle lever to the SLOW position Turn the ignition switch to the OFF position 1 2 11 08 01 15 06 39 31YG3610_025 ...

Page 27: ...on After use remove the pump drain plug see page and drain the pump chamber Remove the filler cap and flush the pump chamber with clean fresh water Allow the water to drain from the pump chamber and then reinstall the filler cap and drain plug 3 41 11 08 01 15 06 45 31YG3610_026 ...

Page 28: ... include a maintenance schedule routine inspection procedures and simple maintenance procedures using basic hand tools Other service tasks that are more difficult or require special tools are best handled by professionals and are normally performed by a Honda technician or other qualified mechanic The maintenance schedule applies to normal operating conditions If you operate your pump under severe...

Page 29: ...s follow the procedures and precautions in the owner s manual Make sure the engine is off before you begin any maintenance or repairs This will eliminate several potential hazards Be sure there is adequate ventilation whenever you operate the engine Let the engine and exhaust system cool before touching Do not run the engine unless instructed to do so Read the instructions before you begin and mak...

Page 30: ... Clean Clean Check Check Check Check Every 2 years Replace if necessary 2 Each use 1 After every 500 hrs 2 2 2 2 2 2 2 For commercial use log hours of operation to determine proper maintenance intervals Failure to follow this maintenance schedule could result in non warrantable failures These items should be serviced by your Honda servicing dealer unless you have the proper tools and are mechanica...

Page 31: ...e and keep heat sparks and flame away Wipe up spills immediately Handle fuel only outdoors Refuel in a well ventilated area before starting the engine If the engine has been running allow it to cool Refuel carefully to avoid spilling fuel Do not fill the fuel tank completely Fill tank to approximately 1 inch 25 mm below the top of the fuel tank to allow for fuel expansion If may be necessary to lo...

Page 32: ...taining no more than 10 ethanol E10 or 5 methanol by volume In addition methanol must contain cosolvents and corrosion inhibitors Use of fuels with content of ethanol or methanol greater than shown above may cause starting and or performance problems It may also damage metal rubber and plastic parts of the fuel system Engine damage or performance problems that result from using a fuel with percent...

Page 33: ...n Insert and remove the dipstick without screwing it into the filler neck Check the oil level shown on the dipstick If the oil level is low fill to the edge of the oil filler hole with the recommended oil see page Screw in the oil filler cap dipstick securely Running the engine with a low oil level can cause engine damage This type of damage is not covered by the Distributor s Limited Warranty 1 2...

Page 34: ...tely into an approved container then reinstall the drain plug with a new sealing washer and tighten it securely With the engine in a level position fill to the edge of the oil filler hole with the recommended oil see page 0 59 US qt 0 56 L 0 61 US qt 0 58 L Improper disposal of engine oil can be harmful to the environment If you change your own oil please dispose of used motor oil properly Put it ...

Page 35: ...meets or exceeds the requirements for API service category SJ or later or equivalent Always check the API service label on the oil container to be sure it includes the letters SJ or later or equivalent SAE 10W 30 is recommended for general use Other viscosities shown in the chart may be used when the average temperature in your area is within the recommended range 11 08 01 15 07 57 31YG3610_034 ...

Page 36: ...s dirty clean it as described on page Replace the air filter if it is damaged Reinstall the air filter and air cleaner cover Be sure all the parts shown below are in place Tighten the wing nut securely Operating the engine without an air filter or with a damaged air filter will allow dirt to enter the engine causing rapid engine wear This type of damage is not covered by the Distributor s Limited ...

Page 37: ... see page Clean the air filter in warm soapy water rinse and allow to dry thoroughly Or clean in nonflammable solvent and allow to dry Dip the air filter in clean engine oil and then squeeze out all excess oil The engine will smoke when started if too much oil is left in the foam Wipe dirt from the air cleaner base and cover using a moist rag Be careful to prevent dirt from entering the air duct t...

Page 38: ...en handling fuel Stop the engine and keep heat sparks and flame away Handle fuel only outdoors Wipe up spills immediately Place the O ring in the fuel valve and install the sediment cup Tighten the sediment cup securely Move the fuel valve lever to the ON position and check for leaks Replace the O ring if there is any leakage Wash the sediment cup in non flammable solvent and dry it thoroughly 1 2...

Page 39: ...ssary by carefully bending the side electrode The gap should be Inspect the spark plug Replace it if the electrodes are worn or if the insulator is cracked or chipped Incorrect spark plugs can cause engine damage For good performance the spark plug must be properly gapped and free of deposits Remove the spark plug with a 13 16 inch spark plug wrench Disconnect the spark plug cap and remove any dir...

Page 40: ...linder head If installing a new spark plug tighten 1 2 turn after the spark plug seats If reinstalling the used spark plug tighten 1 8 1 4 turn after the spark plug seats After the spark plug seats tighten with a 13 16 inch spark plug wrench to compress the washer Install the spark plug carefully by hand to avoid cross threading 6 7 5 11 08 01 15 08 42 31YG3610_039 ...

Page 41: ...the engine has been running the muffler will be very hot Allow the muffler to cool before servicing the spark arrester Remove the two 8 mm nuts and remove the muffler Remove the four 5 mm self tapping screws and remove the muffler protector from the muffler Remove the 4 mm screw from the spark arrester and remove the spark arrester from the muffler The spark arrester must be free of breaks and hol...

Page 42: ...ust Using a garden hose or pressure washing equipment can force water into the air cleaner or muffler opening Water in the air cleaner will soak the air filter and water that passes through the air filter or muffler can enter the cylinder causing damage Water contacting a hot engine can cause damage If the engine has been running allow it to cool for at least half an hour before washing Wipe dry a...

Page 43: ...lush the pump with clean fresh water Allow the water to drain from the pump chamber and then reinstall the drain plug Stop the engine and allow it to cool The length of time that gasoline can be left in your fuel tank and carburetor without causing functional problems will vary with such factors as gasoline blend your storage temperatures and whether the fuel tank is partially or completely filled...

Page 44: ...during storage If you keep a container of gasoline for refueling be sure that it contains only fresh gasoline If it takes more than 3 months to use the fuel in your storage container we suggest adding a fuel stabilizer to the fuel when you full the container After adding a fuel stabilizer run the engine outdoors for 10 minutes to be sure that treated gasoline has replaced the untreated gasoline in...

Page 45: ... Tighten them securely Remove the carburetor drain bolt and sediment cup and then move the fuel valve lever to the ON position Place an approved gasoline container below the carburetor and use a funnel to avoid spilling fuel Wipe up spills immediately Handle fuel only outdoors Keep heat sparks and flame away Gasoline is highly flammable and explosive You can be burned or seriously injured when han...

Page 46: ...n 5 cc of clean engine oil into the cylinder Remove the spark plug see page Unless all fuel has been drained from the fuel tank leave the fuel valve lever in the OFF position to reduce the possibility of fuel leakage If possible avoid storage areas with high humidity because that promotes rust and corrosion If your pump will be stored with gasoline in the fuel tank and carburetor it is important t...

Page 47: ...re around the pump promoting rust and corrosion Check your pump as described in the BEFORE OPERATION chapter of this manual If the fuel was drained during storage preparation fill the tank with fresh gasoline If you keep a container of gasoline for refueling be sure that it contains only fresh gasoline Gasoline oxidizes and deteriorates over time causing hard starting If the cylinder was coated wi...

Page 48: ...minutes before loading the pump on the transport vehicle A hot engine and exhaust system can burn you and can ignite some materials Keep the pump level when transporting to reduce the possibility of fuel leakage Move the fuel valve lever to the OFF position 11 08 01 15 10 00 31YG3610_047 ...

Page 49: ...d gasoline Throttle lever in slow position Fuel filter clogged carburetor malfunction ignition malfunction valves stuck etc Clean or replace filter p 35 Drain fuel tank and carburetor p 43 Refuel with fresh gasoline p 29 Move throttle to the FAST position Take engine to an authorized Honda servicing dealer or refer to shop manual Move fuel valve lever to ON position Move choke lever to CLOSED posi...

Page 50: ... 17 See page 47 Pump not primed Hose collapsed cut or punctured Strainer not completely underwater Air leak at connector Strainer clogged Excessive head Engine lacks power Replace suction hose p 18 Replace sealing washer if missing or damaged Tighten hose connector and clamp p 18 Clean debris from strainer Replace discharge hose p 19 Relocate pump and or hoses to reduce head p 17 See page 47 Hose ...

Page 51: ...SERIAL NUMBER Record the frame serial number if assigned and the engine serial number in the space below You will need these serial numbers when ordering parts and when making technical or warranty inquiries see page Engine serial number Frame serial number 59 11 08 01 15 10 28 31YG3610_050 ...

Page 52: ...car buretor modification This engine when operated at high altitude with the carburetor modifications for high altitude use will meet each emission standard throughout its useful life Even with carburetor modification engine horsepower will decrease about 3 5 for each 1 000 foot 300 meter increase in altitude The effect of altitude on horsepower will be greater than this if no carburetor modificat...

Page 53: ...tenance of emis sion control systems The following instructions and procedures must be followed in order to keep the emissions from your Honda engine within the emission standards Honda utilizes appropriate air fuel ratios and other emissions control systems to reduce the emissions of carbon monoxide oxides of nitrogen and hydrocarbons Tampering with or altering the emission control system may inc...

Page 54: ...actured to the same standards as the original parts so you can be confident of their performance The use of replacement parts that are not of the original design and quality may impair the effectiveness of your emission control system A manufacturer of an aftermarket part assumes the responsibility that the part will not adversely affect emission performance The manufacturer or rebuilder of the pa...

Page 55: ...ended to provide you with information relating the engine s emission durability period The descriptive term indicates the useful life period for the engine s emission control system See your Emission Control System Warranty for additional information Descriptive Term Moderate Intermediate Extended Applicable to Emissions Durability Period 50 hours 0 80 cm 0 80 cc inclusive 125 hours greater than 8...

Page 56: ...ngth Width Height Dry mass weight Forced air Transistorized magneto Counterclockwise Spark plug gap Idle speed Valve clearance cold Other specifications 1 400 rpm 0 15 0 02 mm 0 20 0 02 mm No other adjustments needed Model Engine type Displacement bore stroke Fuel tank capacity Cooling system Ignition system PTO shaft rotation 0 028 0 031 in 0 70 0 80 mm 0 53 US gal 2 0 L Intake Exhaust See page 3...

Page 57: ... m 26 4 ft 8 m 110 seconds at 16 4 ft 5 m 151 9 US gal 575 L 2 0 in 50 mm 2 0 in 50 mm Suction port diameter Discharge port diameter Total head maximum Suction head maximum Discharge capacity maximum Self priming time per minute 11 08 01 15 11 21 31YG3610_056 ...

Page 58: ...dth Height Dry mass weight Forced air Transistorized magneto Counterclockwise Spark plug gap Idle speed Valve clearance cold Other specifications 1 400 rpm No other adjustments needed Model Engine type Displacement bore stroke Fuel tank capacity Cooling system Ignition system PTO shaft rotation 0 028 0 031 in 0 70 0 80 mm 0 08 0 02 mm 0 10 0 02 mm 0 82 US gal 3 1 L Intake Exhaust See page 37 See s...

Page 59: ...m 26 4 ft 8 m 150 seconds at 16 4 ft 5 m 275 0 US gal 1 041 L 3 1 in 80 mm 3 1 in 80 mm Suction port diameter Discharge port diameter Total head maximum Suction head maximum Discharge capacity maximum Self priming time per minute 11 08 01 15 11 43 31YG3610_058 ...

Page 60: ...ment com and click on Dealer Locator This manual covers complete maintenance and overhaul procedures It is intended to be used by a skilled technician Available through your Honda dealer or through Helm Inc at 1 888 292 5395 or visit www hondapowerequipment com and click on Product Manuals This manual provides complete illustrated parts lists Available through your Honda dealer 11 08 01 15 11 51 3...

Page 61: ... the decision made by the dealership s management contact the Honda Power Equipment Customer Relations Office You can write Or telephone 770 497 6400 M F 8 30 am to 7 00 pm ET American Honda Motor Co Inc Power Equipment Division Customer Relations Office 4900 Marconi Drive Alpharetta Georgia 30005 8847 When you write or call please give us this information Model and serial number see page Name of ...

Page 62: ...l Engine Oil Spark Plug Carburetor Maintenance 0 59 US qt 0 56 L 0 61 US qt 0 58 L Unleaded gasoline with a pump octane rating of 86 or higher page 30 SAE 10W 30 API SJ for general use page 33 Check engine oil level Check air filter Change engine oil Refer to the maintenance schedule on page 28 WB20XT WB30XT NGK page 37 200 150 11 08 01 15 12 06 31YG3610_061 ...

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