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OWNER’S MANUAL
WMP20X
MULTI-PURPOSE PUMP
Before operating the pump for the first time, please read this
Owner’s Manual. Even if you have operated other pumps, take
time to become familiar with how this pump works.
QUICK FIND
Air Filter.................................................. 11 Fuel ..........................................................7 Oil Level Check.........................................7
Approved Liquids ..................................... 6 Fuel System Maintenance....
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WARNING WELCOME The engine exhaust from this product contains chemicals known to the State of California to cause Congratulations on your selection of a Honda multi-purpose pump! cancer, birth defects, or reproductive harm. We are certain you will be pleased with your purchase of one of the finest pumps on the market. We want to help you get the best results from your new pump and to operate it safely. This manual contains Important Message to Employers information on how to do that; p
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Safety Label Locations PARTS AND CONTROLS These labels warn you of potential hazards that can cause serious injury. Read them carefully. If a label comes off or becomes hard to read, contact an authorized Honda servicing dealer for a replacement. PRIMING THROTTLE FILLER CAP (P. 5) LEVER (P. 9) CHOKE LEVER CAUTION (P. 9) HOT MUFFLER CAN BURN YOU. To avoid death or Stay away if engine serious injury, has been running. read owner’s manual before operation. FUEL VALVE (P. 9) FUEL FILLER CAP (P.
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Assembly INITIAL PUMP SETUP 1. Install the four rubber mounts on the pump using the 8 x 16 mm flange bolts and 8 mm locking nuts . Torque to 6 - 7 ft-lb. Importance of Proper Assembly 2. Apply thread tape to the outlet elbow , and then install the Proper assembly is essential to operator safety and the reliability of elbow securely in the pump housing. the machine. Any error or oversight made by the person assembling 3. Apply thread tape to the two hose couplings , and securely an
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Suction Hose Connection BEFORE EACH OPERATION Use approved hose, hose connector, and hose clamps (see page 19). The suction hose must be reinforced with a non collapsible wall or wire braided construction to prevent suction hose collapse. Keep the Your safety is your responsibility. A little time spent in preparation will pump as close to the liquid to be pumped as possible. Avoid bends significantly reduce your risk of injury. and sharp turns. Pump performance is best when the pump is not
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Agricultural Chemicals Pump Priming Remove the priming filler cap and completely fill the pump chamber Aatrex Dual N-Serve 24 with water before starting the engine. Replace the priming filler cap. Amiben Eradicane Phosphoric Acid Solutions NOTICE Ammonium Extrazine Poly-N Operating the pump dry will destroy the pump seal. Thiosulfate • Ensure the pump chamber is full of liquid and the suction hose Banvel Larsban Ranger strainer is submerged in the liquid to be pumped. Basagran Lasso Round-up •
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Check the Engine Oil Level Add Fuel Check the engine oil level with the engine stopped and in a level This engine is certified to operate on regular gasoline with a pump position. octane rating of 86 or higher. 1. Remove the filler cap/dipstick and wipe it clean. Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid getting dirt or water in the fuel tank. You may use regular unleaded gasoline containing no more than 10% ethanol (E10) or 5% methanol by volume. In addition
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Pump Operation OPERATION Do not use for pumping liquids for human consumption. Never pump flammable liquids such as gasoline or fuel oils. An explosion may result, causing serious injury. For your safety, avoid starting or operating the engine in an enclosed area, such as a garage. Your pumps exhaust contains poisonous Pump only those chemicals listed in the APPROVED LIQUIDS table carbon monoxide gas, which can collect rapidly in an enclosed area on page 6 of this manual. Pumping chemicals
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Starting the Engine Stopping the Engine Remove the priming filler cap and completely fill the pump chamber Emergency with water before starting the engine and then replace the filler cap IGNITION To stop the engine in an (page 6). SWITCH emergency, turn the 1. Turn the fuel valve OFF ignition switch to the OFF FUEL VALVE to the ON position. position. ON Normal 1. Move the throttle lever fully to the right to the THROTTLE LEVER 2. Move the choke IDLE position. CHOKE LEVER lever to the 2
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Maintenance Schedule SERVICING YOUR PUMP 1 Item Page Interval Proper maintenance is essential for safe, economical, and trouble-free operation. It also helps reduce air pollution. Before each use Engine oil: Check level page 7 Air filter: Check page 11 Pump hoses and strainer: Check page 5 WARNING Improper maintenance, or failure to correct a problem before After each use Pump chamber: Flush page 14 operation, can cause a malfunction in which you can be seriously hurt or killed. First 20
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Oil Change Air Filter Check the air filter after each use. Clean the filter every 50 hours of Change the oil after the first 20 hours of use. Thereafter, change the use. Clean the filter more often when used in dusty areas. Replace oil every 100 hours of use. Change the oil more often when used in the filter every 300 hours of use. dusty areas. A properly maintained air filter will help prevent dirt from entering your engine. Dirt entering the carburetor can be drawn into small passages Dr
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Cleaning Spark Plug A dirty air filter will restrict air flow to the carburetor, reducing engine Check the spark plug every year or 100 hours of use. Replace the performance. If you operate the pump in very dusty areas, clean the spark plug every 300 hours of use. air filter more often than specified in the MAINTENANCE SCHEDULE Recommended Spark Plug: NGK - BPR6ES (page 10). Paper filter: NOTICE 1. Tap the element lightly several times on a hard surface to remove An incorrect spark plug can
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Spark Arrester (optional part) TRANSPORTING The spark arrester must be serviced every 100 hours to keep it functioning as designed. Your pump engine is not factory-equipped with a spark arrester. In Before Loading some areas, it is illegal to operate an engine without a spark arrester. Check local laws and regulations. An optional USDA approved spark If the engine has been running, allow it to cool for at least 15 minutes arrester is available from an authorized Honda servicing dealer. See
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4. Reinstall the spark plug and then pull the starter rope slowly until resistance is felt, and then return the starter grip gently. This will STORAGE close the valves so moisture cannot enter the engine cylinder. Proper storage preparation is essential for keeping your pump trouble Cleaning free and looking good. To help keep rust and corrosion from impairing 1. Wash the pump with a garden hose or other low pressure your pumps function and appearance, and to make the engine easier equipme
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Pump Will Not Pump TROUBLESHOOTING Possible Cause Correction Strainer clogged Clear strainer (page 5). Engine Will Not Start Suction hose clamps loose TIghten hose clamps (page 5). Possible Cause Correction Suction hose sealing washer not Install suction hose sealing washer installed (page 5). Ignition switch OFF Turn the ignition switch ON (page 9). Suction head is too high Locate pump at appropriate level Fuel valve OFF Turn the fuel valve ON (page 9). (page 17). Out of fuel Refuel (page 7).
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High Altitude Operation Emission Control System At high altitudes, the standard carburetor air-fuel mixture will be too Source of Emissions rich. Performance will decrease, and fuel consumption will increase. A The combustion process produces carbon monoxide, oxides of very rich mixture will also foul the spark plug and cause hard starting. nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of Operation at an altitude that differs from that at which this engine was nitrogen is
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Maintenance Air Index An Air Index Information hang tag/label is applied to engines certified Unleaded gasoline to an emission durability time period in accordance with the Fuel with a pump octane See page 7 requirements of the California Air Resources Board. rating of 86 or higher The bar graph is intended to provide you, our customer, the ability to SAE 10W-30 Engine oil See page 11 compare the emissions performance of available engines. The lower API SJ or later the Air Index, the less p
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FUEL SYSTEM MAINTENANCE When maintained properly, your Honda pump should provide years of trouble-free operation. This includes the fuel system. However, gasoline can quickly deteriorate, causing starting or running problems and, in some cases, damage to the fuel system. Most fuel-related problems can be avoided by following the precautions listed below. Fuel system damage and engine performance problems resulting from deteriorated fuel are not covered by the Distributor’s Limited Warranty (s
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If you are dissatisfied with the decision made by the dealership's management, contact the Honda Power Equipment Customer CUSTOMER INFORMATION Relations Office. You can write: American Honda Motor Co., Inc. Power Equipment Division Parts, Accessories, and Service Items Customer Relations Office 4900 Marconi Drive Contact an authorized Honda servicing dealer to purchase any of Alpharetta, GA 30005-8847 these (or other) Honda Genuine Service parts and other approved accessories for your pump
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DISTRIBUTOR’S LIMITED WARRANTY Honda Power Equipment Honda Parts, Accessories, and Apparel This warranty is limited to the following Honda Power Equipment products when This warranty is limited to Honda Power Equipment parts, accessories, and apparel when distributed by American Honda Motor Co., Inc., Power Equipment Division, 4900 Marconi distributed by American Honda Motor Co., Inc., 4900 Marconi Drive, Alpharetta, Georgia Drive, Alpharetta, Georgia 30005-8847, purchased at retail or placed
