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Thank you for purchasing a Honda water pump. We want to help you get the best results from your new water pump and to operate it safely. This manual contains the information on how to do that; please read it carefully. This manual covers the operation and maintenance of Honda water pump: W D20X/W D30X All information in this publication is based on the latest product information available at the time of printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without
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CONTENTS 1. WATER PUMP SAFETY .............................................................................. 3 2. COMPONENT IDENTIFICATION.. ............................................................... .5 3. PRE-OPERATION CHECK ............................................................................ 6 4. STARTING THE ENGINE .......................................................................... .l 1 ................................................................................
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I. WATER PUMP SAFETY To ensure safe operation - l For safety, never pump flammable or corrosive liquids such as gasoline or acid. Also, to avoid pump corrosion, never pump sea water, muddy water, chemical solutions, or caustic liquids such as used oil, wine, or milk. l Operate the pump on a level surface. If the engine is tilted, fuel spillage may result. l ?o prevent fire hazards and to provide adequate ventilation, keep the pump at least 1 meter (3 feet) away from building walls and o
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SAFETY LABEL LOCATIONS The labels shown here contain important safety information. Please read them carefully. These labels are considered permanent parts of your water pump, so if a label comes off or becomes hard to read, contact your authorized Honda water pump dealer for a replacement. GASOLINE WARNING LABEL NOT PUMP FLAMMABLE PUMP CAUTION LABEL
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2. COMPONENT IDENTIFICATION (WDZOX) (WD30X) MUFFLER THROTTLE LEVER / ENGINE 2WlTCH CHOKE LEVER \ STARTER GRIP \ FUEL VALVE’ w OIL FILLER CAP/DIPSTICK ENGINE SERIAL NUMBER . FUEL FILLER CAP PRIMIN IG WATER \ AIR CLEANER STRAINER I OIL DRAIN PLUG PUMP DRAIN PLUG * Record the engine serial number for your future reference. Refer to this serial number when ordering parts, and when making technical or warranty inquiries (see page 29 1 Engine serial number: 5
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3. PRE-OPERATION CHECK 1. Suction hose Use a commercially available hose, hose connector, and hose bands. The suction hose must be of reinforced, non-collapsible wall or wire braided hose to prevent suction collapse. The suction hose length should not be longer than necessary, as the pump performance is best when the pump is not far above the water level. Self-priming time is also proportional to the suction hose length. Using a longer suction hose will increase the self- priming time.
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3. Engine oil 1 I l Engine oil is a major factor affecting engine performance and service life. Nondetergent oils and 2-stroke oils are not recommended because they have inadequate lubricating characteristics. l Check the oil level with the pump on a level surface and the engine stopped. Use Honda 4-stroke oil, or an equivalent high detergent, premium quality motor oil certified to meet or exceed U.S. auto- mobile manufacturer’s requirements for Service Classification SG, SF/CC, CD.
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Fuel Recommendation 1. Remove the filler cap check fuel level. 2. Refill the tank if the fuel level is low. Do not fill above the shoulder of the fuel strainer. l Gasoline is extremely flammable and is explosive under certain conditions. l Refuel in a well-ventilated area with the engine stopped. Do not smoke or allow flames or sparks in the area where the engine is refueled or where gasoline is stored. l Do not overfill the fuel tank( there should be no fuel in the filler neck 1. Afte
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Occasionally you may hear light “spark knock” or “pinging” 1 metallic rapping noise ) while operating under heavy loads. This is no cause for concern. If spark knock or pinging occurs at a steady engine speed, under normal load, change brands of gasoline. If spark knock or pinging persists, see an authorized Honda water pump dealer. j-iciq Running the engine with persistent spark knock or pinging can cause engine damage. Running the engine with persistent spark knock or pinging is misus
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5. Air cleaner Remove the wing nut, washer and air cleaner cover. Check the air cleaner element to be sure it is clean and in good condition. Clean or replace the element if necessary (p. 18 1. AIR CLEANER COVER AIR CLEANER ELEMENT 6. Priming water The pump chamber should be completely filled before operating. [NOTICE 1 Do not operate the pump without priming water or the pump will overheat. Operating the pump dry will destroy the pump seal. If the unit has been operated dry, stop the
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1. Turn the fuel valve ON. 2. Close the choke lever. Do not use the choke if the engine is warm or the ambient temperatuie is high. FUEL VALVE CHOKE LEVER 3. Turn the engine switch to the ON position. ENGINE SWITCH 11
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4. Move the throttle lever slightly to the left. THROTTLE LEVER 5. Pull the starter grip lightly until resistance is felt, then pull it briskly. Do not allow the starter grip to snap back against the engine. Return it slowly to prevent damage to the starter. STARTER GRIP 12
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5.0PERATION 1. As the engine warms up, gradually open the choke. 2. Set the throttle at the desired speed. LEVER 13
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Oil Alert System The Oil Alert System is designed to prevent engine damage caused by an insufficient amount of oil in the crankcase. Before the oil level in the crankcase can fall below the safe limit, the Oil Alert System will automatically shut down the engine (the engine switch will remain in the ON position). If the Oil Alert System shuts down the engine, the Oil Alert lamp will flash when you operate the starter, and the engine will not start. If this occurs, add engine oil (p. 7 1.
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7. STOPPING THE ENGINE In an emergency: 1. To stop the engine in an emergency, turn the engine switch to the OFF position. , ENGINE SWITCH’ In nomal use: 1. Move the throttle lever fully to the right. 2. Turn the engine switch to the OFF position, 3. Turn the fuel valve OFF. THROTTLE LEVER lbd FUEL VALVE 15
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7. MAINTENANCE The purpose of the Maintenance Schedule is to keep the pump in the best operating condition. Inspect and service as indicated in the Maintenance Schedule below. Shut off the engine before performing any maintenance. If the engine must be operated, make sure the area is well-ventilated. The exhaust contains poisonous carbon monoxide gas; exposure can cause loss of consciousness and may lead to death. l Use only genuine HONDA parts or their equivalent for maintenance or rep
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1. Oil change Drain the oil while the engine is still warm to assure rapid and complete draining. 1. Remove the oil filler cap/dipstick and the drain plug to drain the oil. 2. Reinstall the drain plug and tighten securely. 3. Refill with the recommended oil (see page 7 1 to the specified level. OIL CAPACITY: 0.6 0 (0.6 US qt ,0.5 Imp qt) OIL FILLER CAP/ DRAIN PLUG DIPSTICK OIL LEVEL Used motor oil may cause skin cancer if repeatedly left in contact with the skin for prolonged periods
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2. Air cleaner service A dirty air cleaner will restrict air flow to the carburetor. To prevent carburetor malfunction, service the air cleaner regularly. Service more frequently when operating the pump in extremely dusty areas. Never use gasoline or low flash point solvents for cleaning the air cleaner element. A fire or explosion could result. pziiiq Never run the engine without the air cleaner. Rapid engine wear will result from contaminants, such as dust and dirt being drawn into the
