Honda Automobiles WH15X/WH20X manuale d’uso

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The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Keep this owner’s manual handy, so you can refer to it at any time. This owner’s manual is considered a permanent part of the water pump and should remain with the water pump if resold. The informat[...]

Congratulations on your selection of a Honda water pump. We are certain you will be pleased with your purchase of one of the finest water pumps on the market. 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. As ou read this m[...]

INTRODUCTION A FEW WORDS ABOUT SAFETY Your safety and the safety of others are very important. And using this water pump safely is an important responsibility. To help you make informed decisions about safety, we have provided operating procedures and other information on labels and in this manual. This information alerts you to potential hazards t[...]

PUMP SAFETY ........................................................................................... 5 IMPORTANT SAFETY INFORMATION ................................................. 5 SAFETY LABEL LOCATIONS ................................................................. 7 CONTROLS COMPONENT & CONTROL LOCATIONS .............................[...]

CONTENTS SERVICING YOUR PUMP (continued) AIR FILTER INSPECTION ..................................................................... 32 AIR FILTER CLEANING ........................................................................ 33 SEDIMENT CUP CLEANING ................................................................ 34 SPARK PLUG SERVICE .........[...]

PUMP SAFETY IMPORTANT SAFETY INFORMATION Honda WH15X and WH20X pumps are designed to pump only water that is not intended for human consumption, and other uses can result in injury to the operator or damage to the pump and other property. Most accidents can be prevented if you follow all instructions in this manual and on the pump. The most common [...]

PUMP SAFETY Hot Exhaust The muffler becomes very hot during operation and remains hot for a while after stopping the engine. Be careful not to touch the muffler while it is hot. Let the engine cool before transporting the pump or storing it indoors. To prevent fire hazards, keep the pump at least 3 feet (1 meter) away from building walls and other [...]

PUMP SAFETY SAFETY LABEL LOCATIONS The labels shown here 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. r WARNING- DO NOT PUMP FLAMMABLE OR CORROSIVE MATERIALS. AN[...]

CONTROLS COMPONENT & CONTROL LOCATIONS < WHZOX> CARRYING HANDLE FUEL FILLER CAP MUFFLER AIR CLEANER THROTTLE LEVER FUEL VALVE LEVER CHOKE LEVER STARTER GRIP OIL DRAIN PLUG PRIMING WATER FILLER CAP 8 -- PUMP DRAIN PLUG[...]

CONTROLS CONTROLS Fuel Valve Lever The fuel valve opens and closes the connection between the fuel tank and the carburetor. The fuel valve lever must be in the ON position for the engine to run. When the engine is not in use, leave the fuel valve lever in the OFF position to prevent carburetor flooding and to reduce the possibility of fuel leakage.[...]

CONTROLS Choke Lever The choke lever opens and closes CHOKE LEVER the choke valve in the carburetor. I correct fuel .mixture for operation after starting, and for restarting a warm engine. Throttle Lever The throttle lever controls engine speed. Moving the throttle lever in the directions shown makes the engine run faster or slower. Pump output is [...]

CONTROLS Recoil Starter Grip Pulling the starter grip operates the recoil starter to crank the engine. STARTER GRIP 11[...]

BEFORE OPERATION ARE YOU READY TO GET STARTED? Your safety is your responsibility. A little time spent in preparation will significantly reduce your risk of injury. Knowledge 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[...]

BEFORE OPERATION IS YOUR PUMP READY TO GO? For your safety, and to maximize the service life of your equipment, it is very important to take a few moments before you operate the pump to check its condition. Be sure to take care of any problem you find, or have your servicing dealer correct it, before you operate the pump. Improperly maintaining thi[...]

Check the Suction and Discharge Hoses Check the general condition of the hoses. Be sure the hoses are in serviceable condition before connecting them to the pump. Remember that the suction hose must be reinforced construction to prevent hose collapse. Check that the sealing washer in the suction hose connector is in good condition (see page 17 ). C[...]

SAFE OPERATING PRECAUTIONS To safely realize the full potential of this pump, you need a complete understanding of its operation and a certain amount of practice with its controls. Before operating the pump for the first time, please review the IMPORTANT SAFEN INFORMATION on page 5 and the chapter titled BEFORE OPERA TION. For your safety, avoid st[...]

OPERATION PUMP PLACEMENT For best pump performance, place the pump near the water level, and use hoses that are no longer than necessary. That will enable the pump to produce the greatest output with the least self-priming time. As head (pumping height) increases, pump output decreases. Maximum head specifications and pump performance curves are sh[...]

OPERATION SUCTION HOSE INSTALLATION , Use the commercially available hose and hose connector with the hose clamp provided with the pump. The suction hose must be reinforced with a noncollapsible wall or braided wire construction. The suction hose should be no longer than necessary. Pump performance is best when the pump is near the water level, and[...]

OPERATION DISCHARGE HOSE INSTALLATION Use a commercially available hose and hose connector, and clamp provided with the pump. It is best to use a short, large-dia- meter hose, because that will reduce fluid friction and improve pump output. A long or small- diameter hose will increase fluid friction and reduce pump output. Tighten the hose clamp se[...]

OPERATION STARTING THE ENGINE 1. Prime the pump (see page 18 ). 2. Move the fuel valve lever to the ON position. FU-EL VALVE LEVER 3. To start a cold engine, move the choke lever to the CLOSED position. To restart a warm engine, leave the choke lever in the OPEN position. CHOKE LEVER 4. Move the throttle lever away from the SLOW position, about 1/3[...]

OPERATION 5. Turn the ignition switch to the ON position. , IGNITION SWITCH 6. 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 gently to prevent damage to the starter. STARTER GRIP 20[...]

OPERATION 7. If the choke lever was moved to the CLOSED position to start the engine, gradually move it to the OPEN position as the engine warms UP. SETTING ENGINE SPEED 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 thr[...]

OPERATION STOPPING THE ENGINE To stop the engine in an emergency, simply turn the ignition switch to the OFF position. Under normal conditions, use the following procedure. 1. Move the throttle lever to the SLOW position. THROlTLE LEVER 2.Turn the ignition switch to the OFF position. u! _-- I I, I IGNITION SWITCH 22[...]

OPERATION 3. Turn the fuel valve lever to the OFF position. FUEL . VALVE / OFF LEVER After use, remove the pump drain plug (see page40 ), 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, then reinstall the filler cap and drain plug. 23[...]

SERVICING YOUR PUMP THE IMPORTANCE OF MAINTENANCE Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution. ' Improperly maintaining this pump, or failure to correct a problem before operation, can cause a malfunction in which you can be seriously hurt or killed. Always follow the i[...]

SERVICING YOUR PUMP MAINTENANCE SAFETY Some of the most important safety precautions follow. However, we cannot warn you of every conceivable hazard that can arise in performing maintenance. Only you can decide whether or not you should perform a given task. Failure to properly follow maintenance instructions and precautions can cause you to be ser[...]

SERVICING YOUR PUMP MAINTENANCE SCHEDULE Emission-related items. (1) Service more frequently when used in dusty areas. (2) These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to Honda shop manual for service procedures. (3) For commercial use, log hours of operation to det[...]

SERVICING YOUR PUMP REFUELING Fuel tank capacities WH15X: 0.66 US gal (2.5 !2,0.55 Imp gal) WH20X: 0.95 US gal (3.6 !2 , 0.79 Imp gal) With the engine stopped, remove the fuel tank cap and check the fuel level. Refill the tank if the fuel level is low. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling [...]

SERVICING YOUR PUMP 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 above the fuel strainer shoulder. After refueling, tighten the fuel tank cap securely. Never refuel the engine inside a building where gasoline fumes ma[...]

SERVICING YOUR PUMP ENGINE OIL LEVEL CHECK Check the engine oil level with the engine stopped and in a level position. 1. Remove the oil filler cap/dipstick and wipe it clean. 2. Insert and remove the dipstick without screwing it into the filler neck. Check the oil level shown on the dipstick. 3. If the oil level is low, fill to the edge of the oil[...]

SERVICING YOUR PUMP ENGINE OIL CHANGE Drain the used oil while the engine is warm. Warm oil drains quickly and completely. 1. Place a suitable container below the engine to catch the used oil, then remove the oil filler cap/dipstick and the drain plug. 2.Allow the used oil to drain completely, then reinstall the drain plug, and tighten it securely.[...]

SERVICING YOUR PUMP ENGINE OIL RECOMMENDATIONS Oil is a major factor affecting performance and service life. Use 4-stroke automotive detergent oil. SAE IOW-30 is recommended for general use. Other viscosities shown in the chart may be used when the average temperature in your area is wit.hin the recommended range. SAE Viscosity Grades -30 -20 -1 0 [...]

I SERVICING YOUR PUMP AIR FILTER INSPECTION Unscrew the wing nut and remove the air cleaner cover. Check the air filter to be sure it is clean and in good condition. If the air filter is dirty, clean it as described on page 33. Replace the air filter if it is damaged. Reinstall the air filter and air cleaner cover. Be sure all the parts shown below[...]

SERVICING YOUR PUMP AIR FILTER CLEANING A dirty air filter will restrict air flow to the carburetor, reducing engine performance. If you operate the pump in very dusty areas, clean the air filter more frequently than specified in the MAINTENANCE SCHEDULE (see page 26 ). 1. Clean the air filter in warm soapy water, rinse, and allow to dry thoroughly[...]

' SERVICING YOUR PUMP ~ SEDIMENT CUP CLEANING 1. Move the fuel valve lever to the OFF position, then remove the fuel sediment cup and O-ring. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. Stop the engine and keep heat, sparks, and flame away. Handle fuel only outdoors. Wipe up spills imm[...]

SERVICING YOUR PUMP SPARK PLUG SERVICE In order to service the spark plug, you will need a spark plug wrench (commercially available). Recommended spark plug: BPR6ES (NGK) W20EPR-U (DENSO) Incorrect spark plugs can cause engine damage. 1. Disconnect the spark plug cap, and remove any dirt from around the spark plug area. 2. Remove the spark plug wi[...]

~ SERVICING YOUR PUMP 6.After the spark plug seats, tighten with a 13/16-inch spark plug wrench to compress the washer. If reinstalling the used spark plug, tighten 118-1/4 turn after the spark plug seats. If installing a new spark plug, tighten 1/2 turn after the spark plug seats. A loose spark plug can overheat and damage the engine. Overtighteni[...]

SERVICING YOUR PUMP IDLE SPEED ADJUSTMENT 1. Start the engine outdoors, and allow it to warm up to operating temperature. pEiGl Dry operation will damage the pump seal. Be sure the pump chamber is filled with water before starting the engine. 2. Move the throttle lever to its slowest position. 3. Turn the throttle stop screw to obtain the standard [...]

SERVICING YOUR PUMP SPARK ARRESTER SERVICE (optional equipment) Your engine is not factory-equipped with a spark arrester. In some areas, it is illegal to operate an engine without a spark arrester. Check local laws and regulations. A spark arrester is available from authorized Honda servicing dealers. The spark arrester must be serviced every 100 [...]

STORAGE PREPARATION Proper storage preparation is essential for keeping your pump troublefree and looking good. The following steps will help to keep rust and corrosion from impairing your pump's function and appearance, and will make the engine easier to start when you use the pump again. Cleaning 1. Wash the engine and pump. Wash the engine [...]

STORAGE 4. Stop the engine, and allow it to cool. 5. Remove the pump drain plug, and flush the pump with clean, fresh water. Allow the water to drain from the pump chamber, then reinstall the drain plug. 6. After the pump is clean and dry, touch up any damaged paint, and coat areas that may rust with a light film of oil. Lubricate controls with a s[...]

STORAGE Adding a Fuel Stabilizer to Extend Fuel Storage Life When adding a fuel stabilizer, fill the fuel tank with fresh gasoline. If only partially filled, air in the tank will promote fuel deterioration during storage. If you keep a container of gasoline for refueling, be sure that it contains only fresh gasoline. 1. Add fuel stabilizer followin[...]

STORAGE Draining the Fuel Tank and Carburetor 1. Place an approved gasoline container below the carburetor, and use a funnel to avoid spilling fuel. 2. Remove the carburetor drain bolt and sediment cup, then move the fuel valve lever to the ON position. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling[...]

STORAGE Engine Oil 1. Change the engine oil (see page30 ). 2. Remove the spark plug (see page 35 ). 3. Pour a tablespoon (5- 10 cc) of clean engine oil into the cylinder. 4. Pull the starter grip several times to distribute the oil in the cylinder. 5. Reinstall the spark plug. 6.Pull the starter grip slowly until resistance is felt and the notch on[...]

STORAGE Place the pump on a level surface. Tilting can cause fuel or oil leakage. With the engine and exhaust system cool, cover the pump to keep out dust. A hot engine and exhaust system can ignite or melt some materials. Do not use sheet plastic as a dust cover. A nonporous cover will trap moisture around the pump, promoting rust and corrosion. R[...]

TRANSPORTING If the pump has been running, allow the engine to cool for at least 15 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. 45[...]

TAKING CARE OF UNEXPECTED PROBLEMS ENGINE Engine Will Not Start 1. Check control positions. 2. Check fuel. 3. Remove and inspect spark plug. 4. Take engine to an authorized Honda servicing dealer, or refer to shop manual. Engine Lacks Power 1. Check air filter. 2. Check fuel. 3. Take engine to an authorized Honda servicing dealer, or refer to shop [...]

TAKING CARE OF UNEXPECTED PROBLEMS PUMP No Pump Output chamber. Prime pump (p. 18 ) Pump not primed. 1. Check pump Correction Possible Cause 2. Check suction hose. Hose collapsed, cut or Replace suction hose punctured. (P. 17 1. Strainer not completely the end of a suction underwater. Sink the strainer and I hose completely underwater. Air leak at [...]

TECHNICAL & CONSUMER INFORMATION TECHNICAL INFORMATION Serial Number Location < WH20X > ENGINE SERIAL NUMBER Record the engine serial number in the space below. You will need this serial number when ordering parts, and when making technical or warranty inquiries (see page 59). Engine serial number: 48[...]

TECHNICAL & CONSUMER INFORMATION Carburetor Modification for High Altitude Operation At high altitude, the standard carburetor air-fuel mixture will be too rich. Performance will decrease, and fuel consumption will increase. A very rich mixture will also foul the spark plug and cause hard starting. Operation at an altitude that differs from tha[...]

I TECHNICAL & CONSUMER INFORMATION Oxygenated Fuels Some conventional gasolines are being blended with alcohol or an ether compound. These gasolines are collectively referred to as oxygenated fuels. To meet clean air standards, some areas of the United States and Canada use oxygenated fuels to help reduce emissions. If you use an oxygenated fue[...]

TECHNICAL & CONSUMER INFORMATION Emission Control System Information Source of Emissions The combustion process produces carbon monoxide, oxides of nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of nitrogen is very important because, under certain conditions, they react to form photochemical smog when subjected to sunlight. Carb[...]

' TECHNICAL & CONSUMER INFORMATION Problems That May Affect Emissions If you are aware of any of the following symptoms, have your engine inspected and repaired by your servicing dealer. Hard starting or stalling after starting. Rough idle. Misfiring or backfiring under load. Afterburning (backfiring). 0 Black exhaust smoke or high fuel co[...]

TECHNICAL & CONSUMER INFORMATION Air Index An Air Index Information hang tag/label is applied to engines certified to an emission durability time period in accordance with the requirements of the California Air Resources Board. The bar graph is intended to provide you, our customer, the ability to compare the emissions performance of available [...]

TECHNICAL & CONSUMER INFORMATION Specifications WH15X Dimensions and weight Length 14.2 in (360 mm) Width 16.3 in (415 mm) 49 Ibs (22 kg) Dry weight 15.9 in (405 mm) Height Engine design and performance I Model I GX120K1 1 Engine type 7.3 cu-in (1 19 cc) Displacement 4-stroke, overhead valve, single cylinder Forced air Cooling system 5.4 ft-lb [...]

TECHNICAL & CONSUMER INFORMATION WH15X (continued) 'ump Suction port diameter 164ft (50 m) Total head (maximum) 1.5 in (38 mm) Discharge port diameter 1.5 in (38 mm) Suction head (maximum) 105.7 US gal (400 !2,88.0 Imp gal) Discharge capacity (maximum) 26.2 ft (8 m) Der minute Self-priming time I 40 seconds at 16.4 ft (5 m) Continuous runn[...]

TECHNICAL & CONSUMER INFORMATION WH20X Dimensions and weight Length 15.7 in (400 mm) Height 14.8 in (375 mm) Width 17.1 in (435 mm) Dry weight 51.8 Ibs (23.5 kg) Engine design and performance Model 9.9 cu-in (163 cc) Displacement 4-stroke, overhead valve, single cylinder Engine type GX160K1 [bore X stroke] Forced air Cooling system 8.0 ft-lb (1[...]

TECHNICAL & CONSUMER INFORMATION 0 loo 200 300 400 500 600 700 (Q/min) 26.4 52.8 79.3 105.7 132.1 158.5 184.9 (US gallmin) I I I I I I I DISCHARGE CAPACITY 57 WHPOX (continued) Pump 1 Suction port diameter 132.1 US gal (500 0, 110.0 Imp gal) Discharge capacity (maximum) 26.2 ft (8 m) Suction head (maximum) 164ft (50 m) Total head (maximum) 2 in[...]

TECHNICAL & CONSUMER INFORMATION ~~ CONSUMER INFORMATION Honda Publications These publications will give you additional information for maintaining and repairing your pump. You may order them from your Honda pump dealer. Shop Manual This manual covers complete maintenance and overhaul procedures. It is intended to be used by a skilled technicia[...]

TECHNICAL & CONSUMER INFORMATION Customer Service Information Servicing dealership personnel are trained professionals. They should be able to answer any question you may have. If you encounter a problem that your dealer does not solve to your satisfaction, please discuss it with the dealership's management. The Service Manager or General [...]

MEMO 60[...]

QUICK REFERENCE INFORMATION Fuel Engine Oil Spark Plug Carburetor Maintenance[...]

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