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Table of Contents
Related Manuals for Honda WH15X/WH20X
Summary of Contents for Honda WH15X/WH20X
- Page 2 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 This owner’s manual pump and should remain with the water pump if The information and specifications included in this publication were in effect a t the time of approval for printing.
- Page 3 Congratulations on your selection of certain you will be pleased with your purchase of 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;...
- Page 4 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 manual.
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Page 5: Table Of Contents
PUMP SAFETY IMPORTANT SAFETY INFORMATION SAFETY LABEL LOCATIONS CONTROLS COMPONENT & CONTROL LOCATIONS CONTROLS Fuel Valve Lever Ignition Switch Choke Lever Throttle Lever Recoil Starter Grip BEFORE OPERATION ARE YOU READY TO GET STARTED? YOUR PUMP READY TO GO? Check the General Condition of the Pump Check the Suction and Discharge Hoses Check the Engine OPERATION... - Page 6 CONTENTS SERVICING YOUR PUMP (continued) AIR FILTER INSPECTION AIR FILTER CLEANING SEDIMENT CUP CLEANING SPARK PLUG SERVICE IDLE SPEED ADJUSTMENT SPARK ARRESTER SERVICE (optional equipment) ... 39 STORAGE STORAGE PREPARATION Cleaning Fuel Engine Oil ... STORAGE PRECAUTIONS REMOVAL FROM STORAGE TRANSPORTING TAKING CARE OF UNEXPECTED PROBLEMS ENGINE...
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Page 7: Pump Safety
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 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. - Page 8 PUMP SAFETY Hot Exhaust The muffler becomes very hot during operation and remains hot for while after stopping the engine. while it is hot. Let the engine storing it indoors. To prevent fire hazards, keep the pump a t least 3 feet ( 1 meter) away from building walls and other equipment during operation.
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Page 9: Safety Label Locations
SAFETY LABEL LOCATIONS The labels shown here contain important safety information. 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. WARNING- DO NOT PUMP FLAMMABLE OR CORROSIVE MATERIALS. -
Page 10: Controls
CONTROLS COMPONENT & CONTROL LOCATIONS < WHZOX> CARRYING HANDLE FUEL FILLER MUFFLER THROTTLE LEVER CHOKE LEVER FUEL VALVE LEVER STARTER GRIP OIL DRAIN PLUG PRIMING WATER FILLER CAP PUMP DRAIN PLUG... -
Page 11: Fuel Valve Lever
CONTROLS Fuel Valve Lever The fuel valve opens and the connection between the fuel tank and the carburetor. The fuel valve lever must be in the ON position for the engine to When the engine is not leave the fuel valve 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. -
Page 12: Choke Lever
CONTROLS Choke Lever The choke lever opens and closes the choke valve in the carburetor. CLOSED position enriches the fuel mixture for starting a cold engine. The OPEN position provides the correct fuel .mixture for operation after starting, and for restarting a warm engine. -
Page 13: Recoil Starter Grip
CONTROLS Recoil Starter Grip Pulling the starter grip operates the recoil starter to crank the engine. STARTER GRIP... -
Page 14: Before Operation
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. -
Page 15: Is Your Pump Ready To Go
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 Improperly maintaining this pump, or failing to correct a problem... -
Page 16: Check The Suction And Discharge Hoses
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 ). -
Page 17: Operation
SAFE OPERATING PRECAUTIONS To safely realize the full potential of this understanding of its operation and a certain amount of practice with its controls. Before operating the pump for the first IMPORTANT SAFEN INFORMATION on page BEFORE OPERA TION. For your safety, avoid starting or operating the engine in an enclosed area, such as a garage. -
Page 18: Pump Placement
OPERATION PUMP PLACEMENT For best pump performance, place the pump near the water level, and use hoses that are no longer than pump to produce the greatest output with the least self-priming time. As head (pumping height) Maximum head specifications and shown in the tables on pages 55 and 57. -
Page 19: Suction Hose Installation
SUCTION HOSE INSTALLATION Use the commercially available hose and hose connector hose clamp provided reinforced with a noncollapsible wall or braided wire construction. The suction hose should be no longer than performance is best when the pump is near the water hoses are short. -
Page 20: Discharge Hose Installation
OPERATION DISCHARGE HOSE INSTALLATION Use a commercially available hose and hose connector, and clamp provided with the pump. It is best t o use a short, large-dia- meter hose, because that will reduce fluid friction and improve pump output. A long or diameter hose will increase fluid friction and reduce pump output. -
Page 21: Starting The Engine
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. - Page 22 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 gently to prevent damage to the starter.
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Page 23: Setting Engine Speed
7. If the choke lever was moved to the engine, gradually move 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 throttle lever in the FAST direction will increase pump output, and moving the throttle lever in the SLOW direction will decrease pump output. -
Page 24: Stopping The Engine
OPERATION STOPPING THE ENGINE To stop the engine in an emergency, simply turn the ignition switch to position. Under normal conditions, use the following procedure. SLOW position. 1. Move the throttle lever to the THROlTLE LEVER OFF position. 2.Turn the ignition switch to the I I , IGNITION SWITCH... - Page 25 OPERATION 3. Turn the fuel valve lever to the OFF position. FUEL VALVE 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.
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Page 26: Servicing Your Pump
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 malfunction in which you can be seriously hurt or killed. -
Page 27: Maintenance Safety
MAINTENANCE SAFETY Some of the most important safety precautions follow. However, w e cannot warn you of every performing maintenance. Only you can decide whether should perform a given task. Failure to properly follow maintenance instructions and precautions can cause you to be seriously hurt or killed. -
Page 28: Maintenance Schedule
SERVICING YOUR PUMP MAINTENANCE SCHEDULE Emission-related items. (1) Service more frequently when used in dusty areas. (2) These items should be serviced have the proper tools and shop manual for service procedures. (3) For commercial use, log hours of operation to determine proper maintenance intervals. -
Page 29: Refueling
REFUELING Fuel tank capacities WH15X: 0.66 US gal (2.5 !2,0.55 Imp gal) 0.95 US gal (3.6 ! 2 WH20X: With the engine stopped, remove the fuel tank cap and check the fuel level. Refill the tank if the fuel Gasoline is highly flammable and explosive. -
Page 30: Fuel Recommendations
SERVICING YOUR PUMP Refuel in a well-ventilated area before starting the engine. If the engine has been running, allow Do not fill the fuel tank tighten the fuel tank cap Never refuel the engine inside a building where gasoline fumes may reach flames or sparks. -
Page 31: Engine Oil Level Check
ENGINE OIL LEVEL CHECK Check the engine oil position. 1. Remove the oil filler cap/dipstick and wipe 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 filler hole with the recommended oil (see page 31 ). -
Page 32: Engine Oil Change
SERVICING YOUR PUMP ENGINE CHANGE Drain the used oil while the engine is warm. Warm oil drains quickly and completely. 1. Place a suitable container below the engine then remove the oil filler cap/dipstick and the drain plug. 2.Allow the used and tighten it securely. -
Page 33: Engine Oil Recommendations
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. - Page 34 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, filter if it is damaged. Reinstall the air filter and air cleaner cover.
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Page 35: Air Filter Cleaning
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 SCHEDULE (see page 26 ). 1. Clean the air filter thoroughly. -
Page 36: Sediment Cup Cleaning
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. -
Page 37: Spark Plug Service
SPARK PLUG SERVICE In order to service the spark plug, you will need a spark plug wrench (commercially available). Recommended spark plug: BPR6ES (NGK) Incorrect spark plugs can cause engine damage. 1. Disconnect the spark plug cap, and remove any dirt from around the spark plug area. - Page 38 SERVICING YOUR PUMP 6.After the spark plug seats, tighten with wrench to compress the washer. If reinstalling the used 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. Overtightening the cylinder head.
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Page 39: Idle Speed Adjustment
IDLE SPEED ADJUSTMENT 1. Start the engine outdoors, and allow temperature. pEiGl Dry operation will damage the pump seal. Be 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 idle Standard idle speed: 1,400 ?% rpm SERVICING YOUR PUMP to warm up to... -
Page 40: Spark Arrester Service (Optional Equipment)
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. authorized Honda servicing dealers. The spark arrester functioning as designed. -
Page 41: Storage
STORAGE PREPARATION Proper storage preparation troublefree and looking good. 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 by entering the air cleaner or muffler opening. -
Page 42: Storage Preparation
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 touch up any damaged paint, and coat... - Page 43 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 during storage. If you keep a container of gasoline for sure that it contains only fresh gasoline. 1.
- Page 44 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.
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Page 45: Engine Oil
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. -
Page 46: Removal From Storage
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 materials. Do not use sheet plastic as a dust cover. A nonporous cover will trap moisture around the pump, promoting rust and corrosion. -
Page 47: Transporting
TRANSPORTING If the pump has been running, allow the engine to cool for at least 15 minutes before loading the pump engine and exhaust system materials. Keep the pump level when transporting to fuel leakage. Move the fuel valve lever to the OFF position. on the transport can burn you and reduce the possibility of... -
Page 48: Taking Care Of Unexpected Problems
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. -
Page 49: Engine Lacks Power
TAKING CARE OF UNEXPECTED PROBLEMS PUMP No Pump Output 1. Check pump chamber. 2. Check suction hose. 3. Measure suction and discharge head. 4. Check engine. Low Pump Output 1. Check suction hose. 2. Check discharge hose. hose 3. Measure suction and discharge head. -
Page 50: Technical & Consumer Information
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 warranty inquiries (see page 59). Engine serial number: parts, and when making technical... -
Page 51: Carburetor Modification For High Altitude Operation
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 that at which this engine was certified, for extended periods of time, may increase emissions. -
Page 52: Oxygenated Fuels
TECHNICAL & CONSUMER INFORMATION Oxygenated Fuels Some conventional gasolines are being blended with alcohol or ether compound. These gasolines oxygenated fuels. To meet clean air United States and Canada use emissions. If you use an oxygenated fuel, be sure minimum octane rating requirement. Before using an oxygenated fuel, try to confirm the fuel‘s contents. -
Page 53: Emission Control System Information
TECHNICAL & CONSUMER INFORMATION Emission Control System Information Source of Emissions The combustion process produces carbon monoxide, oxides nitrogen, and hydrocarbons. Control nitrogen is very important react to form photochemical smog when subjected to sunlight. Carbon monoxide does not react in the same way, but it is toxic.. Honda utilizes lean carburetor settings and other systems the emissions of carbon monoxide, oxides of nitrogen, hydrocarbons. - Page 54 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 Hard starting or stalling after starting. Rough idle. Misfiring or backfiring under load. Afterburning (backfiring).
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Page 55: Air Index
TECHNICAL & CONSUMER INFORMATION Air Index An Air Index Information hang tag/label is applied to engines certified t o an emission durability time period in 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 engines. -
Page 56: Specifications
TECHNICAL & CONSUMER INFORMATION Specifications WH15X Dimensions and weight Length Height Dry weight Engine design and performance Model Engine type Displacement [bore stroke] Maximum torque Cooling system Ignition system PTO shaft rotation Tuneup Spark plug gap Idle speed Valve clearance (cold) Other specifications 16.3 in (415 m m ) - Page 57 TECHNICAL & CONSUMER INFORMATION WH15X (continued) 'ump Suction port diameter Discharge port diameter Total head (maximum) Suction head (maximum) Discharge capacity (maximum) Self-priming time Continuous running time Pump performance curve As total head increases, discharge capacity decreases. The following graph shows the relationship between pump discharge capacity and total head, while pumping clear water at sea level.
- Page 58 TECHNICAL & CONSUMER INFORMATION WH20X Dimensions and weight Length Width Height Dry weight Engine design and performance Model Engine type Displacement [bore stroke] Maximum output Maximum torque Cooling system PTO shaft rotation Tuneup Spark plug Idle speed Valve clearance (cold) 17.1 i n (435 m m ) 14.8 in (375 m m ) 15.7 i n (400 mm)
- Page 59 TECHNICAL & CONSUMER INFORMATION WHPOX (continued) Pump Suction port diameter Discharge port diameter Total head (maximum) Suction head (maximum) Discharge capacity (maximum) Self-priming time Continuous running time Pump performance curve total head increases, discharge capacity decreases. The graph shows the relationship between pumping total head, while (ft)
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Page 60: Consumer Information
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 It is intended to be used by a skilled technician. Parts Catalog This manual provides complete, illustrated parts lists. -
Page 61: Customer Service Information
TECHNICAL & CONSUMER INFORMATION Customer Service Information Servicing dealership personnel are trained professionals. They should be able to answer any question problem that your dealer does not solve to your satisfaction, please discuss it with the dealership's management. The Service Manager or General Manager can help. - Page 62 MEMO...
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Page 63: Quick Reference Information
QUICK REFERENCE INFORMATION Fuel Engine Oil Spark Plug Carburetor Maintenance... - Page 64 OZLLaAlE 90’100z’0001 LEX00 OOzL-LaA- (IH) palU!Jd ueder...