Honda And Wt40X Users Manual
Honda-Wt20X-Gc02-2468253-Through-9999999-Owners-Manual-108727 honda-wt20x-gc02-2468253-through-9999999-owners-manual-108727
2015-03-12
: Honda Honda-And-Wt40X-Users-Manual-657277 honda-and-wt40x-users-manual-657277 honda pdf
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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 information and specifications included in this publication were in effect 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. INTRODUCTION 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 manual, you will find information preceded by a &iq symbol. That information 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 specially trained inservicing Honda water pumps. Your Honda servicing dealer is dedicated to your satisfaction and will be pleased to answer your questions and concerns. Best Wishes, Honda Motor Co., Ltd. 1 INTRODUCTION A FEW WORDS ABOUT SAFETY Your safety and the safety of others are very important. water pump safely is an important responsibility. And using this 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 that could hurt you or others. Of course, it is not practical or possible to warn you about all the hazards associated with operating or maintaining a water pump. You must use your own good judgment. You will including: l l find important Safety Labels - safety in a variety of forms, on the pump. Safety Messages - preceded by a safety alert symbol A of three signal words, DANGER, WARNING, or CAUTION. These signal words l Safety Headings - l Safety Section - l Instructions - and one mean: You WILL be KILLED or SERIOUSLY you don’t.follow instructions. HURT if You CAN be KILLED or SERIOUSLY you don’t follow instructions. HURT if You CAN instructions. be HURT if you don’t follow such as IMPORTANTSAFETYINFORMATION. such as PUMP SAFETY how to use this pump correctly This entire book is filled read it carefully. 2 information with important safety and safely. information - please CONTENTS PUMP SAFETY ........................................................................................... ................................................. IMPORTANT SAFETY INFORMATION SAFETY LABEL LOCATIONS .... . ............................................................ 5 5 7 CONTROLS & FEATURES .. ... ... .. ... ... .. ... ... .. .... .. ... ... .. ... ... .. ... ...~.................. 8 COMPONENT & CONTROL LOCATIONS . ... .. .... .. .. .... .. .. ...a................... 8 CONTROLS ... ... ... .. .... .. ... ... .. ... ... ... ..... ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... ... 9 Fuel Valve Lever ... ... .. ... ... ... .. ... ...... .. ... ... .. ... ... ... ... .. ... ... .. ... .. ... ... ... .. .. ... 9 Ignition Switch .. .. ... ... ... .. ... ... ... .. ... ... .. ... ... .. ... ... ... .. ... ... .. .... .. .. ... ... .. ... .. .. 9 Choke Lever .. ... .. ... ... ... ... ... .. ... ... ... .. ... ... .. ... ... .. ... ... ... .. ... ... .. ... ... .. ... .. ... IO Throttle Lever ... ... .. ... .... .. .. ... ... ... ... .. ... ... .. ... ... ... .. ... ... .. ... ... .. ... ... .. .. .... . 10 Recoil Starter Grip .. ... ...~~.~..~.......~~............~...............~....................... 11 FEATURES .. .. .... .. ... ... ... .. ... ... ... .. ... ..... ... ... .. .... .. ... ... .. ... .. ... ... .. ... ... .. ... .. ... . 11 Oil Alert@ System .. .... .. ... ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... .. ... .. ... ... ... .. .. ... . 11 BEFORE OPERATION .............................................................................. ARE YOU READY TO GET STARTED? ................................................ IS YOUR PUMP READY TO GO? ......................................................... Check the General Condition of the Pump ..................................... Check the Suction and Discharge Hoses ........................................ Check the Engine .............................................................................. 12 12 13 13 14 14 OPERATION . .. ... ... ... .. ... ... .. ... ... ...~............................................................. 15 SAFE OPERATING PRECAUTIONS ... .. ... ... ... .. ... .. ... ... .. ... .. ... .. ... .. ... .. .. . 15 PUMP PLACEMENT .. .. ... ... ... .. .. .... ..... ... .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... .. .. ... .. 16 . ... .. .. .... .. .. ... ... .. ... ... .. ... .. ... .. ... .. ... .. ... . 17 SUCTION HOSE INSTALLATION .. .. ... ... .. ... ... .. .. .... .. .. ... .. ... ... .. ... .. .. . 18 DISCHARGE HOSE INSTALLATION PRIMING THE PUMP ... ... .. .... .. .. ... ...... ... .. .. .... .. .. .... .. .. ... ... .. ... .. ... ... .. .. ... .. 18 STARTING THE ENGINE .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... .. ... .. ... .. .. .... .. .. .. ... 19 SETTING ENGINE SPEED ,................................................................... 21 STOPPING THE ENGINE .. .. ... ... .. ..... ... ... .. ... .. ... ... .. .. ... ... .. ... .. ... ... .. .. ... .. . 22 SERVICING YOUR HONDA PUMP . ..... .. ... .. .... .. .. ... ... .. ... ... .. ... .. .. .... .. .. ... .. 24 THE IMPORTANCE OF MAINTENANCE . ... .. ... ... .. .. ... ... .. ... .. ... ... .. .. .. ... . 24 MAINTENANCE SAFETY .. ... .. ... ... ..... ... ... .. ... .. ... ... .. ... .. ... .. ... .. ... ... .. .. ... .. 25 MAINTENANCE SCHEDULE .. ... .. .... .. .. ... ... .. ... ... .. ... ... .. ... .. ... .. ... .. ... .. ... . 26 REFUELING . ... ... .. ... ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... .. ... .. ... ... .. .. ... 27 . .. ... ..... ... .. .. ... ... .. ... .. .. ... ... .. .. .. ... ... .. ... .. ... . 28 FUEL RECOMMENDATIONS ENGINE OIL LEVEL CHECK ... .. .. .. ...... .. .. ... .. ... .. ... .. .. ... .. .. .. ... .. .. ... .. .. .. ... . 29 ENGINE OIL CHANGE . ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. .. ... .. .. ... .. 30 3 CONTENTS SERVICING YOUR HONDA PUMP (continued) ................................................... ENGINE OIL RECOMMENDATIONS AIR FILTER INSPECTION ..................................................................... AIR FILTER CLEANING ........................................................................ SEDIMENT CUP CLEANING ................................................................ SPARK PLUG SERVICE ........................................................................ ................................................................ IDLE SPEED ADJUSTMENT .......................... SPARK ARRESTER SERVICE (optional equipment) PUMP CASING CLEANING ................................................................. 31 32 33 34 35 37 38 40 STORAGE ................................................................................................. STORAGE PREPARATION ................................................................... Cleaning ............................................................................................ Fuel .................................................................................................... Engine Oil .......................................................................................... STORAGE PRECAUTIONS .................................................................. REMOVAL FROM STORAGE ............................................................... 41 41 41 42 45 45 46 TRANSPORTING .. .. ... . ... .. .. .. .. ... .. .. .. ... .. .. .. .. ... .. .. .. ... .. .. ... .. .. .. .. ... .. .. .. ... .. .. ... . 47 TAKING CARE OF UNEXPECTED PROBLEMS ...................................... ENGINE ................................................................................................. Engine Will Not Start ....................................................................... Engine Lacks Power ......................................................................... PUMP .................................................................................................... No Pump Output .............................................................................. Low Pump Output ............................................................................ 48 48 48 48 49 49 49 ......................................... TECHNICAL & CONSUMER INFORMATION TECHNICAL INFORMATION ................................................................ Serial Number Location ................................................................... Carburetor Modification for High Altitude Operation ................... Oxygenated Fuels ............................................................................ ........................................... Emission Control System Information Air Index ............................................................................................ ................................................................................... Specifications CONSUMER INFORMATION ............................................................... .......................................................................... Honda Publications ......................................................... Warranty Service Information 50 50 50 51 52. 53 55 56 62 62 63 QUICK REFERENCE INFORMATION 4 ............................ Inside back cover PUMP SAFETY IMPORTANT SAFETY INFORMATION Honda WT20X, WT30X, and WT40X 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 hazards are discussed below, along with the best way to protect yourself and others. Operator Responsibility It is the operator’s responsibility to provide the necessary safeguards to protect people and property. Know how to stop the pump quickly in case of emergency. If you leave the pump for any reason, always turn the engine off. Understand the use of all controls and connections. Be sure that anyone who operates instruction. Do not let children operate pets away from the area of operation. the pump receives proper the pump. Keep children and Pump Operation 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 solutions, or any other liquid that promotes corrosion can damage the pump. Refuel With Care Gasoline is extremely flammable, and gasoline vapor can explode. Refuel outdoors, in a well-ventilated area, with the engine stopped and the pump on a level surface. Do not fill the fuel tank above the fuel strainer shoulder. Never 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. 5 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 equipment during operation. Do not place flammable objects close to the engine. Carbon Monoxide Exhaust exhaust 6 Hazard gas contains poisonous carbon monoxide. Avoid inhalation of gas. Never run the engine in a closed garage or confined area. 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. \~ETERSO~AL PUMP CAUTION INJURY. J LABEL PRECAUTION! NC FAITE PAS FON- 7 CONTROLS & FEATURES COMPONENT & CONTROL LOCATIONSFUEL FILLER CAP PRIMING/WATER FILLER CAP AIR CLEANER THROTTLE LEVER CHOKE LEVER ‘DISCHAR,GE PORT FUEL VALVE L CASE DRAIN PIJJG STARTER GRIP OIL FlLiER CAP/DIPSTICK / IGNITION SWITCH PRIMING WATER FILLER CAP , SUCTION MUFFLER PORT COVER DRAIN PLUG t STRAINER CONTROLS & FEATURES CONTROLS Fuel Valve Lever The fuel valve opens and closes the connection between the fuel tank and the carburetor. FUEL VALVE LEVER 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. OFF -I Ignition Switch IGNITION SWITCH The ignition switch ignition system. The ignition ON position controls the switch must be in the for the engine to run. Turning the ignition switch to the OFF position stops the engine. 9 CONTROLS & FEATURES Choke Lever The choke lever opens and closes the choke valve in the carburetor. CHOKE LEVER ! I The 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. Throttle Lever The throttle speed. lever controls engine 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 will decrease the output volume of the pump. 10 \, i :. ‘\ \ ) 1 i ! .\ CONTROLS & FEATURES Recoil Starter Grip Pulling the starter grip operates the recoil starter to crank the engine. STARTER GRIP FEATURES 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 a safe limit, the Oil Alert@ system will automatically stop the engine (the ignition switch will remain in the ON position). If the engine stops and will not restart, check the engine 29 ) before troubleshooting in other areas. oil level (page 11 BEFORE OPERATION ARE YOU READY TO GET STARTED? Your safety is your responsibility. A little time spent in preparation significantly reduce your risk of injury. will Knowledge Read and understand how to operate them. this manual. Know what the controls Familiarize yourself with the pump and its operation pumping. Know what to do in case of emergencies. before you begin Be sure of what you are pumping. This pump is designed only water that is not intended for human consumption. 12 do and to pump 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 this pump, or failing to correct a problem before operation, could cause a malfunction in which you could be seriously injured. Always perform a preoperation inspection before each operation, and correct any problem. Exhaust gas contains poisonous carbon monoxide. Avoid inhalation of exhaust gas. Never run the engine in a closed garage or confined area. To prevent fire hazards, 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 level surface and the ignition switch checks, be sure the pump is in the OFF position. is on a Check the General Condition of the Pump l l l l Look around leaks. and underneath the pump for signs Remove any excessive dirt or debris, muffler, and recoil starter. especially of oil or gasoline around the engine Look for signs of damage. Check that all nuts, bolts, screws, tightened. hose connectors and clamps are 13 BEFORE OPERATION Check the Suction and Discharge Hoses l l l l 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 good condition (see page 17 ). in the suction Check that the hose connectors (see pages 17& 18). and clamps Check that the strainer is in good condition suction hose (see page 17 ). hose connector are securely and is installed is in installed on the Check the Engine l l l Check the oil level (see page 29 ). To avoid the inconvenience of an unexpected shutdown by the Oil Alert@ system, always check the engine oil level before startup. Check the air filter (see page32 ). A dirty air filter will restrict to the carburetor, reducing engine and pump performance. air flow Check the fuel level (see page 27 ). Starting with a full tank will help to eliminate or reduce operating interruptions for refueling. 14 OPERATION 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 SAFETY INFORMATION on page 5 and the chapter titled BEFORE OPERA TION. For your safety, avoid starting or operating the engine in an enclosed area, such as a garage. Your engine’s exhaust contains poisonous carbon monoxide gas which can collect rapidly in an enclosed area and cause illness or death. 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 solutions, or any other liquid that promotes corrosion can damage the pump. 15 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 shown in the tables on pages 57,59 and 61 . The length, type, and size of the suction and discharge hoses can also significantly affect pump output. Discharge head capability capability, so it is important total head. is always for suction greater than suction head head to be the shorter part of Minimizing suction head (placing the pump near the water level) is also very important for reducing self-priming time. Se/f-priming time is the time it takes the pump to bring water the distance of the suction head during initial operation. TOTAL HEAD 16 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 the hoses are short. Use a hose clamp to securely fasten the hose connector hose in order to prevent air leakage and loss of suction. hose connector sealing washer is in good condition. to the suction Verify that the Install the strainer (provided with the pump) on the other end of the suction hose, and secure it with a hose clamp. The strainer will help to prevent the pump from becoming clogged or damaged by debris. Securely tighten the hose connector SUCTION PORT \ on the pump suction SEA/LING WASHER (commercially port. available) HOSE COUPLER (commercially m /SUCTION HOSE (commercially available) HOSE CLAMP HOSE CONNECTOR HOSE CLAMP available) OPERATION DISCHARGE HOSE INSTALLATION HOSE CONNECTOR Use a commercially available hose with the hose connector and clamp provided with the pump. It is best to use a short, largediameter hose, because that will reduce fluid friction and improve pump performance. 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 high pressure. HOSE CLAMP PRIMING THE PUMP Before starting the engine, remove the filler cap from the pump chamber, and completely fill the pump chamber with water. Reinstall the filler cap, and tighten it securely. Operating the pump dry will destroy the pump been operated dry, stop the engine immediately, to cool before priming. PRIMING WATER FILLER CAP 18 seal. If the pump has and allow the pump 1 OPERATION / STARTING THE ENGINE 1. Move the fuel valve lever to the ON position. FUEL VALVE LEVER i i I , i i \ 2. 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 3. Move the throttle lever away from the SLOW position, the way toward the FAST position. THROl-iLE about l/3 of LEVER 19 ! OPERATION 4. Turn the ignition \: switch 5. Pull the starter grip lightly until you feel resistance, Return the starter grip gently. STARTER GRIP 20 \- to the ON position. then pull briskly, OPERATION / 6. 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 for self-priming, and check pump output. lever to the FAST position 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. THROTTLE LEVER , 21 I OPERATION \ .’ \ STOPPING THE ENGINE To stop the engine the OFF position. procedure. in an emergency, Under normal sitiply turn the ignition conditions, use the 1. Move the throttle lever to the SLOW position. I \ 2. Turn the ignition 22 switch to the OFF position. switch to following THROTTLE LEVER OPERATION 3. Turn the fuel valve lever to the OFF position. OFF ’ v- After use, remove the case and cover drain plugs (see page42), 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 I SERVICING YOUR HONQA PUMP THE IMPORTANCE OF MAINTENANCE Good maintenance is essential for safe, economical, operation. It will also help reduce air pollution. and trouble-free 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 inspection and maintenance recommendations and schedules in this owner’s manual. To help you properly care for your pump, the following pages 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 conditions, such as sustained high-load or high-temperature operation, or use in unusually wet or dusty conditions, consult your servicing dealer for recommendations applicable to your individual needs and use. Remember that your servicing dealer knows fully equipped to maintain and repair it. your pump best and is To ensure the best quality and reliability, use only new, Honda parts or their equivalents for repair and replacement. genuine Maintenance, replacement, or repair of emission control devices and systems may be performed by any engine repair establishment or individual, using parts that are “certified” to EPA standards. 24 SERVICING YOUR HONDA 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 seriously hurt or killed. Always follow the procedures and precautions in the owner’s manual. Safety Precautions l Make sure the engine is off before you begin any maintenance repairs. This will eliminate several potential hazards: -Carbon monoxide poisoning from engine exhaust. Be sure there is adequate ventilation whenever you operate engine. -Burns from hot parts. Let the engine and exhaust l the system cool before touching. -Injury from moving parts. Do not run the engine unless instructed l or to do so. Read the instructions before you begin, and make sure you have the tools and skills required. To reduce the possibility of fire or explosion, be careful when working around gasoline. Use only a nonflammable solvent, not gasoline, to clean parts. Keep cigarettes, sparks, and flames away from all fuel-related parts. 25 I SERVICING YOUR HONDA PUiMP MAINTENANCE erform SCHEDULE at every indicated month or operating l Emission-related hour items. * Replace the paper air filter element only. (1) Service more frequently (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, maintenance intervals. 26 when used in dusty areas. log hours of operation to determine proper SERVICING YOUR HONDA PUMP REFUELING Fuel tank capacities 0.95 US gal (3.6 Q ,0.79 Imp gal) WT20X: 1.59 US gal (6.0 Q , 1.32 Imp gal) WT30X: 1.72 US gal (6.5 Q , 1.43 Imp gal) WT40X: 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 explosive. flammable and You can be burned or seriously injured when handling fuel. l l l Stop the engine and keep heat, sparks, and flame away. Handle fuel only outdoors. Wipe up spills immediately. 27 SERVICING YOUR HONDA 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 may reach flames or sparks. Keep gasoline away from appliance pilot lights, barbecues, electric appliances, power tools, etc. Spilled fuel is not only a fire hazard, it causes environmental Wipe up spills immediately. damage. Fuel can damage paint and plastic, Be careful not to spill fuel when filling your fuel tank. Damage caused by spilled fuel is not covered under warranty. FUEL RECOMMENDATIONS Use unleaded gasoline with a pump octane rating of 86 or higher. These engines are certified to operate on unleaded gasoline. Unleaded gasoline produces fewer engine and spark plug deposits and extends exhaust system life. Never use stale or contaminated gasoline Avoid getting dirt or water in the fuel tank. Occasionally you may hear a light (metallic rapping noise) while operating cause for concern. or an oil/gasoline “spark under mixture. knock” or “pinging” heavy loads. This is no 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 servicing dealer. Running the engine engine damage. with Running the engine and the Distributor’s by misuse. with persistent spark knock or pinging is misuse, Limited Warrantydoes not cover parts damaged 28 persistent spark knock or pinging can cause SERVICING YOUR HONDA PUMP ENGINE OIL LEVEL CHECK Check the engine position. oil level with 1. Remove the oil filler cap/dipstick the engine stopped and wipe it clean. 2. Insert and remove the dipstick without screwing Check the oil level shown on the dipstick. it into the filler neck. 3. If the oil level is low, fill to the edge of the oil filler recommended oil (see page 31). 4. Screw in the oil filler cap/dipstick and in a level hole with the securely. OIL FILLER NECK UPPER LIMIT OIL FILLER CAP/DIPSTICK The Oil Alert@ system will automatically stop the engine before the oil level falls below safe limits. However, to avoid the inconvenience of an unexpected shutdown, check the oil level regularly. 29 SERVICING YOUR HONDA PUMP ENGINE OIL CHANGE Drain the used oil while and completely. the engine is warm. Warm oil drains quickly 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, and tighten it securely. then reinstall the drain plug, Please dispose of used motor oil in a manner that is compatible with the environment. We suggest you take used oil in a sealed container to your local recycling center or service station for reclamation. Do not throw it in the trash ,pour it on the ground, or down a drain. 3.With the engine in a level position, fill to the outer edge of the oil filler hole with the recommended oil (see page 31 ). Engine oil capacity:WT20X . .. .. .. .. ... .. .. 0.63 US qt (0.60 Q , 0.53 Imp qt) WT30X/WT40X.. 1.2 US qt (1 .I Q , 1.O Imp qt) The Oil Alert@ system will automatically stop the engine before the oil level falls below the safe limit. However, to avoid the inconvenience of an unexpected shutdown, fill to the upper limit, and check the oil level regularly. 4. Screw in the oil filler cap/dipstick DRAIN PLUG OIL FILLER CAP/DIPSTICK securely. SERVICING YOUR HONDA PUMP ENGINE OIL RECOMMENDATIONS Oil is a major factor affecting performance 4-stroke automotive detergent oil. and service life. Use SAE low-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. SAE Viscosity Grades TEMP -20 c -30 20 0 -20 -10 40 0 60 10 80 20 100°F 30 40°C AMBIENT TEMPERATURE The SAE oil viscosity and service classification the oil container. Honda recommends that category SJ oil. The recommended “C to 40 T). operating are in the API label on you use API SERVICE range of this pump is 23 “F to 104 “F (-5 31 I SERVICING YOUR HONDA PUMP AIR FILTER INSPECTION W3OX and WT4OX type WT207 type 1. Unscrew the wing nut and remove the air cleaner cover. Check the air filter to be sure it is clean and in good condition. 2. If the air filter is dirty, clean it as described on page 33. Replace the air filter if it is damaged. 3. Reinstall the air cleaner cover, and tighten the wing nut securely. CLEANER COVER 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 Warranty. 32 SERVICING YOUR HONDA PUMP AIR FILTER CLEANING A dirty air filter will restrict air flow to the carburetor, performance. If you operate the pump in very dusty air filter more frequently than specified in the SCHEDULE (see page 26 ). reducing engine areas, clean the MAINTENANCE WTPOX type WTBOX and 1. Unscrew the wing nut from the wT4OX type air cleaner cover, and remove the air cleaner cover. 2. Unscrew the wing nut from the air filter, and remove the air filter. 3. Separate the foam and paper :.: air filter elements. Check both &:, filter elements, and replace them if they are damaged. Always replace the paper air filter element every year or 300 hours. Clean the air filter elements if they are to be reused. Paper air filter element: Tap the filter element several times on a hard surface to remove dirt, or blow compressed air [not exceeding 30 psi (270 kPa, 2.1 kg/cm2)] through the filter element from the inside out. Never try to brush off dirt; brushing will force dirt into the fibers. Foam air filter element: Wash in warm, soapy water, then rinse thoroughly, or wash in nonflammable solvent. Allow the filter element to dry thoroughly. Dip the filter element in clean engine oil, then squeeze out all excess oil. The engine will smoke when started if too much oil is left in the filter element. 4. Wipe dirt from the air cleaner base and cover (and silencer if applicable), using a moist rag. 5. Place the foam air filter element over the paper air filter element, and install the assembled air filter. Be sure the gasket is in place beneath the filter. Tighten the wing nut securely. 6. Reinstall the air cleaner cover, and tighten the wing nut securely. 33 SERVICING YOUR HONDA PUiVlP , SEDIMENT CUP CLEANING 1. Move the fuel valve lever to the OFF position, sediment cup and O-ring. Gasoline is highly explosive. flammable then remove the fuel and You can be burned or seriously injured when handling fuel. l l l Stop the engine and keep heat, sparks, and flame away. Handle fuel only outdoors. Wipe up spills immediately. 2. Wash the sediment dry them thoroughly. cup and O-ring 3. Place the O-ring in the fuel valve, Tighten the sediment cup securely. in nonflammable and install 4. Move the fuel valve lever to the ON position, Replace the O-ring if there is any leakage. the sediment and cup. and check for leaks. O-RING 34 solvent, SERVICING YOUR HONDA PUMP SPARK PLUG SERVICE In order to service the spark plug, you will (commercially available). Recommended Incorrect spark plug: need a spark plug wrench BPRGES (NGK) W20EPR-U (DENSO) spark plugs can cause engine damage. 1. Disconnect the spark plug cap, and remove spark plug area. 2. Remove the spark plug with a 13/16-inch any dirt from around the spark plug wrench. SPARK PLUG WRENCH SPARK PLUG CAP 3. Inspect the spark plug. Replace it if the electrodes are worn, or if the insulator is cracked or chipped. Clean the spark plug with a wire brush if you are going to reuse it. I 0.028-0.031 in (0.70-0.80mm) 4.Measure the spark plug electrode gap with a suitable gauge. Correct the gap, if necessary, by carefully bending the side electrode. The gap should be: 0.028-0.031 in (0.70-0.80 mm) 35 SERVICING YOUR HONDA PU,MP 5. Install the spark plug carefully, by hand! to avoid cross-threading. 6.After the spark plug seats, tighten wrench to compress the washer. If reinstalling the used spark spark plug seats. If installing seats. plug, a new spark plug, tighten with tighten a 13/‘16-inch l/8-1/4 l/2 turn spark turn 36 after the after the spark plug A loose spark plug can overheat and damage the engine. Over-tightening the spark plug can damage the threads cylinder head. 7. Attach the spark plug cap. plug in the SERVICING YOUR HONDA PUMP IDLE SPEED ADJUSTMENT 1. Start the engine temperature. outdoors, and allow it to warm up to operating Dry operation will damage the pump seal. Be sure chamber is filled with water before starting the engine. 2. Move the throttle 3. Turn the throttle lever to its slowest the pump position. stop screw to obtain the standard idle speed. Standard idle speed: WT20X: 1,400 % rpm WT30X/WT40X: 1,400 + 150 rpm THROTTLE STOP SCREW 37 SERVICING YOUR HONDA 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 functioning arrester must as designed. be serviced If the engine has been running, muffler to cool before servicing 1. Remove the 5 mm screws the muffler protector. every 100 hours to keep the muffler will be very hot. Allow the spark arrester. from the muffler protector, it the and remove 2. Remove the 4 mm screw from the spark arrester, and remove the spark arrester from the muffler. WTZOX 5 mm SCREW (4) MUFFLER PROTECTOR 4 mm SCREW RK ARRESTER MUFFLER 38 SERVICING YOUR HONDA PUMP wT3OX and W4OX v 5 mm SCREW (4) MUFFLER PROTECTOR SPARK ARRESTER / 5 mm SCREW (211 V-T \ ~ \ ‘3nm SCREW (2) WT4OX type uses two 4 mm screws. MUFFLER’ SPARK ARRESTER 3. Use a brush to remove carbon deposits from screen. Be careful to avoid damaging the screen. The spark arrester must be free of breaks spark arrester if it is damaged. the spark and holes. arrester Replace the SPARK ARRESTER SCREEN 4. Install the spark arrester, muffler reverse order of disassembly. protector, and muffler in the 39 I SERVICING YOUR HONDA PUMP PUMP CASING CLEANING After each use, clean the inside of the pump casing using the following procedure: Removal: 1. Remove the drain plugs from the pump drain the water inside. casing and pump cover to 2. Loosen the pump cover knobs and open the pump cover holders. 3. Remove the pump cover and the volute case from the pump casing, and remove any debris from pump casing and volute case; Installation: 1. Install the O-rings O-rings. on the pump cover, taking care not to damage the 2. Install the pump cover on the pump casing, close the cover holders, and tighten the knobs hand tight. Then, insert a screwdriver shaft in the groove in the knobs and finish tightening the knobs. 3. Install the two drain plugs in the pump cover and pump casing. 4.After tightening the pump cover knobs, check the pump pump casing to ensure that there is no water leakage. cover and PUMP COVER KNOB SCREWDRIVER VER HOLDER CkE 40 DRAIN PLUG PUMP COVER COVER DkAlN PLUG 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 by hand, and be careful to prevent water from entering the air cleaner or muffler opening. Keep water away from controls and all other places that are difficult to dry, as water promotes rust. l l 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. 2. Wipe dry all accessible surfaces. 3. Fill the pump chamber with clean, fresh water, start outdoors, and let it run until it reaches normal temperature to evaporate any external water. Dry operation will damage the pump seal. Be sure chamber is filled with water before starting the engine. the engine operating the pump 41 STORAGE 4. Stop the engine, cool. and allow it to 5. Remove the case drain plug and cover drain plug, and flush the pump with clean, fresh water. Allow the water to drain from the pump chamber, then reinstall the drain plugs. 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 silicone spray lubricant. COVER DRAIN PLUG c&s DRAINPLuo Fuel Gasoline will oxidize and deteriorate in storage. Old gasoline will cause hard starting, and it leaves gum deposits that clog the fuel system. If the gasoline in your engine deteriorates during storage, you may need to have the carburetor and other fuel system components serviced or replaced. 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. The air in a partially filled fuel tank promotes fuel deterioration. Very warm storage/temperatures accelerate fuel deterioration. Fuel deterioration problems may occur within a few months, or even less if the gasoline was not fresh when you filled the fuel tank. The Distributor’s Limited Warranty does not cover fuel system damage or engine performance problems resulting from neglected storage preparation. You can extend fuel storage life by adding a fuel stabilizer that is formulated for that purpose, or you can avoid fuel deterioration problems by draining the fuel tank and carburetor. 42 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 following the manufacturer’s instructions. 2. After adding a fuel stabilizer, run the engine outdoors for 10 minutes to be sure that treated gasoline has replaced the untreated gasoline in the carburetor. Dry operation will damage the pump seal. Be sure chamber is filled with water before starting the engine. 3. Stop the engine, the pump and move the fuel valve lever to the OFF position. 43 I STORAGE Draining the Fuel Tank and Carburetor 1. Place an approved gasoline container a funnel to avoid spilling fuel. below the carburetor, 2. Remove the carburetor drain bolt and sediment fuel valve lever to the ON position. Gasoline is highly explosive. flammable and use cup, then move the and You can be burned or seriously injured when handling fuel. l l l Keep heat, sparks, and flame away. Handle fuel only outdoors. Wipe up spills immediately. DRAIN BOLT SEDIMENT 3.After all the fuel has drained into the container, bolt and sediment cup. Tighten them securely. 44 reinstall CUP the drain STORAGE Engine Oil 1. Change the engine oil (see page30 1. 2. Remove the spark plug (see page 35 1. 3. Pour a tablespoon (5- 10 cc) of clean engine oil into the cylinder. 4. Pull the starter grip several times to distribute 5. Reinstall the oil in the cylinder. the spark plug. 6. Pull the starter grip slowly until resistance is felt and the notch on the starter pulley aligns with the hole at the top of the recoil starter cover. This will close the valves so moisture cannot enter the engine cylinder. Return the starter grip gently. iIter. Change engine oil. Refer to the maintenance schedule on page 26.
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