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Summary of Contents for Honda WT40
- Page 1 Owner , s Manual WATER PUMP WT20X・WT30X・WT40X 2021 Honda Motor Co., Ltd. -All Rights Reserved...
- Page 2 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 whatsoever.
- Page 3 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.
- 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 labels and in this manual. This information alerts you to potential hazards that could hurt you or others.
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Page 5: Table Of Contents
CONTENTS PUMP SAFETY ....................5 IMPORTANT SAFETY INFORMATION................5 SAFETY LABEL LOCATIONS....................7 CONTROLS & FEATURES................... 8 COMPONENT & CONTROL LOCATIONS ................8 CONTROLS..........................9 Fuel Valve Lever........................9 Ignition Switch........................9 Choke Lever ......................... 9 Throttle Lever........................10 Recoil Starter Grip......................10 FEATURES ..........................10 Oil Alert®... - Page 6 Serial Number Location......................51 Carburetor Modification for High Altitude Operation ..........52 EMISSION CONTROL SYSTEM INFORMATION.............53 Air Index ...........................55 EMISSION CONTROL SYSTEM WARRANTY..............56 Specifications .........................57 CONSUMER INFORMATION................60 Dealer Locator Information..................60 Honda Publications......................60 Customer Service Information ..................61 QUICK REFERENCE INFORMATION ........Inside back cover...
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Page 7: Pump Safety
PUMP SAFETY IMPORTANT SAFETY INFORMATION Honda WT20X, WT30X, and WT40X pumps are designed to pump only fresh 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. - Page 8 PUMP SAFETY Fire and Burn Hazards • The exhaust system gets hot enough to ignite some materials. – Keep the pump at least 3 feet (1 meter) away from buildings and other equipment during operation. – Do not enclose the pump in any structure. –...
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Page 9: Safety Label Locations
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 your servicing dealer for a replacement. -
Page 10: Controls & Features
CONTROLS & FEATURES COMPONENT & CONTROL LOCATIONS <Example: WT20X> AIR CLEANER THROTTLE LEVER CHOKE LEVER FUEL VALVE LEVER OIL FILLER CAP STARTER GRIP WRENCH OIL DRAIN PLUG PRIMING WATER FILLER CAP FUEL TANK CAP MUFFLER IGNITION SWITCH SUCTION PORT DISCHARGE PORT STRAINER PUMP COVER KNOB PUMP DRAIN PLUG... -
Page 11: Controls
CONTROLS & FEATURES CONTROLS Fuel Valve Lever The fuel valve opens and closes the FUEL VALVE LEVER 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... -
Page 12: Throttle Lever
CONTROLS & FEATURES Throttle Lever THROTTLE LEVER The throttle lever controls engine speed. Moving the throttle lever in the directions shown makes the engine run faster or slower. FAST Pump output is controlled by adjusting the throttle lever. At maximum throttle position, the pump SLOW will deliver the highest output volume. -
Page 13: 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. -
Page 14: Is Your Pump Ready To Go
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. -
Page 15: Check The Suction And Discharge Hoses
BEFORE OPERATION 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. •... -
Page 16: Operation
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 OPERATION. -
Page 17: Pump Placement
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. The length, type, and size of the suction and discharge hoses can also significantly affect pump output. -
Page 18: Suction Hose Installation
OPERATION SUCTION HOSE INSTALLATION Use a commercially available hose and hose connector with the hose clamp provided with the pump (if necessary). Most hoses come with the connectors already installed. The suction hose must be reinforced with a noncollapsible wall or braided wire construction and cannot contain any perforations. The suction hose should be no longer than necessary. -
Page 19: Discharge Hose Installation
OPERATION DISCHARGE HOSE INSTALLATION Use a commercially available hose and hose connector and clamp provided with the pump (if necessary). It is best to use a short, large-diameter hose, because this will reduce fluid friction and improve pump performance. A long or small-diameter hose will increase fluid friction and reduce pump output. -
Page 20: Priming The Pump
OPERATION 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. Priming water capacity: WT20X: 3.70 US gal (14.0 L) WT30X, WT40X: 3.96 US gal (15.0 L) Operating the pump dry will destroy the pump seal. -
Page 21: Starting The Engine
OPERATION STARTING THE ENGINE 1. Move the fuel valve lever to the ON position. FUEL VALVE LEVER 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 CLOSED 3. - Page 22 OPERATION 4. Turn the ignition switch to the ON position. IGNITION SWITCH 5. Pull the starter grip lightly until you feel resistance, and then pull briskly in the direction of the arrow as shown below. Return the starter grip gently. Direction to pull STARTER GRIP...
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Page 23: Setting Engine Speed
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. CHOKE LEVER OPEN SETTING ENGINE SPEED After starting the engine, move the throttle lever to the FAST position for self- priming, and check pump output. -
Page 24: Stopping The Engine
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. THROTTLE LEVER SLOW 2. Turn the ignition switch to the OFF position. 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 page 40), and drain the pump chamber. Remove the filler cap, and flush the pump chamber with clean, fresh water.
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Page 26: Servicing Your Pump
Remember that your servicing dealer knows your pump best and is fully equipped to maintain and repair it. To ensure the best quality and reliability, use only new, Honda Genuine parts or their equivalents for repair and replacement. 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’’... -
Page 27: Maintenance Safety
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. -
Page 28: Maintenance Schedule
(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 the Honda shop manual for service procedures. See ‘‘Honda Publications’’ on page 60 for ordering information. -
Page 29: Refueling
SERVICING YOUR PUMP REFUELING Remove the fuel tank cap and check the fuel level. If the fuel level is low, refuel in a well-ventilated area with the engine stopped. If the engine has been running, allow it to cool first. Never refuel the engine inside a building where gasoline fumes can reach flames or sparks. -
Page 30: Fuel Recommendations
SERVICING YOUR PUMP Spilled fuel is not only a fire hazard, it causes environmental damage. Wipe up spills immediately. 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 the Distributor’s Limited Warranty. -
Page 31: Engine Oil Level Check
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. 2. Check the oil level. If it is below the upper limit, fill with the recommended oil (see page 31) to the upper limit . -
Page 32: Engine Oil Change
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, and then remove the oil filler cap, drain plug, and sealing washer. 2. -
Page 33: Servicing Your Pump (Continued)
The SAE oil viscosity and service category are in the API label on the oil container. Honda recommends that you use API SERVICE category SJ or later (or equivalent) oil. -
Page 34: Air Filter Inspection
SERVICING YOUR PUMP AIR FILTER INSPECTION 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. -
Page 35: Air Filter Cleaning
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. - Page 36 SERVICING YOUR PUMP 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.
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Page 37: 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, O-ring and filter. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. •... -
Page 38: Spark Plug Service
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. For good performance, the spark plug must be properly gapped and free of deposits. - Page 39 SERVICING YOUR PUMP 5. Install the spark plug carefully, by hand, to avoid cross-threading. 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 1/8–1/4 turn after the spark plug seats.
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Page 40: Spark Arrester Service (Optional Part)
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 hours to keep it functioning as designed. - Page 41 SERVICING YOUR PUMP WT30X and WT40X 5 mm SCREW (4) MUFFLER PROTECTOR SPARK ARRESTER 4 mm SCREW 5 mm SCREW (2) 4 mm SCREW (2) WT40X type MUFFLER uses two 4 mm screws. SPARK ARRESTER 3. Use a brush to remove carbon deposits from the spark arrester screen. Be careful to avoid damaging the screen.
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Page 42: Pump Casing Cleaning
SERVICING YOUR PUMP PUMP CASING CLEANING After each use, clean the inside of the pump casing using the following procedure: Removal: 1. Remove the drain plug from the pump cover using the wrench to drain the water inside. WRENCH WRENCH DRAIN PLUG 2. - Page 43 SERVICING YOUR PUMP Installation: 1. Install the O-ring on the pump cover, taking care not to damage the O-ring. 2. Install the pump cover on the pump casing, and tighten the knobs hand tight. Then, set the wrench to the knobs and finish tightening the knobs evenly.
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Page 44: Storage
STORAGE STORAGE PREPARATION Proper storage preparation is essential for keeping your pump trouble-free 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. -
Page 45: Fuel
STORAGE 4. Stop the engine, and allow it to cool. 5. Remove the drain plug, and flush the pump with clean, fresh water. Allow the water to drain from the pump chamber, and 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. - Page 46 STORAGE Adding a Fuel Stabilizer to Extend Fuel Storage Life Short Term Storage (30–90 days) If your equipment will not be used for 30–90 days, we recommend the following to prevent fuel-related problems: 1. Add fuel stabilizer following the manufacturer’s instructions. When adding a fuel stabilizer, fill the fuel tank with fresh gasoline.
- Page 47 STORAGE Long Term or Seasonal Storage (greater than 90 days) Draining the Fuel Tank and Carburetor 1. Place an approved gasoline container below the carburetor, and use a tray to avoid spilling fuel. 2. Move the fuel valve lever to the OFF position, Loosen the carburetor drain bolt by turning 1 to 2 turns counterclockwise and drain the fuel from the carburetor.
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Page 48: Engine Oil
STORAGE 4. After all fuel has drained into the container, tighten the carburetor drain bolt securely. 5. Reinstall a new O-ring and sediment cup. 6. Move the fuel valve lever to the OFF position. Engine Oil Change the engine oil (see page 30). Engine Cylinder 1. -
Page 49: Storage Precautions
STORAGE STORAGE PRECAUTIONS If your pump will be stored with gasoline in the fuel tank and carburetor, it is important to reduce the hazard of gasoline vapor ignition. Select a well- ventilated storage area away from any appliance that operates with a flame, such as a furnace, water heater, or clothes dryer. -
Page 50: Transporting
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. -
Page 51: Taking Care Of Unexpected Problems
TAKING CARE OF UNEXPECTED PROBLEMS ENGINE Engine Will Not Start Possible Cause Correction Fuel valve OFF. Move fuel valve lever to ON position. Choke open. Move choke lever to CLOSED position unless engine is warm. Ignition switch OFF. Turn ignition switch to ON. Out of fuel. -
Page 52: Pump
TAKING CARE OF UNEXPECTED PROBLEMS PUMP No Pump Output Possible Cause Correction Pump not primed. Prime pump (p. 18) Hose collapsed, cut or punctured. Replace suction hose (p. 16). Strainer not completely underwater. Sink the strainer and the end of the suction hose completely underwater. -
Page 53: Technical Information
TECHNICAL INFORMATION Serial Number Location ENGINE SERIAL NUMBER FRAME SERIAL NUMBER Record the engine and frame serial numbers and date of purchase in the spaces below. You will need these serial numbers when ordering parts and when making technical or warranty inquiries (see page 61). Engine serial number: Frame serial number: Date of purchase:... -
Page 54: Carburetor Modification For High Altitude Operation
TECHNICAL 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 55: Emission Control System Information
Carbon monoxide does not react in the same way, but it is toxic. Honda utilizes appropriate air/fuel ratios and other emissions control systems to reduce the emissions of carbon monoxide, oxides of nitrogen, and hydrocarbons. - Page 56 Honda recommends that you retain all receipts covering maintenance on your power equipment engine, but Honda cannot deny warranty coverage solely for the lack of receipts or for your failure to ensure that all scheduled maintenance has been completed.
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Page 57: Air Index
TECHNICAL INFORMATION Air Index (Models certified for sale in California) An Air Index Information 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 engines. -
Page 58: Emission Control System Warranty
TECHNICAL INFORMATION EMISSION CONTROL SYSTEM WARRANTY Your Honda Power Equipment engine is designed, built, and equipped to meet the U.S. EPA, Environment Canada, and California Air Resources Board (models certified for sale in California only) emission standard for spark ignited engines. -
Page 59: Specifications
TECHNICAL INFORMATION Specifications WT20X Dimensions and weight Length 24.4 in (620 mm) Width 18.1 in (460 mm) Height 18.3 in (465 mm) Dry mass [weight] 104 lbs (47 kg) Engine design and performance Model GX160T2 Engine type 4-stroke, overhead valve, single cylinder Displacement 9.9 cu-in (163 cm [bore×stroke]... - Page 60 TECHNICAL INFORMATION WT30X Dimensions and weight Length 26.0 in (660 mm) Width 19.5 in (495 mm) Height 20.3 in (515 mm) Dry mass [weight] 134 lbs (61 kg) Engine design and performance Model GX270T2 Engine type 4-stroke, overhead valve, single cylinder Displacement 16.5 cu-in (270 cm [bore×stroke]...
- Page 61 TECHNICAL INFORMATION WT40X Dimensions and weight Length 28.9 in (735 mm) Width 21.1 in (535 mm) Height 22.2 in (565 mm) Dry mass [weight] 172 lbs (78 kg) Engine design and performance Model GX390T2 Engine type 4-stroke, overhead valve, single cylinder Displacement 23.7 cu-in (389 cm [bore×stroke]...
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Page 62: Consumer Information
CONSUMER INFORMATION Dealer Locator Information To find an authorized Honda Servicing Dealer anywhere in the United States: Visit our website: http://powerequipment.honda.com/dealer-locator Honda Publications Shop Manual This manual covers complete maintenance and overhaul procedures. It is intended to be used by a skilled technician. -
Page 63: Customer Service Information
Almost all problems are solved in this way. If you are dissatisfied with the decision made by the dealership’s management, contact the Honda Power Equipment Customer Relations Office. You can write American Honda Motor Co., Inc. Power Equipment Division... - Page 64 MEMO...
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Page 67: Quick Reference Information
QUICK REFERENCE INFORMATION Regular unleaded gasoline with an ethanol content of no more than Fuel Type 10% and a pump octane rating of 86 or higher (see page 28) SAE 10W-30, API SJ or later (or equivalent), for general use (page 31) Engine Oil Type... - Page 68 WT20X・WT30X・WT40X *00X31YG0 6130* AH 英 31YG0613 00X31-YG0-6130 Printed in Japan 00X31YG0 6130...