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Honda WH15, Owner'S Manual

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Honda WH15 Owner'S Manual Download Page 40

38

SERVICING YOUR PUMP

SPARK PLUG SERVICE

For USA:
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.

For good performance, the spark plug must be properly gapped and free of 
deposits.

Allow the engine to cool before servicing the spark plug.

1. Disconnect the spark plug cap, and remove any dirt from around the spark 

plug area.

2. Remove the spark plug with a 13/16-inch spark plug wrench.

SPARK PLUG CAP

SPARK PLUG WRENCH

31YH66120.book  38 ページ  ２０２１年１月２０日　水曜日　午後８時３２分

Summary of Contents for WH15

Page 1: ...C 2021 Honda Motor Co Ltd All Rights Reserved Owner s Manual WATER PUMP Printed in Thailand AH Hi EM3 Includes US and Canadian Models 31YH6612 00X31 YH6 6120 WH15XT 20XT PANTONE 186C BK WH15XT 20XT...

Page 2: ...ny 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 eff...

Page 3: ...ranty U S Distributor s Warranty CA to fully understand its coverage and your responsibilities of ownership The Distributor s Limited Warranty U S Distributor s Warranty CA is a separate document that...

Page 4: ...mp You must use your own good judgment You will find important safety information in a variety of forms including Safety Labels on the pump Safety Messages preceded by a safety alert symbol and one of...

Page 5: ...the Pump 16 Check the Suction and Discharge Hoses 16 Check the Engine 16 OPERATION 17 SAFE OPERATING PRECAUTIONS 17 PUMP PLACEMENT 18 SUCTION HOSE INSTALLATION 19 DISCHARGE HOSE INSTALLATION 20 PRIMI...

Page 6: ...OF UNEXPECTED PROBLEMS 50 ENGINE 50 Engine Will Not Start 50 Engine Lacks Power 50 PUMP 51 No Pump Output 51 Low Pump Output 51 TECHNICAL INFORMATION 52 Serial Number Locations 52 Carburetor Modifica...

Page 7: ...tions Be sure that anyone who operates the pump receives proper instruction Do not let children operate the pump Keep children and pets away from the area of operation Pump Operation Pump only water t...

Page 8: ...tains poisonous carbon monoxide gas which you cannot see or smell Breathing carbon monoxide can KILL YOU IN MINUTES For your safety Do not start or operate the engine in any closed or partially enclos...

Page 9: ...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 WH15XT USA and Canadian...

Page 10: ...8 PUMP SAFETY WH20XT USA type 31YH66120 book 8...

Page 11: ...9 PUMP SAFETY WH20XT Canadian type Canadian type only French labels come with the water pump 31YH66120 book 9...

Page 12: ...UG MUFFLER CARRYING HANDLE FUEL TANK CAP CHOKE LEVER AIR CLEANER THROTTLE LEVER STRAINER PRIMING WATER FILLER CAP DISCHARGE PORT OIL FILLER CAP PUMP DRAIN PLUG IGNITION SWITCH HOSE CONNECTOR Commercia...

Page 13: ...EL TANK CAP CHOKE LEVER AIR CLEANER THROTTLE LEVER STRAINER PRIMING WATER FILLER CAP DISCHARGE PORT OIL FILLER CAP PUMP DRAIN PLUG HOSE CONNECTOR Commercially available SUCTION PORT HOSE CLAMP STARTER...

Page 14: ...NK CAP CHOKE LEVER AIR CLEANER THROTTLE LEVER STRAINER PRIMING WATER FILLER CAP DISCHARGE PORT OIL FILLER CAP PUMP DRAIN PLUG HOSE CONNECTOR Commercially available SUCTION PORT HOSE CLAMP STARTER GRIP...

Page 15: ...nition Switch The ignition switch controls the ignition system The ignition switch must be in the ON position for the engine to run Turning the ignition switch to the OFF position stops the engine Cho...

Page 16: ...controlled by adjusting the throttle lever At the FAST position the pump will deliver the highest output volume Moving the throttle lever toward the SLOW position will decrease the output volume of t...

Page 17: ...e 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 correc...

Page 18: ...tion hose and discharge hose connectors are in good condition see pages 19 and 20 Check that the hose connectors and clamps are securely installed see pages 19 and 20 Check that the strainer is in goo...

Page 19: ...ains poisonous carbon monoxide gas that can collect rapidly in an enclosed area and cause illness or death Pump only fresh water that is not intended for human consumption Pumping flammable liquids su...

Page 20: ...ays greater than suction head capability so it is important for suction head to be the shorter part of total head The maximum available suction head will vary based on the operating conditions However...

Page 21: ...tion port 3 Install the suction hose to the hose connector Use a hose clamp to securely fasten the suction hose to the hose connector in order to prevent air leakage and loss of suction 4 Install the...

Page 22: ...Use a hose clamp to securely fasten the discharge hose to prevent the discharge hose from disconnecting from the hose connector under high pressure It is best to use a short large diameter hose becau...

Page 23: ...mediately and allow the pump to cool before priming If the discharge hose must run across a roadway the hose should cross the roadway perpendicular to traffic flow Also heavy boards should be placed n...

Page 24: ...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 4 Move the throttle lever away from the SLOW position about 1 3 o...

Page 25: ...f the arrow as shown below Do not allow the recoil starter grip to snap back against the engine Return it gently to prevent damage to the starter 7 If the choke lever was moved to the CLOSED position...

Page 26: ...position for self priming and check pump output Pump output is controlled by adjusting engine speed Moving the throttle lever in the FAST direction will increase pump output and moving the throttle l...

Page 27: ...gency 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 2 Turn the ignition switch to the OFF posit...

Page 28: ...he pump drain plug see page 43 and drain the pump chamber Remove the priming water filler cap and flush the pump chamber with clean fresh water Allow the water to drain from the pump chamber and then...

Page 29: ...e operation or use in unusually wet or dusty conditions consult your servicing dealer for recommendations applicable to your individual needs and use Remember that an authorized Honda servicing dealer...

Page 30: ...s from hot parts Let the engine and exhaust system cool before touching Injury from moving parts Do not run the engine unless instructed to do so Read the instructions before you begin and make sure y...

Page 31: ...le failures Each use First month or 20 Hrs Every 3 months or 50 Hrs Every 6 months or 100 Hrs Every year or 300 Hrs Refer to page Engine oil Check level o 32 Change o o 33 Air cleaner Check o 35 Clean...

Page 32: ...o cool Refuel carefully to avoid spilling fuel Do not fill the fuel tank above the maximum fuel level see page 31 Never refuel the engine inside a building where gasoline fumes may reach flames or spa...

Page 33: ...osolvents and corrosion inhibitors Use of fuels with content of ethanol or methanol greater than shown above may cause starting and or performance problems It may also damage metal rubber and plastic...

Page 34: ...evel If it is below the upper limit fill with the recommended oil see page 34 to the upper limit 3 Reinstall the oil filler cap securely Running the engine with a low oil level can cause engine damage...

Page 35: ...Improper disposal of engine oil can be harmful to the environment If you change your own oil please dispose of the used oil properly Put it in a sealed container and take it to a recycling center Do...

Page 36: ...ds the requirements for API service category SJ or later or equivalent Always check the API service label on the oil container to be sure it includes the letters SJ or later or equivalent SAE 10W 30 i...

Page 37: ...cover Be sure all the parts shown below are in place Tighten the wing nut securely Operating the engine without an air filter or with a damaged air filter will allow dirt to enter the engine causing...

Page 38: ...ers Replace the air filter if it is excessively dirty 2 Wipe dirt from the air cleaner base and cover using a moist rag Be careful to prevent dirt from entering the air duct that leads to the carburet...

Page 39: ...ighten the sediment cup securely 4 Move the fuel valve lever to the ON position and check for leaks Gasoline is highly flammable and explosive You can be burned or seriously injured when handling fuel...

Page 40: ...ncorrect spark plugs can cause engine damage For good performance the spark plug must be properly gapped and free of deposits Allow the engine to cool before servicing the spark plug 1 Disconnect the...

Page 41: ...void 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...

Page 42: ...d every 100 hours to keep it functioning as designed If the engine has been running the muffler will be very hot Allow the muffler to cool before servicing the spark arrester MUFFLER PROTECTOR 5 mm SE...

Page 43: ...ster screen Be careful to avoid damaging the screen The spark arrester must be free of breaks and holes Replace the spark arrester if it is damaged 5 Install the spark arrester muffler protector and m...

Page 44: ...omotes rust 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 th...

Page 45: ...h 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 li...

Page 46: ...n 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 complet...

Page 47: ...e sure that it contains only fresh gasoline If it takes more than 3 months to use the fuel in your storage container we suggest adding a fuel stabilizer to the fuel when you fill the container 2 After...

Page 48: ...lockwise and drain the fuel in the carburetor 3 Remove the sediment cup and then move the fuel valve lever to the ON position and drain the fuel in the fuel tank Gasoline is highly flammable and explo...

Page 49: ...counterclockwise 3 After all fuel has drained tighten the carburetor drain bolt securely move the fuel valve lever to the OFF position Engine Oil Change the engine oil see page 33 Engine Cylinder 1 R...

Page 50: ...leakage 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 me...

Page 51: ...t 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...

Page 52: ...rk plug wet with fuel flooded engine Dry and reinstall spark plug Start engine with throttle lever in FAST position Fuel filter clogged carburetor malfunction ignition malfunction valves stuck etc Tak...

Page 53: ...0 Strainer clogged Clean debris from strainer Excessive head Relocate pump and or hoses to reduce head see page 18 Engine lacks power See page 50 Possible Cause Correction Throttle lever not in the FA...

Page 54: ...rchase in the spaces below You will need this information when ordering parts and when making technical or warranty inquiries see page 61 Engine serial number Frame serial number Date of purchase ENGI...

Page 55: ...this carburetor modification This engine when operated at high altitude with the carburetor modifications for high altitude use will meet each emission standard throughout its useful life Even with c...

Page 56: ...to reduce evaporative emissions The U S and California Clean Air Acts and Environment and Climate Change Canada ECCC U S EPA California and Canadian regulations require all manufacturers to furnish w...

Page 57: ...mparable EPA certified parts and have service performed at non Honda locations However the use of replacement parts that are not of the original design and quality may impair the effectiveness of your...

Page 58: ...tion The durability description is intended to provide you with information relating to the engine s emission durability period The descriptive term indicates the useful life period for the engine s e...

Page 59: ...ty whichever is longer from the original date of delivery to the retail purchaser This warranty is transferable to each subsequent purchaser for the duration of the warranty period Warranty repairs wi...

Page 60: ...apacity 0 53 US gal 2 0 L Cooling system Forced air Ignition system Transistor magneto PTO shaft rotation Counterclockwise Spark plug gap 0 028 0 031 in 0 7 0 8 mm See page 39 Idle speed 1 400 200 rpm...

Page 61: ...qt 0 58 L Fuel tank capacity 0 82 US gal 3 1 L Cooling system Forced air Ignition system Transistor magneto PTO shaft rotation Counterclockwise Spark plug gap 0 028 0 031 in 0 7 0 8 mm See page 39 Id...

Page 62: ...oncessionaire Honda Publications Shop Manual This manual covers complete maintenance and overhaul procedures It is intended to be used by a skilled technician For USA Available through your Honda deal...

Page 63: ...Customer Relations Office You can write to American Honda Motor Co Inc Power Equipment Division Customer Relations Office 4900 Marconi Drive Alpharetta Georgia 30005 8847 Telephone 770 497 6400 M F 9...

Page 64: ...62 MEMO 31YH66120 book 62...

Page 65: ...63 MEMO 31YH66120 book 63...

Page 66: ...64 MEMO 31YH66120 book 64...

Page 67: ...ny 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 eff...

Page 68: ...C 2021 Honda Motor Co Ltd All Rights Reserved Owner s Manual WATER PUMP Printed in Thailand AH Hi EM3 Includes US and Canadian Models 31YH6612 00X31 YH6 6120 WH15XT 20XT PANTONE 186C BK WH15XT 20XT...

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