Honda Power Equipment WB20X manual

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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 specifi cations included in this pub lication were in effect at the time of approval fo r printing. Honda Motor Co., Ltd. reserves the right[...]

1 INTRODUCT ION Congratulations on your selection of a Honda water pump. We are certain you will be pleased with your purchase o f one of the f inest water pumps on the market. We want to help you get the be st results from your new water pump and to operate it safely. Th is manual contains the info rmation on how to do that; please read it careful[...]

2 INTRODUCTION A FEW WORDS ABOUT SAFETY Safety Labels Safety Messages Safety Headings Safety Section Instructio ns 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 [...]

3 CON TENTS .......................................................................................... PUMP SAFETY . 5 ................................................................................................ CONTROLS . 8 ............................................................................. BEFORE OPERATION . 13 .....................[...]

4 CONTENTS SERVICING YOUR PUMP (continued) ................................................................................................ STORAGE . 38 ..................................................................................... TRANSPORTING . 44 ..................................... TAKING CARE OF UNEXPECTED PROBLEMS . 45 ...............[...]

5 IMPORTANT SAFETY INFORMATION Operator Responsibility Pump Operati on Refuel With Care PUMP SAFETY 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. It is the operator’s responsibility to provide the n[...]

6 PUMP SAFETY Hot Exhaust Carbon Monoxide Hazard The muffler becomes very hot during operation and rem ains 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[...]

7 PUMP SAFETY SAFETY LABEL LOCATIONS PUMP CAUTION LABEL The labels shown here contain important safety information. Please read them carefully. These labels are considered permanent parts of your pump. If a label co mes off or beco mes hard to read, contact an authorized Honda servicing dealer for a replacem ent. 09/01/21 16:27:55 31YG3600_008[...]

＜＞ 8 COMPONENT & CONTROL LOCATIONS WB20X CONTROLS THROTTLE LEVER IGNITION SWITCH SUCTION PORT OIL DRAIN PLUG DISCHARGE PORT MUFFLER PUMP DRAIN CAP FUEL FILLER CAP CHOKE LEVER OIL FILLER CAP/DIPSTIC K STRAINER PRIMING WATE R FILLER CAP AIR CLEANER FRAME FUEL VALVE LEVER RECOIL STARTE R GRIP 07/04/28 15:53:03 31YG3600_009[...]

＜＞ 9 CONTROLS THROTTLE LEVER IGNITION SWITCH SUCTION PORT OIL DRAIN PLUG DISCHARGE PORT MUFFLER PUMP DRAIN CAP FUEL FILLER CAP CHOKE LEVER OIL FILLER CAP/DIPSTIC K STRAINER PRIMING WATE R FILLER CAP AIR CLEANER FRAME FUEL VALVE LEVER RECOIL STARTE R GRIP WB30X 07/04/28 15:53:10 31YG3600_010[...]

10 CONTROLS CONTROLS Fuel Valve Lever Ignition Switch FUEL VALVE LEVER OFF ON ON IGNITION SWITCH O O F F F F 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 positio n to prevent carburetor flooding and to reduce the possibility of fuel leakage. The ignition [...]

11 CONTROLS Choke Lever Throttle Lever OPEN CHOKE LEVER FAST THROTTLE LEVER C C L L O O S S E E D D SLOW The choke lever opens and closes the choke valve in the carburetor. The CLOSED pos ition enriche s the fuel mixture for starting a cold engine. The OPEN position provides the correct fuel mixture for operation after starting, and for restarting [...]

12 CONTROLS Recoil Starte r Grip RECOIL STARTE R GRIP Pulling the recoil sta rter grip operates the recoi l starter to crank the engine. 07/04/28 15:53:35 31YG3600_013[...]

13 BEFORE OPERAT ION ARE YOU READY TO GET STARTED? Knowledge Your safety is your responsibility. A little time spent in preparation will significantly reduce your risk of injury. Read and understand this manual. Know what the controls do and how to operate them. Familiarize yourself with the pump and its operation be fore you begin pumping. Know wh[...]

14 BEFORE OPERATION IS YOUR PUMP READY TO GO? Check the General Condition of the Pump For your safety, and to maximize the service life of your equipment, it is very important to take a few m oments before you operate the pump to check its condition. Be sure to take care of any problem you find, or have your servicing dealer corr ect it, before you[...]

15 BEFORE OPERATION Check the Suction and Dischar ge Hoses Check the Engine Check the general conditi on of the hoses. Be s ure the hoses are in serviceable condition before connectin g 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 connect[...]

16 OPERA TION SAFE OPERATING PRECAUTIONS To safely realize the full potential of this pump, you need a complete understanding of its op eration and a c ertain amount of practice with its controls. Before opera ting the pump for the first time, please review the IMPORTANT SAFETY INFORMATION on page and the chapter titled BEFORE OPERATION . For your [...]

17 OPERATION PUMP PLACEMENT SUCTION HEAD DISCHARGE HEAD T T O O T T A A L L H H E E A A D D For best pump performance, place the pump near the water level, and use hoses that are no longer than necessary. That w ill enable the pump to produce the greatest output with the least self-priming time. As head (pumping height) increases, pump output de cr[...]

18 OPERATION SUCTION HOSE INSTALLATION SUCTION HOSE HOSE COUPLER HOSE CLAMP SUCTION HOSE SUCTION PORT S S E E A A L L I I N N G G W W A A S S H H E E R R HOSE CLAMP RING HOSE CLAMP HOSE CONNECTOR (commercially available) HOSE CONNECTOR (commercially available) HOSE CLAMP STRAINER Securely tighten the hose connector on the pump suction port. Install[...]

19 OPERATION DISCHARGE HOSE INSTALLATION PRIMING THE PUMP DISCHARGE HOSE PRIMING WATER FILLE R CAP HOSE CONNECTOR HOSE CLAMP Use a commercia lly available hose and hose connector, and clamp provided with the pump. It is best to use a short, large-dia- meter h ose, becau se th at wi ll reduce fluid fric tion and improve pump output. A long or small-[...]

20 OPERATION STARTING THE ENGINE F F U U E E L L V V A A L L V V E E L L E E V V E E R R ON CHOKE LEVER CLOSED THROTTLE LEVER S S L L O O W W Move the throttle lever away from the S LOW position about 1/ 3 of the way toward the FAST position. To re start a warm en gine, l eave the chok e lever i n the OPE N posi tion. To start a cold engi ne, m ove[...]

21 OPERATION ON IGNITION SWITCH RECOIL STARTE R GRIP Turn the ignition switch to the ON position. Pull the recoil starter grip lightly until resistance is felt, then pull it briskly. Do not allow the recoil star ter grip to snap back against the engine. Return it gently to prevent damage to the star ter. 5. 6. 07/04/28 15:54:51 31YG3600_022[...]

22 OPERATION SETTING ENGINE SPEED OPEN CHOKE LEVER FAST SLOW THROTTLE LEVER If the choke lever was moved to the CLOSED position to start the engine, gradually move it to the OPEN pos ition as the engine w arms up. After starting the engine, move the throttle lever to the FAST position for self-priming, and check pump output. Pump output is controll[...]

23 OPERATION STOPPING THE ENGINE THROTTLE LEVER SLOW IGNITION SWITCH O O F F F F To stop the engine in an emergency, simply turn the ignition switch to the OFF position. Under normal condi tions, use the foll owing procedure. Move the throttle lever to the SLOW position. Turn the ignition switch to the OFF position. 1. 2. 07/04/28 15:55:06 31YG3600[...]

24 OPERATION FUEL VALVE LEVER OFF Turn the fuel valve lever to the OFF position. After use, remove the pump dr ain plug (see page ), and drain the pump chamber. Remove the filler cap, and flush the pump chamber with clean, fre sh water. Allow the water t o drain from the pump chamber, then reinstall the filler cap and drain plug. 3. 39 07/04/28 15:[...]

25 SERVICING YOUR P UMP THE IMPORTANCE OF MAINTENANCE Maintenance, replacement, or repair of emission control devices and systems may be performed by any engine repair establishment or individual, using parts that ar e ‘‘certified’’ to EPA st andards. Good maintenance is essential for saf e, economical, and trouble-free operation. It will a[...]

− − − 26 SERVICING YOUR PUMP MAINTENANCE SAFETY Safety Precautions Carbon monoxide poisoning from engine exhaust . Burns from h ot parts. Injury from moving part s. Some of the most important safety precautions follow. However, w e cannot warn you of every conceivable hazard that can ar ise in performing maintenance. Only you can decide wheth[...]

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 27 SERVICING YOUR PUMP MAINTENANCE SCHEDULE ITEM REGULAR SERVICE PERIOD (3) Perform at every indicated month or operating hour interval, whichever comes first. Engine oil Air cleaner Sediment cup Spark plug Spark arrester (optional part) Fuel tank and filter Idle speed Valve clearance Comb[...]

28 SERVICING YOUR PUMP REFUELING MAXIMUM FUEL LEVEL FUEL TANK TOP 1i n c h (25 mm) With the engine stopped and on a level surface, remove the fuel tank cap and check the fuel level. Refill the tank if the fuel level is low. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. Stop the engine and kee[...]

29 SERVICING YOUR PUMP FUEL RECOMMENDATIONS Use unleaded gasoline with a pump octane r ating of 86 or higher. Never refuel the engine inside a building where gasoline fumes m ay reach flames or sparks. Keep gasoline a way from a ppliance pilo t lights, barbecues, electric appliances, power tools, etc. Spilled fuel is not only a fire hazard, it caus[...]

30 SERVICING YOUR PUMP ENGINE OIL LEVEL CHECK OIL FILLER NECK OIL FILLER CAP/DIPST ICK UPPER LIMIT LOWER LIMIT Check the engine oil level with the engine stopped and in a level position. Remove the oil filler cap/ dipstick and wipe it clean. Inse rt and remove the dips tick witho ut screwing it int o the filler neck . Check the oil level shown on t[...]

31 SERVICING YOUR PUMP ENGINE OIL CHANGE DRAIN PLUG OIL FILLER CAP/DIPST ICK OIL LEVEL SEALING WASHER Drain the used oil while the engine is warm. Warm oil drains quickly and completely. Allow the used oil to drain completely, then reinstall the drain plug, and tighten it securely. Please dispose of used motor oil in a manner that is compatible wit[...]

32 SERVICING YOUR PUMP ENGINE OIL RECOMMENDATIONS AMBIENT TEMPERATUR E Oil is a major factor affecting performance and service li fe. Use 4-stroke automotive detergent oil. SAE 10W-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. The SAE oi[...]

33 SERVICING YOUR PUMP AIR FILTER INSPECTION AIR CLEANER COVER AIR FILTER WING NUT COVER WASHER GRID Unscrew the wing nut and r emove the air cleaner cover . Check the air filter to be sure it is clean and in good condition. If the air filter is dirty, cl ean it as described on page . Replace the air filter if it is damaged. Reinstall the air filte[...]

34 SERVICING YOUR PUMP AIR FILTER CLEANING AIR FILTER 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 s pecified in the MAINTENANCE SCHEDULE (see page ). Clean the air filter in warm soapy w ater, rinse, and allow to dr y[...]

−− − − 35 SERVICING YOUR PUMP SPARK PLUG SERVICE SPARK PLUG CAP 0.028 0.031 in (0.70 0.80 mm) S S P P A A R R K K P P L L U U G G W W R R E E N N C C H H SEALING WASHER In or der to se rvice t he spark plu g, you wi ll need a spa rk plug w rench (commercially available). Incorrect spar k plugs can cause engine damage. Disconnect the spark p[...]

− 36 SERVICING YOUR PUMP Attach the spark plug cap. A loose spark plug can overheat and damage t he engine. Overtightening the spark plug can damage the threads in the cylinder head. If installing a new spark plug, tighten 1/ 2 turn after the spark plug seats. If reinstalling the used spa rk plug, tighten 1/ 8 1/4 tu rn after the spark plug seats[...]

37 SERVICING YOUR PUMP SPARK ARRESTER SERVICE (optional equipment) 8 mm NUTS MUFFLER MUFFLER PROTECTOR SPARK ARRESTER SCRE EN 5 mm SELF-TAPPING SCREWS 4 mm SCREW GASKET SPARK ARRESTER Your engine is not factory-equipped with a spark arrester. In some areas, it is illegal to o perate a n engine without a spark a rrester. Check local laws and regulat[...]

38 STORAGE STORAGE PREPARATION Cleaning Proper storage preparation i s essential for keeping your pump trouble- free and looking good. The f ollowing 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. Wash the engine and pump. Wash th[...]

39 STORAGE Fuel PUMP DRAIN PLUG Stop the engine, and allow it to cool. Remove the pump drain plug, a n df l u s ht h ep u m pw i t hc l e a n , fresh water. Allow the w ater to drain from the pump cham ber, then reinstall the drain plug. After the pump is clean and dry, touch up any damaged paint, and coat areas that may rust with a light film o f [...]

40 STORAGE Adding a Fuel Stabilizer to Extend Fuel Storage Life FUEL VALVE LEVER OFF When adding a fuel s tabilizer, fill the f uel tank with fresh gaso line. If only partially filled, ai r in the tank will promote f uel deterioration during storage. If you keep a container of gasoline for ref ueling, be sure that it contains only fresh gasoline. A[...]

41 STORAGE Draining the Fuel Tank and Carburet or DRAIN BOLT FUEL VALVE LEVER O-RING SEDIMENT CUP WASHER Place an approved gasoline container below the carburetor, and use a funnel to avoid spilling fuel. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. Keep heat, sparks, and flame away. Handle [...]

− 42 STORAGE Engine Oil STORAGE PRECAUTIONS Align notch o n pulley with hole at t op of cover. Change the engine oil (see page ). Remove the spark plug (see page ). Pour a tablespoon (5 10 cc) of clean engine oil into the cylinder. Pull the starter gri p several times to distribute the oil i n the cylinder. Reinstall the spark plug. Unless all f [...]

43 STORAGE REMOVAL FROM STORAGE Place the pump on a level surface. Tilting can cause fuel or oil leakage. With the engine and exhaust system cool, cover the pump to keep out dust. A hot engine and exhaust system can ig nite or melt some materials. Do not use s heet plastic as a dust c over. A nonporous c over will trap moisture around the pum p, pr[...]

44 TRANSP ORTING 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 syste m can burn you and can ignite some materials. Keep the pump level when transporting to reduce the possibility of fuel leakage. Move the fuel valve lever to the OFF position.[...]

45 ENGINE TAKING CARE OF UNEXPECTED PROBLEMS Correction Engine Wi ll Not S tar t Possi ble Ca use Correction Possib le Cause Engine La cks Pow er Chec k control positi ons. Check fuel. Remove and in spect spar k plug. Take e ngine to an authori zed Honda servicing dealer, or r e f e rt os h o pm a n u a l . Fuel valve OFF. Choke ope n. Igniti on sw[...]

46 TAKING CARE OF UNEXPECTED PROBLEMS PUMP Possib le Cause Correction No Pump Out put Low Pump Output Possi ble Ca use Corr ect ion Chec k pump chamb er. Chec k suc tion hose . Meas ure suc tion and disc harge he ad. Chec k engine . Pump not prime d. Hose col laps ed, cut or puncture d. Strainer not comp letely underwa ter. Air le ak at conne ctor.[...]

＜＞ ＜＞ 47 TECHNICAL & CONSUMER INFORMATION TECHNICAL INFORMATION Serial Number Location WB20X WB30X ENGINE SERIAL NUMBER FRAME SERIAL NUMBER Record the frame serial number (if assigne d) and the engine serial number in the space below. You will need these serial numbers when ordering parts, and when m aking technical or warranty inquirie[...]

48 TECHNICAL & CONSUMER INFORMATION Carburetor Modificati on 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 f oul the spark plug and cause hard starting. Operation at an a ltitude that dif fers f[...]

49 TECHNICAL & CONSUMER INFORMATION Oxygenated Fuels METHANOL MTBE ETHANOL Some conventional gasolines are being blended with alcohol or an ether compound. These gasolines are collectively referred to as oxygenated fuels. To meet clean air standards, some areas of the United States and Canada use ox ygenated fuels to he lp reduce emissions. If [...]

50 TECHNICAL & CONSUMER INFORMATION Emission Control System Inform ation The U.S. and California Clean Air Acts Tampering and Altering Source of Emissions The combustion process produces car bon monoxide, oxides of nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of nitrogen is very important because, under certain conditions, the[...]

51 TECHNICAL & CONSUMER INFORMATION Problems That May Affect Emissions Replacement Parts Maintenance If you are aware of any of the f ollowing symptoms, have your engine inspected and repaired by your servicing dealer. Hard starting or stalling after starting. Rough idle. Misfiring or backfiring under load. Afterburning (backfiring). Black exha[...]

−− −− −− 52 TECHNICAL & CONSUMER INFORMATION Air Index An Air Index Information hang tag/lab el is applied to engines certified to an emission d urability time period in accordanc e with the requirements of the California Air Resources Board. The bar graph is intended to provide you, our customer, the ability to compare the emission[...]

×× ± ± × − − ＋ − 53 TECHNICAL & CONSUMER INFORMATION Specifications Dimensions and weight Engine design and performance Tune up WB20X 17.9 in (455 mm) 14.4 in (365 mm) 16.5 in (420 mm) GX120T1 4-stroke, overhead valve, s ingle cylinder 46 lbs (21 kg) 7.2 cu-in (118 cm ) [2.4 1.7 in (60.0 42.0 mm)] 0.50 US gal (1.9 ) Length Width He[...]

54 TECHNICAL & CONSUMER INFORMATION Pump WB20X (continued) Suction p ort diameter Discharge port diameter Total head (maximum) Suction head (maximum) Discharge capaci ty (maximum) Self-priming time Continuous running ti me 92 ft (28 m) 26 ft (8 m) 151.9 US gal (575 ) 110 seconds at 16.4 ft (5 m) Approximately 2 hrs (actual time varies with pump[...]

×× ± ± × − − ＋ − 55 TECHNICAL & CONSUMER INFORMATION Dimensions and weight Engine design and performance Tune up WB30X 20.1 in (510 mm) 15.2 in (385 mm) 17.9 in (455 mm) 60 lbs (27 kg) GX160T1 4-stroke, overhead valve, s ingle cylinder 9.9 cu-in (163 cm ) [2.7 1.8 in (68.0 45.0 mm)] 0.82 US gal (3.1 ) Length Width Height Dry mass [[...]

56 TECHNICAL & CONSUMER INFORMATION Pump WB30X (continued) Suction p ort diameter Discharge port diameter Total head (maximum) Suction head (maximum) Discharge capaci ty (maximum) Self-priming time Continuous running ti me 85 ft (26 m) 26 ft (8 m) 275.0 US gal (1,041 ) 150 seconds at 16.4 ft (5 m) Approximately 2 hrs (actual time varies with pu[...]

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

58 TECHNICAL & CONSUMER INFORMATION Customer Service Inform ation Servicing dealership personnel are trained pr ofessionals. They should be able to answer any question y ou may have. If you encounter a problem that your dealer does not solve to your satisf action, please discuss it with the dealership’s management. The Service Manager or Gene[...]

−− ＋ − QUICK REFERENCE INFORMATION Unleaded gasoline with a pump octane rat ing of 8 6 or highe r ( p a g e2 9) SAE 10W-30, API SJ, for general use (page 32 ) 0.59 US qt (0.56 ) 0.61 US qt (0.58 ) Type Type Capacity Type Gap Idle speed Before each use First 20 hours Subsequent Fuel Engine Oil Spark Plug Carburetor Maintenance BPR6ES W20EPR-[...]

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