Honda Engines GCV520, GCV530, GXV530 Instructions Manual
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11 Fuel Gasoline is extremely flammable and is explosive under certain conditions. Refuel in a well-ventilated area with the engine stopped. Do not smoke or allow flames or sparks in the area where the engine is refueled or where gasoline is stored. Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor may ignite. If any fuel is spilled, make sure the area is dry before starting the engine. Avoid repeated or prolonged contact with skin or breathing of vapor. KEEP OUT OF REACH OF CHILDREN. Do not overfill the fuel tank (there should be no fuel in the filler neck). After refueling, make sure the tank cap is closed properly and securely. 3. Use automotive gasoline (Unleaded or lowleaded is preferred to minimize combustion chamber deposits). FOR NEW SOUTH WALES ONLY: Use unleaded fuel only. Never use an oil/gasoline mixture or dirty gasoline. Avoid getting dirt, dust or water in the fuel tank.
12 GASOLINES CONTAINING ALCOHOL If you decide to use a gasoline containing alcohol (gasohol), be sure it’s octane rating is at least as high as that recommended by Honda. There are two types of ‘‘gasohol’’: one containing ethanol, and the other containing methanol. Do not use gasohol that contains more than 10% ethanol. Do not use gasoline containing methanol (methyl or wood alcohol) that does not also contain cosolvents and corrosion inhibitors for methanol. Never use gasoline containing more than 5% methanol, even if it has cosolvents and corrosion inhibitors. Before buying fuel from an unfamiliar station, try to find out if the fuel contains alcohol, if it does, confirm the type and percentage of alcohol used. If you notice any undesirable operating symptoms while using a gasoline that contains alcohol, or one that you think contains alcohol, switch to a gasoline that you know does not contain alcohol. Fuel system damage or engine performance problems resulting from the use of fuels that contain alcohol is not covered under the warranty. Honda cannot endorse the use of fuels containing methanol since evidence of their suitability is as yet incomplete.
13 STARTING THE ENGINE STARTING THE ENGINE WITH THE ELECTRIC STARTER THROTTLE LEVER SLOW CHOKE The engine is equipped with a fuel-cut solenoid that allows fuel to flow to the carburetor main jet when the engine switch is in the ON or START position and stops the flow of fuel to the main jet when the engine switch is in the OFF position. The engine must be connected to the battery to energize the fuel- cut solenoid, allowing the engine to run. If the battery is discon- nected, fuel flow to the carburetor main jet will stop. Always keep hands and feet clear of rotating machinery. If the fuel tank is equipped with a valve, be sure the fuel valve is in the OPEN or ON position before attempting to start the engine. Move the throttle lever to the CHOKE position to start a cold engine. Leave the throttle lever in the SLOW position if the engine is warm or the air temperature is high. 1.
14 Turn the key to the START position and hold it there until the engine starts. If the engine fails to start within 5 seconds, release the key and wait about 10 seconds before operating the starter again. Operating the starter motor for more than 5 seconds can dam- age the motor. If the engine fails to start, release the switch and wait 10 seconds before operating the starter again. If the speed of the starter motor drops after a period of time, it is an indication that the battery should be recharged. 2.
15 STARTING THE ENGINE WITH THE RECOIL STARTER THROTTLE LEVER SLOW CHOKE Move the throttle lever to the CHOKE position to start a cold engine. Leave the throttle lever in the SLOW position if the engine is warm or the air temperature is high. Turn the engine switch to the ON position. Pull the starter grip lightly until resistance is felt, then pull briskly. 1. 2.
16 Do not allow the starter grip to snap back against the engine. Return it gently to prevent damage to the starter. STARTER GRIP
17 High altitude operation Operation of the engine at an altitude lower than the carburetor is jetted for may result in reduced performance, overheating, and serious engine damage caused by an excessively lean air/fuel mixture. At high altitude, the standard carburetor air-fuel mixture will be ex- cessively rich. Performance will decrease, and fuel consumption will increase. High altitude performance can be improved by installing a smaller diameter main fuel jet in the carburetor and readjusting the pilot screw. If you always operate the engine at altitudes higher than 1,830 m (6,000 feet) above sea level, have your authorized H onda dealer perform these carburetor modifications. Even with suitable carburetor jetting, engine horsepower will decrease approximately 3.5% for each 305 m (1,000 feet) increase in altitude. The affect of altitude on horsepower will be greater than this if no carburetor modification is made.
18 OPERATION SLOW FAST SLOW CHOKE THROTTLE LEVER THROTTLE LEVER Do not disconnect the battery from the engine while the engine is running. Disconnecting the battery causes the fuel-cut solenoid to shut off the flow of fuel to the carburetor main jet, and the engine will stop. If the throttle lever has been moved to the CHOKE position to start the engine, gradually move it to the SLOW position as the engine warms up. Position the throttle lever for the desired engine speed. 2. 1.
19 STOPPING THE ENGINE MAINTENANCE The engine should be serviced by an authorized Honda dealer unless the owner has proper tools and service data and feels he is mechanically qualifired. To prevent accidental start-up, turn OFF the engine switch key and disconnect the spark plug caps. Shut off the engine before performing any maintenance. SLOW THROTTLE LEVER To stop the engine in an emergency, turn the engine switch to the OFF position. Under normal conditions, use the following procedure: Turn the engine switch to the OFF position. If the fuel tank is equipped with a valve, turn the fuel valve to the CLOSED or OFF position. Move the throttle lever to the SLOW position. 2. 1. 3.
Ó ÓÓ Ó Ó Ó Ó Ó Ó Ó Ó Ó Ó 20 Use only genuine Honda parts or their equivalent. The use of replacement parts which are not of equivalent quality may damage the engine. Maintenance Schedule Periodic inspection and adjustment of the Honda engine is essential if high level performance is to be maintained. Regular maintenance will also ensure a long service life. The required service intervals and the kind of maintenance to be performed are described on the table below. REGULAR SERVICE PERIOD (4) Perform at every indicated month or operating hour inter- val, whichever comes first. ITEM Each use Engine oil Engine oil filter (optional part) Air cleaner Spark plug Spark arrester (optional part) Idle speed Valve clearance Combustion chamber Fuel filter Fuel line Every 2 years (2) (Replace if necessary) Service more frequently when used in dusty areas. Replace the paper element only. For professional commercial use, log hours of operation to determine proper mainte- nance intervals. First month or 20 hrs. Every 3 months or 50 hrs. (1) Every 6 months or 100 hrs. Every year or 200 hrs. (3) (2) (2) (2) Check level Change Replace Check Clean Replace Check-adjust Replace Clean Check-adjust Check-adjust Clean Replace Check These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer Honda Shop Manual for service procedures. (1): (2): (3): (4): After every 300 hrs (2)