Honeywell HW7500E Service Manual - Page 26
Fuel Recommendations, DANGER - parts
UPC - 894190002049
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CONSUMER MAINTENANCE SCHEDULE FUEL RECOMMENDATIONS Before each use, check the fuel tank gage. If the fuel level is low, refill the tank with recommended fuel. NEVER OVERFILL. DANGER Fuel and fuel vapors are extremely flammable and explosive under certain conditions. • Refuel generator only outdoors, in a well-ventilated area. • NEVER fill fuel tank while engine is running. Turn generator OFF and allow to cool before filling with fuel. • NEVER smoke or allow flames or sparks near generator or where gasoline is stored. • NEVER overfill fuel tank (no fuel should be in filler neck). After refueling, tighten the fuel cap securely. • Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor may ignite. If any fuel is spilled, the area must be dry before starting the engine. • Avoid repeated or prolonged contact with skin or breathing of vapor. General Fuel Information Check the fuel gage located on the top of the generator near the fuel tank and refill the tank if fuel level is low. Refuel carefully to avoid spilling fuel. Do not fill above the shoulder of fuel strainer. Use unleaded gasoline with a pump octane rating of 87 or higher. NEVER use stale or contaminated gasoline. Avoid getting dirt or water in the fuel tank. Always keep the fuel strainer in place while refueling. Oxygenated Fuels At certain times of the year, some U.S. locations may have only oxygenated fuel available. Oxygenated fuel is blended with alcohol or ether additives to increase octane quality, enhance combustion, and reduce exhaust emissions. Some areas of the United States use oxygenated fuels to help meet clean air standards. Before using an oxygenated fuel, ensure pump octane rating is 87 or higher. Some states (and provinces in Canada) require this information to be posted on the fuel pump. If you notice undesirable operating symptoms, switch to a conventional unleaded gasoline. NOTICE Oxygenated fuels can damage paint and plastic. Be careful not to spill fuel when filling fuel tank. Damage caused by spilled fuel is not covered under warranty. TABLE 7-2. Oxygenated Fuel Types Ethanol (ethyl or grain alcohol) Gasoline containing more than 10% ethanol by volume may cause starting or performance problems. Gasoline containing ethanol may be marketed under the name "Gasohol". Methanol (methyl or wood alcohol) Gasoline containing methanol must contain co-solvents and corrosion inhibitors to protect fuel system. Gasoline containing more than 5% methanol by volume may cause starting and/or performance problems and may damage metal, rubber and plastic parts of fuel system. MTBE (methyl tertiary butyl ether) Gasoline containing up to 15% MTBE by volume can be used. NOTICE To avoid damage to the engine, NEVER use stale or contaminated gasoline or oil/gasoline mixture. Avoid getting dirt or water in the fuel tank. Use fresh gasoline with a pump octane rating of 87 or higher. NOTICE Running the engine with persistent spark knock or pinging can cause engine damage. Warranty does not cover parts damaged by misuse. 7-2 www.honeywellgenerators.com Honeywell Portable Electrical Generator Service Manual