PURSUIT 2870 OFFSHORE Uživatelský manuál stáhnout pdf (Strana 36)

2870 OFFSHORE

3.4 Fuel System Maintenance

Periodically inspect all primer bulbs, connections, clamps and hoses for leakage and damage or

deterioration. Replace as necessary. Spray the valves, tank fuel gauge sender and ground

connections with a metal protector.

Frequently inspect and lubricate the fuel fill cap O-ring seal with petroleum jelly. The O-ring seal

prevents water from entering the fuel system through the fuel fill cap and it should be immediately

replaced if there is any sign of damage or deterioration.

Periodically, remove the fuel vents and clean corrosion and salt buildup from the vent screens. The

screens will prevent insects and other foreign matter from contaminating the fuel and fuel system.

Fuel vents should be replaced if the vents or screens are damaged or badly corroded. Fuel vent

screens that are clogged will prevent the fuel tanks from venting properly and make filling the fuel

tanks difficult or cause fuel supply problems to the engines.

Be sure the screens are secure and that the fuel tank vent hose is properly routed and attached when

the vents are reinstalled or replaced. The fuel tank vent hose must be looped above the vent, secured

to the hull near the vent and securely attached to the vent hose fitting with two hose clamps.

Contaminated fuel may cause serious damage to your engines. The filters must be checked for

water and other contamination frequently. The filter elements must be changed at least once a

season or more frequently depending on the type of engine and the quality of the fuel. Please refer

to the engine or fuel filter manufacturer’s instructions for information on servicing and replacing

the fuel filter elements.

The age of gasoline can effect engine performance. Chemical changes occur as the gasoline ages

that can cause deposits and varnish in the fuel system as well as reduce the octane rating of the fuel.

Severely degraded fuel can damage the engine and boat fuel tank and lines. Therefore, if your boat

is not being run enough to require at least one full tank of fresh fuel a month, a fuel stabilizer should

be added to the gasoline to protect the fuel from degradation. Your dealer or the engine

manufacturer can provide additional information on fuel degradation and fuel stabilizers recom-

mended for your engine.

Avoid using fuels with alcohol additives. Gasoline that is an alcohol blend will absorb moisture

from the air which can reach such concentrations that "phase separation" can occur whereby the

water and alcohol mixture becomes heavy enough to settle out of the gasoline to the bottom of the

tank. Since the fuel pick up tube is very near the bottom of the tank, phase separation can cause

the engine to run very poorly or not at all. This condition is more severe with methyl alcohol and

will worsen as the alcohol content increases. Water or a jelly like substance in the fuel filters are

an indication of phase separation from the use of alcohol blended fuels.

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PURSUIT 2870 OFFSHORE Uživatelský manuál Strana 36