Husqvarna 521SSR, 521SSE manual Before Starting the Engine, HOW to MIX the Fuel Mixture

Models: 521SSR 521SSE

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OPERATION

BEFORE STARTING THE ENGINE

WARNING: Experiences indicates that alcohol blended fuels (called gasohol or those using ethanol or methanol) can attract moisture

which leads to separation and formation of acids dur- ing storage. Acidic gas can damage the fuel system of an engine while in storage.

NOTE: To avoid engine problems, the fuel system must be emptied before storage for 30 days or longer. Start the engine and let it run until the fuel lines and carbure- tor are empty. Use the carburetor bowl drain to empty residual gasoline from the float chamber. Use fresh fuel next season. See the Storage section in this manual for additional information.

Never use engine or carburetor cleaner products in the fuel tank or permanent damage can occur.

HOW TO MIX THE FUEL MIXTURE

The two cycle engine, used on this snow thrower, requires a mixture of gasoline and oil for lubrication of the bearings and other moving parts. The correct fuel mixture ratio is 50:1 (2.6 oz. oil per one gallon of gas − see the Fuel Mixture Chart). Gasoline and oil must be pre−mixed in a clean gaso- line container. Always use fresh, clean, unleaded gasoline.

FUEL MIXTURE CHART (mixture 50:1)

 

U.S.

IMPERIAL

SI. (Metric)

 

 

 

 

 

 

 

GAS

 

OIL

GAS

OIL

GAS

OIL

 

 

 

 

 

 

 

1 Gal.

 

2.6

1 Gal.

3.1 oz.

4

80

 

 

oz.

 

 

liter

ML

Mix gasoline and oil as follows:

1.Pour one (1) U.S. quart of fresh, clean, unleaded auto- motive gasoline into a one gallon size gasoline contain- er.

2.Add 2.6 ounces of clean, high quality, Husqvarna two− cycle oil to the gasoline container.

IMPORTANT: Do not use outboard motor oil or mul- ti−viscosity oils,such as 10W−30 or 10W−40.

3.Install the fuel cap onto the gasoline container. Vigor- ously shake the gasoline container to mix the oil with the gasoline.

4.Add an additional three (3) U.S. quarts of gasoline to the gallon container. Again shake the gasoline contain- er.

WARNING: Gasoline is flammable. Always use caution when handling or storing gasoline. Do not fill fuel tank while snow thrower is run-

ning, when it is hot, or when snow thrower is in an enclosed area.

Keep away from open flame or an electrical spark and do not smoke while filling the fuel tank.

Never fill the tank completely. Fill the tank to within 1/4”−1/2” from the top to provide space for expansion of fuel.

Always fill fuel tank outdoors and use a funnel or spout to prevent spilling.

Make sure to wipe up any spilled fuel before stating the engine.

Store gasoline in a clean, approved container and keep the cap in place on the container.

Do not fill the fuel tank with gasoline that does not have oil mixed in it. Shake the gasoline container before each filling of the fuel tank.

OIl

 

Add more gas

(2.6 oz.)

Shake Can

(3 U. S. Quarts)

Gasoline

 

1 U.S.

 

 

 

 

 

1U.S.

 

 

 

Quart

 

Gallon

 

 

 

 

Special

 

 

 

 

Gasoline

 

 

1 U.S. Gallon container

 

 

 

Figure 10

 

 

 

1740274

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Husqvarna 521SSR, 521SSE manual Before Starting the Engine, HOW to MIX the Fuel Mixture, Fuel Mixture Chart mixture