Ryobi 310r manual OIL & Fuel Information

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OIL & FUEL INFORMATION

THIS ENGINE IS CERTIFIED TO OPERATE ON UNLEADED GAS AND OIL MIXTURE.

NOTE: BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO START OR OPERATE THIS UNIT. Using old or improper oil or fuel, or improperly mixing the oil and fuel can cause engine damage. This type of damage will void the engine warranty.

WARNING

Gasoline is extremely flammable and its vapors can explode if they are ignited. Always stop the engine and allow it to cool before filling the fuel tank. Do not smoke while filling the tank. Keep sparks and open flames away from the area.

RECOMMENDED OIL TYPE

A 4 oz. (0.118 liter) bottle of 2-cycle engine oil is included with your product.

RYOBI 2-cycle oil is recommended for this outdoor power tool. If another brand of 2-cycle oil is used, make sure it is high quality oil, formulated for 2-cycle, air-cooled engines.

DANGER: Combustible mixture contains petroleum distillate. Store away from heat or open flame. Harmful or fatal if swallowed. If swallowed, do not induce vomiting. CALL PHYSICIAN IMMEDIATELY. Avoid prolonged contact with skin. Wash thoroughly after handling.

Do not reuse bottle.

USE OF BLENDED FUELS

If you choose to use a blended fuel or its use is unavoid- able, the following precautions are recommended.

1.Always use fresh fuel mix per your operator's manual.

2.Use the special additive STA-BIL®or an equivalent.

3.Always agitate the fuel mix before fueling the unit.

4.Drain the tank and run the engine dry before storing the unit.

USE OF FUEL ADDITIVES

The use of fuel additive, such as STA-BIL®Gas Stabilizer or an equivalent, will inhibit corrosion and minimize the formation of gum deposit. Add 0.8 oz (23 ml) per gallon of fuel per instructions on container. NEVER add fuel addi- tives directly to the unit's fuel tank. Using a fuel additive can keep fuel fresh for up to six (6) months.

OIL AND FUEL MIXING INSTRUCTIONS

NOTE: For proper engine operation and maxi- mum reliability, pay strict attention to the oil and fuel mixing instructions on the

2-cycle oil container. Use a 32:1 fuel/oil ratio when you use 2-cycle oil. Using improperly mixed fuel can severely dam- age the engine.

Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate fuel can, 32:1. Do not mix them directly in the engine fuel tank. See the table below for specific gas and oil mixing ratios.

RECOMMENDED FUEL TYPE

Use clean, fresh, unleaded gasoline that is less than 60 days old.

NOTE: Alcohol blended fuel absorbs moisture (water). As little as 1% moisture in the fuel can cause fuel and oil to separate and form acids when stored.

If this type of fuel must be used, use fresh fuel, (less than 60 days old) and mix according to the mixing instructions.

DEFINITION OF BLENDED FUELS

Today's fuels are often a blend of gasoline and one or more oxygenates such as ethanol, methanol or MTBE (ether).

WARNING

Remove fuel cap slowly to avoid injury from fuel spray.

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Contents For Starting Instructions Refer to OPERATOR’S ManualIntroduction Table of Contents California Emission Regulations Safety WarningsFueling and PRE-OPERATION During OperationSafety and International Symbols Symbol SignificationAfter Operation Signification SymbolBlower Tube and Nozzle Assembly Both Models Assembly InstructionsAssembly Instructions Installing the Vacuum Tubes to the Blower/Vac Installing the Vacuum Tubes Optional for Model 310rOIL & Fuel Information STARTING/STOPPING Instructions StartingStopping Operating Procedures Vacuum Operating Procedures Optional for Model 310rTypical Operating Positions Maintenance and Repair Instructions Maintenance ScheduleAIR Filter Maintenance Adjusting the Carburetor Carburetor AdjustmentZama Carburetor Walbro CarburetorINSPECTING/CLEANING the Muffler Replacing the Spark PlugExhaust Exit Tube Removal Muffler Reassembly Inspection and CleaningSpecifications Cleaning and StorageEngine BlowerProblem Cause Action TroubleshootingYour Warranty Rights and Obligations California Emission Control Warranty StatementRyobi America Corp