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Need help?Do you have a question about the Tecumseh OV691 and is the answer not in the manual?
Explains the meaning of warning, caution, and note symbols used in the manual.
Information about emission regulations and compliance for the engine.
How to contact TecumsehPower for service, repairs, or warranty information.
Hazards of carbon monoxide and how to prevent poisoning from engine exhaust.
Safety measures to prevent gasoline fires and explosions during refueling and operation.
Importance of adult supervision for safe engine operation, refueling, and maintenance.
Warnings about the dangers of rotating engine parts and potential entanglement.
Warning against modifying the engine or governor settings to avoid unsafe speeds.
Precautions to avoid burns from hot engine parts and prevent fires from hot surfaces.
Procedures to prevent accidental engine starts during maintenance or work.
Importance of wearing hearing protection due to potential hearing damage from engine noise.
Information on locating and using the engine's model and specification identification decal.
Availability and use of the Technician's Handbook for advanced engine service.
Recommended oil types, capacities, and quality for the engine.
Recommended fuel types, octane, and additives for the engine.
Step-by-step instructions for filling the engine oil sump to the correct level.
Safe procedures for filling the fuel tank, including precautions against spills.
How to check and maintain the correct engine oil level before operation.
How to start the engine using combined speed and choke controls.
How to start the engine using independent speed and choke controls.
Procedure for changing the engine oil based on operating hours.
How to clean debris from the engine for proper cooling and safety.
Inspection, cleaning, and replacement of spark plugs for optimal performance.
How to clean or replace the engine's air cleaner assembly to prevent wear.
Instructions for cleaning the foam pre-filter of the air cleaner assembly.
Instructions for replacing the paper air filter element.
Steps for removing and installing air cleaner filters.
Information regarding carburetor adjustment and altitude effects.
Warning against modifying engine speed and governor settings.
Advice on factory settings and contacting dealer for adjustments.
Steps for replacing the fuel filter.
Prepare engine by removing debris before storing.
Guidelines for safely storing fuel with the engine.
Treating the fuel system to prevent storage issues.
Steps for treating fuel with a stabilizer for storage.
Procedure for draining fuel from the tank and carburetor.
Lubricating the cylinder bore to prevent corrosion during storage.
Recommendation to change oil if needed before storage.
Battery storage recommendations if equipped.
Schedule for changing engine oil based on hours or time.
Schedule for checking engine oil level before each use or based on hours.
Schedule for cleaning engine cooling fins based on hours or use.
Schedule for cleaning the air cleaner foam pre-filter based on hours or time.
Schedule for replacing air cleaner paper filter and oil filter based on hours or time.
Schedule for checking spark plugs based on hours or time.
Schedule for replacing spark plugs based on hours or time.
Details on warranty coverage for emission control systems on new engines.
Owner's responsibilities regarding maintenance and warranty claims.
Scope and general coverage of the emission control system warranty.
List of components covered by the emission control system warranty.
Details of the limited warranty for engines and electronic ignition modules.
General
