Kohler ECH680, ECH740, ECH749, ECH730, ECH650 User Manual

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ECH630-ECH749

Horizontal CranksHaft

Owner's Manual

A B

California

Proposition 65 Warning

Engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Safety Precautions

To ensure safe operation, please read the following statements and understand their meaning. Also refer to your equipment manufacturer's manual for other important safety information. This manual contains safety precautions which are explained below. Please read carefully.

WARNING

Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial property damage if the warning is ignored.

CAUTION

Caution is used to indicate the presence of a hazard that will or can cause minor personal injury or property

damage if the caution is ignored.

NOTE

Note is used to notify people of installation, operation, or maintenance information that is important but not

hazard-related.

WARNING

Hot Parts can cause severe burns.

Do not touch engine while operating or just aer stopping.

Hot Parts!

Engine components can get extremely hot from operation. To prevent severe burns, do not touch these areas while the engine is running, or immediately aer it is turned o. Never operate the engine with heat shields or guards removed.

WARNING

Carbon Monoxide can cause severe nausea, fainting or death.

Avoid inhaling exhaust fumes, and never run the engine in a closed building or conned area.

Lethal Exhaust Gases!

Engine exhaust gases contain poisonous carbon monoxide. Carbon monoxide is odorless, colorless, and can cause death if inhaled. Avoid inhaling exhaust fumes, and never run the engine in a closed building or conned area.

For Your Safety!

These precautions should be followed at all times. Failure to follow these precautions could result in injury to yourself and others.

WARNING

Explosive Fuel can cause res and severe burns.

Do not ll the fuel tank while the engine is hot or running.

Explosive Fuel!

Gasoline is extremely ammable and its vapors can explode if ignited. Store gasoline only in approved containers, in well ventilated, unoccupied buildings, away from sparks or ames. Do not ll the fuel tank while the engine is hot or running, since spilled fuel could ignite if it comes in contact with hot parts or sparks from ignition. Do not start the engine near spilled fuel. Never use gasoline as a cleaning agent.

WARNING

Accidental Starts can cause severe injury or death.

Disconnect and ground spark plug lead(s) before servicing.

Accidental Starts!

Disabling engine. Accidental starting can cause severe injury or death. Before working on the engine or equipment, disable the engine as follows: 1) Disconnect the spark plug lead(s).

2) Disconnect negative (-) baery cable from baery.

WARNING

Rotating Parts can cause severe injury.

Stay away while engine is in operation.

Rotating Parts!

Keep hands, feet, hair, and clothing away from all moving parts to prevent injury. Never operate the engine with covers, shrouds, or guards removed.

WARNING

High Pressure Fluids can puncture skin and cause severe injury or death.

Do not work on fuel system without proper training or safety equipment.

High Pressure Fluid Puncture!

Fuel system is to be serviced only by properly trained personnel wearing protective safety equipment. Fluid puncture injuries are highly toxic and hazardous. If an injury occurs, seek immediate medical aention.

CAUTION

Electrical Shock can cause injury.

Do not touch wires while engine is running.

Electrical Shock!

Never touch electrical wires or components while the engine is running. They can be sources of electrical shock.

Symbols Associated With This Product

Alert

Read Manual

Oil

STOP

Start

Run

Stop

Slow

Fast

Off

Fuel

Congratulations on your purchase of a Kohler Engine. Every part, every component, every system on a Kohler engine is guided by our exclusive Performance Engineering philosophy:

• To operate on the leading edge of innovation

• To push the boundaries of cleaner, more ecient engines

• To manufacture the highest performing, most reliable engines on the market

You can rest assured that your Kohler Engine will provide maximum power and reliability in all operating conditions. Also, Kohler engines are backed by a worldwide network of over 10,000 distributors and dealers. For more information on Kohler Engines or to nd a Kohler Service Center, visit KohlerEngines.com. To keep your engine in top operating condition, follow the maintenance procedures in this manual.

Oil Recommendations

Fuel Recommendations

Using the proper type and weight of oil in the crankcase is extremely important. So is checking oil daily and changing oil regularly. Failure to use the correct oil, or using dirty oil, causes premature engine wear and failure.

Oil Type

Use high quality detergent oil of API (American Petroleum Institute) service class SJ or higher. Select the viscosity based on the air temperature at the time of operation as shown in the Recommended Viscosity Grades table.

Explosive Fuel can cause res and severe burns.

Gasoline is extremely ammable and its vapors can explode if ignited. Store gasoline only in approved containers, in well ventilated, unoccupied buildings, away from sparks or ames. Do not ll the fuel tank while the engine is hot or running since spilled fuel could ignite if it comes in contact with hot parts or sparks from ignition. Do not start the engine near spilled fuel. Never use gasoline as a cleaning agent.

Do not ll the fuel tank while the engine is hot or running.

WARNING

Recommended Viscosity Grades

General Fuel Recommendations

Kohler 10W-30

10W-30

SAE 30

5W-30

°F -20 0 20 32 40 60

°C -30 -20 -10 0 10 20 30 40

50 80 100

Purchase gasoline in small quantities and store in clean, approved containers. Use a container with a capacity of two gallons or less with a pouring spout is recommended, as it is easier to handle and helps eliminate spillage during refueling. To minimize gum deposits in fuel system, do not use gasoline le over from previous season. Do not add oil to the gasoline. Do not overll the fuel tank. Leave room for the fuel to expand.

Fuel Type

For best results use only clean, fresh, unleaded gasoline with a pump sticker octane rating of 87 (R+M)/2 or higher. In countries using the Research Octane Number (RON), it should be 90 octane minimum. Leaded gasoline is not recommended and must not be used on EFI engines or on other models where exhaust emissions are regulated.

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