Manual Makita EG4550A (page 14 of 112) (English, German, Dutch, French, Italian, Spanish)

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Fuel system damage or engine performance problems

resulting from neglected storage preparation is not

covered by the Distributor’s Limited Warranty.

Fuel storage life can be extended by adding a gasoline

stabilizer that is formulated for that purpose. Or, drain the

carburetor, sediment cup (if applicable) and/ or fuel tank to

avoid fuel deterioration problems.

Service according to the table below:

Draining the Fuel Tank and Carburetor

(Fig. 21)

WARNING:

Gasoline is highly flammable and explosive.

Burns or severe personal injury may result from

handling fuel.

• Stop the engine and keep heat, sparks, and flames

away.

• Handle fuel only outdoors.

• Wipe up spills immediately.

1. Loosen the drain screw and drain the carburetor.

Drain the gasoline into a suitable container.

2. Place a suitable gasoline container below the

sediment cup, and use a funnel to avoid spilling

gasoline.

3. Remove the sediment cup, and then turn the fuel

valve lever to the “I (ON)” position.

4. Allow the gasoline to drain completely, and then

reinstall the sediment cup.

Engine Oil (Fig. 22)

1. Change the engine oil.

2. Remove the spark plug.

3. Pour a teaspoon (5 - 10 cc) of clean engine oil into the

cylinder.

4. Pull the starter grip several times to distribute the oil in

the cylinder.

5. Reinstall the spark plug.

6. Pull the starter grip slowly until resistance is felt. The

piston is coming up on its compression stroke at this

point, and both the intake and exhaust valves are

closed. Storing the engine in this position will help to

protect it from internal corrosion. Return the starter

grip back gently to its original position.

Storage Precautions

If the generator is to be stored with gasoline in the fuel

tank and carburetor, it is important to reduce the hazard of

gasoline vapor ignition.

Select a well ventilated storage area away from furnaces,

water heaters, or clothes dryer, or any other appliance

that operates with a flame. Also avoid areas with a spark-

producing electric motor, or where power tools are

operated.

Since high humidity promotes rust and corrosion, avoid

storage areas with high humidity when possible.

Unless all of the fuel has been drained from the fuel tank,

leave the fuel valve in the “O (OFF)” position to reduce the

possibility of leakage.

Place the generator on a stable and level surface. Tilting

can cause the fuel or oil to leak.

Once the engine and exhaust system are cool, cover the

generator to keep out dust. A hot engine and exhaust

system can ignite or melt certain materials.

Do not use sheet plastic as a dust cover. A nonporous

cover will trap moisture around the generator, promoting

rust and corrosion.

Removal from Storage

Check the generator as described in the “PRE-

OPERATION CHECKS” chapter of this manual.

Fill the fuel tank with fresh gasoline if the fuel was drained

during storage preparation. If gasoline for refueling is kept

in a container, be sure that it contains only fresh gasoline.

Gasoline oxidizes and deteriorates over time, and using

oxidized and/or deteriorated oil will cause hard starting.

Note that if the cylinder was coated with oil during storage

preparation, it is normal for the engine to smoke briefly at

startup.

TRANSPORTING (Fig. 23)

When transporting the generator, turn off the engine

switch and the fuel valve. Keep the generator stable and

level to prevent fuel from spilling. Fuel vapor or spilled fuel

may ignite.

LENGTH OF STORAGE RECOMMENDED SERVICE PROCEDURES TO PREVENT HARD STARTING

Less than 1 month No preparation required.

1 to 2 months Fill with fresh gasoline and add gasoline stabilizer*.

2 months to 1 year

Fill with fresh gasoline and add gasoline stabilizer*.

Drain the carburetor float bowl and the fuel sediment cup.

1 year or more

Fill with fresh gasoline and add gasoline stabilizer*.

Drain the carburetor float bowl and the fuel sediment cup.

Remove the spark plug and put a teaspoon of engine oil into the cylinder. Turn the

engine slowly with the recoil starter to distribute the oil. Then, reinstall the spark

plug.

Change the engine oil.

After removing the generator from storage, drain the stored gasoline into a suitable

container, and fill with fresh gasoline before starting.

*Use gasoline stabilizers that are formulated to extend storage life.

Follow the manufacturer’s instructions for use.

Contact our authorized Makita generator dealer for stabilizer recommendations.

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Makita EG4550A Manual

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