Dultmeier Sales DU PMC-349H Benutzerhandbuch - Seite 8
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Storage - Engine Care
Proper storage preparation is essential for keeping your system trouble-free and looking good. The following
steps will help to keep rust and corrosion from impairing your system's function and appearance, and will
make the system easier to start when you use it again.
If the engine has been running, allow it to cool for at least half an hour before cleaning. Clean all exterior
surfaces, touch up any damaged paint, and coat other areas that may rust with a light film of oil.
Using a garden hose or pressure washing equipment can force water into the air cleaner or muffler
opening. Water in the air cleaner will soak the air filter, and water that passes through the air filter or
muffler can enter the cylinder, causing damage.
Gasoline will oxidize and deteriorate in storage. Deteriorated gasoline will cause hard starting, and
it leaves gum deposits that clog the fuel system. If the gasoline in your engine deteriorates during
storage, you may need to have the carburetor and other fuel system components serviced or replaced.
The length of time that gasoline can be left in your fuel tank and carburetor without causing functional
problems will vary with such factors as gasoline blend, your storage temperatures, and whether the tank
is partially or completely filled. The air in a partially filled fuel tank promotes fuel deterioration. Very warm
storage temperatures accelerate fuel deterioration. Fuel deterioration problems may occur with a few months,
or even less if the gasoline was not fresh when you filled the fuel tank.
You can extended fuel storage life by adding gasoline stabilizer that is formulated for that purpose, or
you can avoid fuel deterioration problems by draining the fuel tank and carburetor.
When adding a gasoline stabilizer, fill the fuel tank with fresh gasoline. If only partially filled, air in the tank
will promote fuel deterioration during storage. If you keep a container of gasoline for refueling be sure that it
contains only fresh gasoline.
1. Add gasoline stabilizer following the manufacturer's instructions.
2. After adding gasoline stabilizer, run the engine outdoors for 10 minutes to be sure that treated gasoline
has replaced the untreated gasoline in the carburetor.
3. Stop the engine.
If your engine will 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 any appliance that operates with a
flame, such as a furnace, water heater, or clothes dryer. Also avoid any area with a spark-producing electric
motor, or where power tools are operated.
If possible, avoid storage areas with high humidity, because that promotes rust and corrosion.
Keep the engine level in storage. Tilting can cause fuel or oil leakage.
With the engine and exhaust system cool, cover the engine to keep out dust. A hot engine and exhaust system
can ignite or melt some materials. Do not use sheet plastic as a dust cover. A nonporous cover will trap
moisture around the engine, promoting rust and corrosion.
If equipped with a battery for electric starter types, recharge the battery once a month while the engine is in
storage. This will help extend the service life of the battery.