Senci SCWP-100A, Operation Instruction Manual, Page: 55 / 60

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55
STORAGE/ TRANSPORTING
STORAGE PREPARATION
Proper storage preparation is essential for keeping your pump troublefree and looking good. The following steps will help to keep rust
and corrosion from impairing your pump’s function and appearance, and will make the engine easier to start when you use the pump
again.
Cleaning
1. Wash the engine and pump.
Wash the engine by hand, and be careful to prevent water from entering the air cleaner or muffler opening. Keep water away from
controls and all other places that are difficult to dry, as water promotes rust.
·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. ·Water contacting a hot
engine can cause damage. If the engine has been running, allow it to cool for at least half an hour before washing.
2. Wipe dry all accessible surfaces.
3. Fill the pump chamber with clean, fresh water, start the engine outdoors, and let it run until it reaches normal operating temperature
to evaporate any external water.
Dry operation will damage the pump seal. Be sure the pump chamber is filled with water before starting the engine.
4. Stop the engine, and allow it to cool.
5. Remove the pump drain plug, and flush the pump with clean, fresh water. Allow the water to drain from the pump chamber, and then
reinstall the drain plug.
6. After the pump is clean and dry, touch up any damaged paint, and coat areas that may rust with a light film of oil. Lubricate controls
with a silicone spray lubricant.
Fuel
Gasoline will oxidize and deteriorate in storage. Old 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 fuel 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 within a few months, or even less if the gasoline was not fresh when you filled the fuel tank.
The Distributor’s Limited Warranty does not cover fuel system damage or engine performance problems resulting from neglected
storage preparation.
You can extend fuel storage life by adding a fuel stabilizer that is formulated for that purpose, or you can avoid fuel deterioration
problems by draining the fuel tank and carburetor.
Adding a Fuel Stabilizer to Extend Fuel Storage Life
When adding a fuel 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 fuel stabilizer following the manufacturer’s instructions.
2. After adding a fuel stabilizer, run the engine outdoors for 10 minutes to be sure that treated gasoline has replaced the untreated
gasoline in the carburetor.
Dry operation will damage the pump seal. Be sure the pump chamber is filled with water before starting the engine.
3. Stop the engine, and move the fuel valve lever to the OFF position.
Draining the Fuel Tank and Carburetor
1. Place an approved gasoline container below the carburetor, and use a funnel to avoid spilling fuel.
2. Remove the carburetor drain bolt and sediment cup, and then move the fuel valve lever to the ON position.