Changing the oil
Discharge the oil quickly and thoroughly when the engine is still hot.
Before discharging the oil, make sure the switches on the gas cap ventilation hole
and the engine are in the “closed” position. Follow the steps below:
1. Loosen the screw and remove the repair cover.
2. Remove the gas cap.
3. Discharge the dirty oil thoroughly into a container. Note! In order to conform to
environmental regulations, do not pour the oil into the ground or into the garbage.
Ask your local authority about the disposal of oil.
4. Put in the recommended amount of oil and check the level.
5. Reinstall the repair cover.
6. Clean your hands with soap after handling oil.
Maintenance of the air filter
A dirty air filter will block the air from entering the carburetor. ln order to prevent
the carburetor from failure, please service the air filter regularly. lf the generator is
used in very dirty places, it will need to be maintained more regularly. Follow the
steps below:
1. Loosen the repair cover screw and remove the repair cover.
2. Loosen the screw on the cover of the air filter, then remove the cover.
3. Clean the core of the air filter with a non-flammable solvent. Ventilate the core.
4. Clean the core with clean engine oil and squeeze out superfluous oil.
5. Re-install the core of air filter and its cover.
6. Re-install the repair cover.
Note! Do not use gasoline or solvent with a low combustion point to clean the
engine, as they are highly inflammable and explosive under certain conditions. Do
not run the generator without the air filter or the engine will wear quickly.
Maintenance of the spark plug
To ensure the engine works properly, the clearance of the spark plug must be cor-
rect and it must be free of charcoal. Recommended NGK spark plug: NGK CR7HSA
1. Remove the repair cover of the spark plug.
2. Remove the spark plug cap.
3. Remove dirt around the base of the spark plug.
4. Remove the spark plug with a wrench.
5. Examine the spark plug. lf the insulator is
scratched or broken, discard the spark plug. lf the
old spark plug can still be used, clean it with a
brush.
6. Measure the clearance of the spark plug with a
gauge. The clearance should be 0.6mm to 0.7mm.
7. lnstall the spark plug carefully by hand. Take
care not to cross-thread it.
8. After installing a new spark plug by hand,
screw it in with a wrench for half a turn in order to
tighten the gasket. lf an old spark plug is installed,
you only need to screw it between 1/8 and ¼ of a
turn after installation by hand.
9. Reinstall the spark plug cap.
10. Reinstall the repair cover of the spark plug.
Note! The spark plug must be fixed firmly or it will become very hot and damage
the generator. Do not use a spark plug whose thermal measurement range is not
suitable.
Transporting and storage
Before the generator is put into long-time storage:
1. Make sure that the storage area is clean and dry.
2. Discharge the gas thoroughly.
• Turn the switch of the engine to the “closed” position. Remove the discharging
screw on the carburetor and discharge the gas in it into a proper container.
• Screw down the oil-discharging screw on the spark plug cap. Pull the starting
handle three or four times, and discharge the gas from the oil pump.
• Turn the engine switch to the “closed” position, then turn the oil-discharging
screw tightly.
• Re-install the spark plug cap on the spark plug.
3. Change the engine oil
4. Remove the spark plug, and pour a large spoonful of clean engine oil into the
gasoline tank. Make the engine turn for several revolutions to distribute the oil
evenly. Re-install the spark plug.
5. Pull the starting handle slowly
until you feel resistance. At this
time, the piston reaches the
compressed stroke, and both
the entering and the discharg-
ing valve are closed. Storing the
dynamo in such a condition will
help to prevent the inside of the
machine from rusting.
Repair cover
Repair cover screw
Ga cap
Gas-filling machine
Upper liquid surface
Repair cover
Repair cover screw
Core
Filter screw
Filter cover
Filter components
Filter core
Repair cover of the spark plug
Handle
Spark plug gasket
Spark plug cap
Screwdriver
Starting handle
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