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Engine oil replacement (Fig. 11-12)
1) Remove the oil gauge. Unscrew the oil bolt to drain the oil.
2) Install the drain bolt and tighten it.
3) Fill oil and check the oil level.
4) Install the oil gauge.
Air filter maintenance (Fig. 13)
• Dirty air filters negatively affect the flow of air into carburetors. To prevent carburetor breakdown, air
filters should be regularly maintained.
Warning: Do not clean the filter element with gasoline or flammable solvents as this may
cause fire or an explosion. Use only soapy water or non-flammable solvents to clean the
filter element.
Note: Do not start the generator without the air filter as this will lead to rapid wear
and tear of the engine.
1) Set the maintenance door knob to the "ON" position and then remove the maintenance door.
2) Open the air filter cover with the air filter cover connecting button. Check the filter element and ensure
it is in good condition.
3) If the foam filter is dirty, clean it. Wash it in hot water with household detergent or in non-flammable or
high flash solvent. Then, rinse with clean water and squeeze. Finally, put a few drops of oil and squeeze
evenly.
4) Reinstall the filter element and close the air filter cover.
Spark plug maintenance (Fig. 14)
1) Remove the spark plug cap.
2) Use the spark plug socket wrench to remove the spark plug.
3) Visually inspect whether the spark plug insulator is damaged. Replace the spark plug if it is damaged.
4) Measure the spark plug clearance with a thickness gauge. Bend the side electrodes to adjust the clearance. The clearance
must be between 0.70 and 0.80 mm.
5) Check whether the spark plug gasket is in good condition.
6) Put the spark plug back in its original position, tighten it with the spark plug socket wrench and press down the spark
plug gasket. Cover the spark plug cap.
STORAGE
Warning: • Allow the generator to cool before storing it.
• If long-term storage is required, make sure the storage area is clean and dry.
1) Drain fuel from the fuel tank.
2) Clean the fuel filter, O-ring and precipitation cup.
3) Unscrew the carburetor drain bolt and drain the fuel from the carburetor entirely, then put the carburetor drain bolt back in place and tighten it.
4) Unscrew the oil gauge and oil drain bolt on the crankcase and drain the oil in the crankcase. Afterwards, tighten the drain bolts, add new oil to the upper limit
and put the oil gauge back in its original position.
5) Remove the spark plug and pour a tablespoon of clean engine oil into the combustion chamber. Turn the crankshaft several times to distribute the oil.
Reinstall the spark plugs.
6) Place the generator set in a clean and dry area.
TROUBLESHOOTING
Problem
The engine will not start
No voltage
11
Possible cause
Insufficient fuel
Insufficient engine oil in the crankcase
Spark plug malfunction
Carburetor malfunction
The circuit breaker is not in the ''ON'' position
The electrical devices connected to the generator are damaged
or malfunctioning
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Oil dipstick
Oil drain bolt
Fig. 11
Filter
Air filter
cover
Fig. 13
Solution
Add fuel
Add or replace oil
Replace the spark plug
Check and clean the carburetor
Switch the circuit breaker to the ''ON'' position
Repair the damaged or malfunctioning electrical
devices or connect another electrical device to the
generator
Oil upper limit
Fig. 12
Oil lower limit
Tighten
Mainten
the bolt
ance
Maintenance
cover
cover knob
0.70-0.80 mm
Fig. 14
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