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Engine maintenance
Do a check of the fuel level and the engine oil level.
Clean the cooling fins of the engine.
Examine the air filter. Clean the air filter if it is necessary.
Clean the air filter.
Replace the air filter.
Replace the engine oil.
Do a check of the engine speed.
Examine and clean the spark plug. Replace the spark
plug if it is necessary.
Replace the spark plug.
Clean the fuel valve of the carburetor.
Clean the spark arrester screen on the muffler.
Adjust the valve head clearance for the air intake and the
exhaust valves.
Drain the fuel and clean the fuel tank and the fuel filter.
Clean and adjust the carburetor.
Replace the fuel filter.
To clean the product
•
Use running water from a hose or a high-pressure
washer to clean the product.
CAUTION: Do not point the water
directly at the fuel tank cap, electrical
components or the engine.
•
Remove grease and oil from the handle.
To do a general inspection
•
Make sure that all nuts and screws on the product
are tightened correctly.
To do a check of the engine oil level
1. Remove the oil tank cap and dipstick.
2. Clean the oil from the dipstick.
3. Put the dipstick back fully into the oil tank.
4. Remove the dipstick.
5. Examine the oil level on the dipstick.
6. If the oil level is low, fill with engine oil and do a
check of the oil level again. Refer to
on page 15 or the engine manual for the correct
type of oil.
1652 - 001 - 03.05.2021
Before use,
each 10 h
To replace the engine oil
If the engine is cold, start the engine for 1–2 minutes
before you drain the engine oil. This makes the engine
oil warm and easier to drain.
1. Put a container below the drain plug for the engine
Technical data
After the
first 20 h
X
O
X
X
X
O
WARNING: Engine oil is very hot directly
after the engine stops. Let the engine
become cool before you drain the engine oil.
If you spill engine oil on your skin, clean with
soap and water.
oil.
Weekly,
Yearly, each
each 100 h
300 h
X
X
X
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
11
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