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5.1.1.2.
Open (anti-clockwise) the screw until the cutting attachment stops. You have
reached the correct idle speed when the engine runs smoothly in all positions well below
the rpm when the cutting attachment starts to rotate.
5.1.1.3.
If the cutting attachment still rotates after idle speed adjustment, contact your
service workshop.
5.2.
Air filter.
5.2.1.
The air filter must be cleaned from dust and dirt in order to avoid:
5.2.1.1.
Carburettor malfunctions.
5.2.1.2.
Starting problems.
5.2.1.3.
Engine power reduction.
5.2.1.4.
Unnecessary wear on the engine parts.
5.2.1.5.
Abnormal fuel consumption.
5.2.2.
Clean the air filter daily or more often if working in exceptionally dusty areas.
5.3.
Cleaning the air filter.
5.3.1.
Remove the air filter cover and the filter.
5.3.2.
Rinse it in warm soap suds. Check that the filter is
dry before reassembly. An air that has been used for
some time cannot be cleaned completely.
5.3.3.
Therefore, it must regularly be replaced with a new
one. A damaged must always be replaced.
5.4.
Fuel Filter.
5.4.1.
Drain all fuel from fuel tank and pull fuel filter line from tank.
5.4.2.
Pull filter element out of holder assembly.
5.4.3.
Replace, if it appears to be;
5.4.3.1.
Discoloured
5.4.3.2.
Hardened from use.
The filter has a white, felt-like appearance when new.
5.5.
Spark plug.
5.5.1.
The spark plug condition is influenced by;
5.5.1.1.
An incorrect carburetor setting.
5.5.1.2.
Wrong fuel mixture.
5.5.1.3.
A dirty air filter.
5.5.1.4.
Difficult running conditions – such as cold weather.
5.5.2.
These factors cause deposits on the spark plug electrodes, which may
result in malfunction and starting difficulties. If the engine is low on
power, difficult to start or runs poorly at idling speed, always check the
spark plug first. If the spark plug is dirty, clean it and check the electrode
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Summary of Contents for HYBC3000
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