Herzberg HG-5200 Manuel D'instructions page 15

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you find out abnormalities repair them for the next use.
2. Extract fuel from the tank and loose the drain screw of the float cabin to
extract fuel turn on the engine and leave it running until it stops naturally.
3. Remove the spark plug and put in 1-2cc of 2-cycle oil in the engine. Draw
the starter rope 2-3 times, set the plug back and stop it at the contraction
position.
4. Apply anti-rust oil to the metal parts such as the throttle wire put the cove
on the blade and keep it indoor avoiding dampness.