FarmBoy
®
Petrol Engine
– 4-Stroke
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Page 31 of 36
2.
Use non-flammable solvent or dissolvent with a high ignition point to clean the
filtering element and completely dry it.
3.
Use the filtering element to adsorb the clean lubricating oil for the gasoline engine
and squeeze out the excessive oil.
4.
Reinstall the filtering element of air filter.
5.
Install the air filter cap based on the sequence of firstly mounting the buckle and
then screwing up the bolt of the air filter clockwise.
Maintenance of Spark Plug:
To ensure the normal operation of the gasoline, the clearance of the spark plug shall be
proper and free of deposit.
1.
Dismount the spark cap in the spark plug window and put it aside.
2.
Use the socket that is in proper size and special for the spark plug to dismount
the spark plug.
3.
Visually inspect the spark plug, which shall be replaced in case of obvious
breakage and damage or crack or defects on the insulator. The excessive carbon
deposition shall be also removed.
4.
Adopt the feeler gauge to measure the clearance
of the spark plug. If the adjustment is needed,
carry out the adjustment by bending the side
electrode.
5.
Check whether the washer of the spark plug is in
good condition when placing in the spark plug;
manually screw it in for 2~3 turns, and then screw
it up with the socket special for the spark plug.
