8. Maintenance
F9
F10
•Operation with no fuel filter cause clogging of the carburetor.
Fuel Filter Part No.
■SPARK PLUG
WARNING
Do not touch the spark plug with bare hands immediately after stopping the engine. There is a possibility of burns by high temperature.
After every 25 hours of operation, remove the spark plug and clean the electrode using wire brush, etc. (F9)
Recommended plug gap is 0.6~0.7mm. Use the specified plug for replacement.
IMPORTANT
Excess fuel and poor quality oil may contaminate the plug electrode and end up with difficulty to start the engine.
Specified Spark Plug
Champion | : | |
NGK | : | BPM7A |
■INTAKE AIR COOLING VENT
WARNING
Never insert anything into the intake air cooling vent during engine operation.
It may crush with internal rotating components.
After every 25 hours of operation, check the intake air cooling vent and cylinder fins and remove any dirt. (F10)
IMPORTANT
Clogging of the air cooling vent and cylinder fins may cause overheating of the engine and result in engine failures.
