8. Maintenance
MA4
■MUFFLER
WARNING
•Inspect periodically, the muffler for loose fasteners, any damage or corrosion. If any sign of exhaust leakage is found, stop using the machine and have it repaired immediately.
•Note that failing to do so may result in the engine catching on fire.
■INTAKE AIR COOLING VENT
WARNING
•Never touch the cylinder, muffler, or spark plugs with your bare hands immediately after stopping the engine. The engine can become very hot when in operation, and doing so could result in severe burns.
•Clean the cylinder fins with compressed air or a brush. (MA4)
(1)cylinder fin
(2)intake air cooling vent (back)
IMPORTANT
•If waste gets stuck and causes blockage around the intake air cooling vent or between the cylinder fins, it may cause the engine to overheat, and that in turn may cause mechanical failure on the part of the