Makita RBC411 instruction manual Storage, Fault location

Storage

–When the machine is in storage for a long time, drain fuel from the fuel tank and carburetor, as follows: Drain all fuel from the fuel tank. Dispose of properly and in accordance with all local laws.

–Remove the spark plug and a few drops of oil into the spark plug hole. Then, pull the starter gently, so that oil covers the engine inside and tighten the spark plug.

–Clear dirt or dust from the cutter blade and outside of engine, wipe them with a oil-immersed cloth and keep the machine in a place as dry as possible.

Drain fuel

Humidity

Fault location

Fault	System	Observation	Cause
Engine not starting or with	Ignition system	Ignition spark O.K.	Fault in fuel supply or compression system, mechanical
difficulty			defect
		No ignition spark	I-O switch operated, wiring fault or short circuit, spark
			plug or connector defective, ignition module faulty
	Fuel supply	Fuel tank filled	Incorrect choke position, carburetor defective, fuel
			supply line bent or blocked, fuel dirty.
	Compression	No compression when	Cylinder bottom gasket defective, crankshaft seals
		pulled over	damaged, cylinder or piston rings defective or improper
			sealing of spark plug
	Mechanical fault	Starter not engaging	Broken starter spring, broken parts inside of the engine
Warm start problems		Tank filled ignition spark	Carburetor contaminated, must be cleaned
		existing
Engine starts but dies	Fuel supply	Tank filled	Incorrect idling adjustment, carburetor contaminated
immediately			Fuel tank vent defective, fuel supply line interrupted,
			cable or I-O switch faulty
Insufficient performance	Several systems	Engine idling poor	Air filter contaminated, carburetor contaminated, muffler
	may simultaneously		clogged, exhaust duct in the cylinder clogged
	be affected

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