Makita EH7500W, EH5000W, EH6000W instruction manual Storage

STORAGE

-When keeping the machine in storage for a long time, drain fuel from the fuel tank and carburetor, as follows: Drain all fuel from the fuel tank.

-Remove the spark plug and add a few drops of oil into the spark plug hole. Then, pull the starter gently to confirm that oil film covers inside of the engine and tighten the spark plug.

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

MAINTENANCE SCHEDULE

After each refuelling	Throttle lever	Check the function
	I-O switch	Check the function
Before each use	Engine assembly,	Visually check for damage and tightness
	screws and nuts	Check for general condition and security
	Air filter	Clean
	Cooling air duct	Clean
	Cutting tool	Check for damage and sharpness
	Idling speed	Inspection (cutting tool must not move)
	Fuel tank	Check and clean
Every 50 hours	Gear case	Supply grease
Weekly	Spark plug	Check and replace if necessary
Yearly	Fuel pipe	Replace
Biyearly	Tank cap	Replace
Before long term storage	Fuel tank	Empty and clean
	Carburetor	Operate until the engine runs out of fuel
	Suction head	Replace

FAULT LOCATION

Fault	System	Observation	Cause
Engine not starting or	Ignition system	Ignition spark is present	Faulty fuel supply or compression system, mechanical
under difficulties			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, suction
			head (gas line filter) dirty, fuel supply line bent or
			interrupted
	Compression	Inside of engine	Cylinder bottom gasket defective, crankshaft seals
			damaged, cylinder or piston rings defective
		Outside of engine	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, have it cleaned
		existing
Engine starts but dies	Fuel supply	Tank filled	Incorrect idling adjustment, suction head or carburetor
immediately			contaminated
			Fuel tank vent defective, fuel supply line interrupted,
			cable or I-O switch faulty
Insufficient performance	Several systems may	Engine idling	Air filter contaminated, carburetor contaminated, muffler
	simultaneously be		clogged, exhaust duct in the cylinder clogged
	affected

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