Echo X750-005 05 7, X750409-3607 manual Trouble Shooting, Trouble Engine hard to start Cause Remedy

TROUBLE SHOOTING

Trouble

Engine - hard to start Cause Remedy

-does not start

Engine	Fuel at	No fuel	• Fuel filter clogged	• Clean or replace
cranks	carburetor	at carburetor	• Fuel line clogged	• Clean
			• Carburetor	• Ask your ECHO dealer
	Fuel at	No fuel at	• Carburetor	• Ask your ECHO dealer
	cylinder	cylinder
		Silencer wet	• Fuel mixture is too rich	• Open choke
		with fuel		• Clean/replace air filter
				• Adjust carburetor
				• Ask your ECHO dealer
	Spark at	No spark at	• Ignition switch off	• Turn switch on
	end of	end of plug	• Electrical problem	• Ask your ECHO dealer
	plug wire	wire
	Spark at	No spark at	• Spark gap incorrect	• Adjust 0.6 to 0.7 mm
	plug	plug		(0.024 to 0.028 in)
			• Covered with carbon	• Clean or replace
			• Fouled with fuel	• Clean or replace
			• Spark plug defective	• Replace plug
Engine			• Internal engine problem	• Ask your ECHO dealer
does not
crank
Engine	Dies or		• Air filter dirty	• Clean or replace
runs	accelerates poorly		• Fuel filter dirty	• Clean or replace
			• Fuel vent blocked	• Clean
			• Spark plug	• Clean and adjust/replace
			• Carburetor	• Adjust
			• Cooling system blocked	• Clean
			• Exhaust port/spark	• Clean
			arrester screen blocked

WARNING

•ALL ENGINE DRILL SERVICE OPERATIONS, OTHER THAN ITEMS LISTED IN THE OPERATOR’S MANUAL, SHOULD BE PERFORMED BY AN AUTHORIZED ECHO DEALER.

•FUEL VAPORS ARE EXTREMELY FLAMMABLE AND MAY CAUSE FIRE AND/OR EXPLOSION. NEVER TEST FOR IGNITION SPARK BY GROUNDING SPARK PLUG NEAR CYLINDER PLUG HOLE, OTHERWISE SERIOUS PERSONAL INJURY MAY RESULT.

13