MTD 769-03342 warranty Trouble Shooting, Problem, Cause, Remedy

Problem		Cause		Remedy
Engine fails to start	1.	Choke not in ON position.	1.	Move choke to ON position.
	2.	Spark plug wire disconnected.	2.	Connect wire to spark plug.
	3.	Fuel tank empty or stale fuel.	3.	Fill tank with clean, fresh gasoline.
	4.	Engine not primed.	4.	Prime engine as instructed in
				“Operating Your Snow Thrower”.
	5.	Faulty spark plug.	5.	Clean, adjust gap, or replace.
	6.	Blocked fuel line.	6.	Clean fuel line.
	7.	Safety key not in ignition on engine.	7.	Insert key fully into the switch.
	8.	Fuel shut-ff valve closed. (If Equipped)	8.	Open fuel shut-off valve.
Engine runs erratic	1.	Unit running on CHOKE.	1.	Move choke lever to OFF position.
	2.	Blocked fuel line or stale fuel.	2.	Clean fuel line; fill tank with clean,
				fresh gasoline.
	3.	Water or dirt in fuel system.	3.	Drain fuel tank. Refill with
				fresh fuel.
	4.	Carburetor out of adjustment.	4.	Contact Service Center.
Engine overheats	1.	Carburetor not adjusted properly.	1.	Contact Service Center.
Excessive	1.	Loose parts or damaged auger.	1.	Stop engine immediately and
Vibration				disconnect spark plug wire. Tighten
				all bolts and nuts. If vibration
				continues, have unit serviced by a
				Service Center.
Loss of power	1.	Spark plug wire loose.	1.	Connect and tighten spark plug
				wire.
	2.	Gas cap vent hole plugged.	2.	Remove ice and snow from gas
				cap. Be certain vent hole is clear.
	3.	Exhaust port plugged.	3.	Contact Service Center.
Unit fails	1.	Drive control cable in need of adjust-	1.	Adjust drive control cable. Refer to
to propel itself		ment.		“Adjustments”.
	2.	Drive belt loose or damaged.	2.	Replace drive belt.
Unit fails	1.	Chute assembly clogged.	1.	Stop engine immediately and
to discharge snow				disconnect spark plug wire. Clean
				chute assembly and inside of
				auger housing with clean-out tool
				or a stick.
	2.	Foreign object lodged in auger.	2.	Stop engine immediately and
				disconnect spark plug wire.
				Remove object from auger with
				clean-out tool or a stick.
	3.	Auger control cable in need of adjust-	3.	Refer to “Auger Control Test” .
		ment.
	4.	Auger belt loose or damaged.	4.	Refer to Maintenance section.
	5.	Shear pin(s) sheared.	5.	Replace with new shear pin(s).

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Trouble-

Shooting

NOTE: This section addresses minor service issues. For further details, contact customer assistance.

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