Toro 14AP80RP744 manual Troubleshooting, Trouble Possible Causes Corrective Action

SECTION 13: TROUBLESHOOTING

Trouble	Possible Cause(s)	Corrective Action
Engine fails to start	PTO (Blade Engage) knob engaged.	Place PTO (Blade Engage) knob in disengaged (OFF)
		position.
	Parking brake not engaged.	Engage parking brake.
	Spark plug wire(s) disconnected.	Connect wire(s) to spark plug.
	Cchoke control not in correct starting	Pull Choke Control into CHOKE position.
	position.
	Choke not activated	Pull Choke Control into CHOKE position.
	Fuel tank empty, or stale fuel.	Fill tank with clean, fresh (less than 30 days old) gas.
	Blocked fuel line.	Clean fuel line or replace fuel filter.
	Faulty spark plug(s).	Clean, adjust gap or replace plug.
	Engine flooded.	Crank engine with throttle in FAST position.
Engine runs erratic	Unit running with CHOKE activated.	Push Choke Control out of CHOKE position.
	Spark plug wire(s) loose.	Connect and tighten spark plug wire(s).
	Blocked fuel line or stale fuel.	Clean fuel line; fill tank with clean, fresh (less than 30
		days old) gasoline. Replace fuel filter, if so equipped.
	Vent in gas cap plugged.	Clear vent or replace cap if damaged.
	Water or dirt in fuel system.	Drain fuel tank. Refill with clean, fresh (less than 30
		days old) gasoline.
	Dirty air cleaner.	Replace air cleaner paper element or clean foam
		precleaner.
Engine overheats	Engine oil level low.	Fill crankcase with proper capacity and weight of oil.
	Air flow restricted.	Clean grass clippings and debris from around the
		engine’s cooling fins and blower housing.
Engine hesitates at high RPM	Spark plug gap too close.	Remove spark plug and reset the gap.
Idles poorly	Spark plug fouled, faulty or gap too	Replace spark plug. Set plug gap.
	wide.
	Dirty air cleaner.	Replace air cleaner element or clean pre-cleaner.
Excessive vibration	Cutting blade loose or unbalanced.	Tighten blade and spindle. Balance blade.
	Damaged or bent cutting blade.	Replace blade.
Mower will not mulch grass	Engine speed too low.	Place throttle in FAST (rabbit) position.
	Wet grass.	Do not mow when grass is wet; wait until later to cut.
	Excessively high grass.	Mow once at a high cutting height, then mow again at
		desired height or make a narrower cutting swath.
	Dull blade.	Sharpen or replace blade.
Uneven cut	Deck not balanced properly.	Perform side-to-side deck adjustment.
	Dull blade.	Sharpen or replace blade.
	Uneven tire pressure.	Check tire pressure in all four tires.

29