Trouble possible cause(s) corrective action – Toro 13AX60RG744 User Manual
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SECTION 12: TROUBLESHOOTING
Trouble
Possible Cause(s)
Corrective Action
Engine fails to start
PTO (Blade Engage) lever engaged.
Parking brake not engaged.
Spark plug wire disconnected.
Throttle/choke control not in correct
starting position.
Choke not activated
Fuel tank empty, or stale fuel.
Blocked fuel line.
Faulty spark plug.
Engine flooded.
Place PTO (Blade Engage) lever in (OFF) position.
Engage parking brake.
Connect wire to spark plug.
Move Throttle/Choke Control into CHOKE position.
Move Throttle/Choke Control into CHOKE position.
Fill tank with clean, fresh (less than 30 days old) gas.
Clean fuel line or replace fuel filter.
Clean, adjust gap or replace plug.
Crank engine with throttle in FAST position.
Engine runs erratic
Unit running with CHOKE activated.
Spark plug wire(s) loose.
Blocked fuel line or stale fuel.
Vent in gas cap plugged.
Water or dirt in fuel system.
Dirty air cleaner.
Move Throttle/Choke Control out of CHOKE position.
Connect and tighten spark plug wire(s).
Clean fuel line; fill tank with clean, fresh (less than 30
days old) gasoline. Replace fuel filter, if so equipped.
Clear vent or replace cap if damaged.
Drain fuel tank. Refill with clean, fresh (less than 30
days old) gasoline.
Replace air cleaner paper element or clean foam
precleaner.
Engine overheats
Engine oil level low.
Air flow restricted.
Fill crankcase with proper capacity and weight of oil.
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
wide.
Dirty air cleaner.
Replace spark plug. Set plug gap.
Replace air cleaner element or clean pre-cleaner.
Excessive vibration
Cutting blade loose or unbalanced.
Damaged or bent cutting blade.
Tighten blade and spindle. Balance blade.
Replace blade.
Mower will not mulch grass
Engine speed too low.
Wet grass.
Excessively high grass.
Dull blade.
Place throttle in FAST (rabbit) position.
Do not mow when grass is wet; wait until later to cut.
Mow once at a high cutting height, then mow again at
desired height or make a narrower cutting swath.
Sharpen or replace blade.
Uneven cut
Deck not balanced properly.
Dull blade.
Uneven tire pressure.
Perform side-to-side deck adjustment.
Sharpen or replace blade.
Check tire pressure in all four tires.
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