Toro 30431, Operator'S Manual, Page: 46 / 48

46
PROBLEM CORRECTIVE ACTION POSSIBLE CAUSES
Uneven cutting height.
1. Blade(s) not sharp. 1. Sharpen blade(s).
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2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s).
3. Mower is not level. 3. Level mower from side-to-side
and front-to-rear.
4. Underside of mower is dirty. 4. Clean the underside of the
mower.
5. Tire pressure is incorrect. 5. Adjust tire pressure.
6. Blade spindle bent. 6. Contact Authorized Service
Dealer.
Blades do not rotate. 1. PTO Drive belt is worn, loose
or broken.
1. Install new drive belt.
2. PTO Drive belt is off pulley. 2. Install drive belt and check
adjusting shafts and belt guides
for correct position.
3. Deck belt is worn, loose or
broken.
3. Install new deck belt.
4. Deck belt is off pulley. 4. Install deck pulley and check
the idler pulley, idler arm and
spring for correct position and
function.
5. Broken or missing idler
spring. 5. Replace idler spring