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| Troubleshooting |
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Problem |
| Possible Cause |
| Corrective Action |
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Mower pulls left or right (with levers fully | 1. | Tracking needs adjustment. | 1. | Adjust the tracking by turning knob on the |
forward). |
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| right hydro control linkage in the direction |
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| that the mower needs to be adjusted to. |
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| Turn the knob in 1/4 turn increments |
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| until the mower tracks correctly. |
| 2. | Tire pressure in drive tires not correct. | 2. | Adjust tire pressure in the drive tires. |
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Machine does not drive. | 1. | By pass valve is not closed tight. | 1. | Tighten the by pass valve. |
| 2. | Drive or pump belt is worn, loose or | 2. | Change the belt. |
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| broken. |
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| 3. | Drive or pump belt is off a pulley. | 3. | Change the belt. |
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Uneven cutting height. | 1. | Blade(s) not sharp. | 1. | Sharpen the blade(s). |
| 2. | Cutting blade(s) is/are bent. | 2. | Install new cutting blade(s). |
| 3. | Mower deck is not level. | 3. | Level mower deck from |
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| 4. | Underside of mower is dirty. | 4. | Clean the underside of the mower. |
| 5. | Tire pressure in drive tires not correct. | 5. | Adjust tire pressure in the drive tires. |
| 6. | Blade spindle bent. | 6. | Contact an Authorized Service Dealer. |
| 7. | Tips of adjacent blades are at an uneven | 7. | Replace blades, spindles and (or) check |
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| cutting height. Blades tips should be even |
| for damage to mower deck. |
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| within 3/16 inch which is approximately |
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| one blade thickness. |
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Abnormal vibration. | 1. | Cutting blade(s) is/are bent or unbalanced. | 1. | Install new cutting blade(s). |
| 2. | Blade mounting bolt is loose. | 2. | Tighten the blade mounting bolt. |
| 3. | Engine mounting bolts are loose. | 3. | Tighten the engine mounting bolts. |
| 4. | Loose engine pulley, idler pulley, or blade | 4. | Tighten the appropriate pulley. |
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| pulley. |
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| 5. | Engine pulley is damaged. | 5. | Contact an Authorized Service Dealer. |
| 6. | Blade spindle is bent. | 6. | Contact an Authorized Service Dealer. |
| 7. | Belt is damaged. | 7. | Install new belt. |
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Blades do not rotate. | 1. | Drive belt is worn, loose or broken. | 1. | Check the belt tension. |
| 2. | Drive belt is off pulley. | 2. | Check belt for damage; replace if |
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| necessary. Install drive belt and check |
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| adjusting shafts and belt guides for correct |
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| 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 |
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| pulley, idler arm and spring for correct |
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| position and function. |
| 5. | Broken or missing idler spring. | 5. | Replace the spring. |
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