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| Troubleshooting |
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Problem |
| Possible Cause |
| Corrective Action |
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Engine overheats | 1. | Engine load is excessive | 1. | Reduce the ground speed. |
| 2. | Oil level in the crankcase is low. | 2. | Add oil to the crankcase. |
| 3. | Cooling fins and air passages for the | 3. | Remove the obstructions from the cooling |
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| engine are plugged. |
| fins and air passages. |
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Mower pulls left or right (with levers fully | 1. | Tracking needs adjustment | 1. | Adjust the tracking. |
forward) | 2. | Tire pressure in drive tires not correct. | 2. | Adjust tire pressure in the drive tires. |
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| 3. | Reverse indicator and motion control | 3. | Adjust the reverse indicator and the |
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| linkage need adjustment. |
| motion control linkage. |
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Machine does not drive | 1. | Bypass valve is not closed tight. | 1. | Tighten the bypass 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. |
| 4. | Broken or missing idler spring. | 4. | Replace the spring. |
| 5. | Hydraulic fluid level is low or too hot. | 5. | Add hydraulic fluid to reservoir or let it |
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| cool down. |
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Abnormal vibration | 1. | Engine mounting bolts are loose. | 1. | Tighten the engine mounting bolts. |
| 2. | Loose engine pulley, idler pulley, or blade | 2. | Tighten the appropriate pulley. |
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| pulley. |
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| 3. | Engine pulley is damaged. | 3. | Contact an Authorized Service Dealer. |
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