TROUBLESHOOTING
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Problem |
| Cause |
| Remedy |
Cylinder rod will not | 1. | Broken drive shaft. | 1. | Return unit to Sears service center. |
move | 2. | Shipping plugs left in hydraulic hoses. | 2. | Disconnect hydraulic hoses, |
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| remove shipping plugs, reconnect |
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| hoses. |
| 3. Set screws in coupling not adjusted | 3. See operator’s manual for correct | ||
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| adjustment. | ||
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| properly. |
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| 4. Correct engine/pump alignment as | ||
| 4. | Loose shaft coupling. | ||
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| necessary. | ||
| 5. | Gear sections damaged. |
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| 5. Return unit to Sears service center. | |||
| 6. | Damaged relief valve. | ||
| 6. Return unit to Sears service center. | |||
| 7. | Hydraulic lines blocked. | ||
| 7. Flush and clean hydraulic system. | |||
| 8. | Incorrect oil level. | ||
| 8. Check oil level. Refill if necessary. | |||
| 9. Damaged or blocked directional valve. | |||
| 9. Return unit to Sears service center. | |||
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Slow cylinder shaft | 1. | Gear sections damaged. | 1. Return unit to Sears service center. | |
speed while extending | 2. | Excessive pump inlet vacuum. | 2. Make certain pump inlet hoses are | |
and retracting. |
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| clear and unblocked. Use short, |
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| large diameter inlet hoses. |
| 3. | Slow engine speed. | 3. Return unit to Sears service center. | |
| 4. Return unit to Sears service center. | |||
| 4. | Damaged relief valve. | ||
| 5. Check oil level. Refill if necessary. | |||
| 5. | Incorrect oil level. | ||
| 6. Drain oil, clean reservoir, and refill. | |||
| 6. | Contaminated oil. | ||
| 7. Return unit to Sears service center. | |||
| 7. Directional valve leaking internally. | |||
| 8. Return unit to Sears service center. | |||
| 8. | Internally damaged cylinder. | ||
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Leaking Cylinder | 1. | Broken seals. | 1. Return unit to Sears service center. | |
| 2. | Scored cylinder. | 2. Return unit to Sears service center. | |
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NOTE: This section addresses minor service issues. For further details, contact Sears service information line by calling
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