| TROUBLE SHOOTING | |
Mechanics |
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Symptom | Probable cause | |
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The blade does not rotate. | Roller knobs not tightened fully. | |
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| The blade not fitted on guide rollers correctly. | |
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| Rollers tensioned too much. | |
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| Possible faulty hose connection to the hydraulic system. | |
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| Possible faulty hose connection to the drive source or other hydraulic problem. | |
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The blade rotates too slowly. | Roller knobs not tightened fully. | |
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| Worn drive wheel. | |
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| The | |
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| The springs on the guide rollers are weakened. | |
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| Dirty overpressure valve in the hydraulic system. | |
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| Valve knob on the hydraulic motor does not move the correct distance. | |
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| Defective roller bearings. | |
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| Inadequate oil flow, check the hydraulic oil flow. | |
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The blade jumps out of its position. | Roller setting too loose. | |
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| Worn guide rollers. | |
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| The blade not fitted on guide rollers correctly. | |
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| Damaged blade. | |
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The blade warps. | Rollers tensioned too much. | |
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| Blade overheating. | |
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Segments break. | Bent, twisted or badly maintained blade. | |
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The blade cuts too slowly. | Wrong blade for the material in question. | |
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| Check that the right amount of water reaches the blade. | |
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The blade slips. | The guide rollers does not move in and out freely. A seized roller can not press the blade hard | |
enough against the drive wheel. | ||
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| Worn drive wheel. Abrasive material and too little water when cutting increases the wear on | |
| the wheel. | |
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| Worn guide roller flange. When more than half of the width of the flange is worn the blade | |
| slips. | |
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| The blade’s groove and inner edge are worn. Caused by inferior flushing of abrasive material | |
| and/or a worn drive wheel causing the blade to slip. | |
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English – 19
