TROUBLESHOOTING
Mechanical Problems - Variable Speed (PWM) and ON/OFF Control
PROBLEM |
| POSSIBLE CAUSE |
| SUGGESTED SOULUTION |
Ice control material not flowing | 1. | Bridging of material in hopper. | 1. | Unplug the spreader harness |
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| and tag out if required. Check |
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| hopper for material and free any |
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| bridged material. |
| 1. | Drive belt is loose or damaged. | 1. | Unplug the spreader harness |
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| and tag out if required. |
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| Reconnect after solution. |
| 2. | Motor pulley not secured to | 2. | Adjust belt tension. Replace belt |
Spinner does not turn |
| motor shaft. |
| if damaged. |
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(Spreader motor is running) | 3. Spinner pulley is not secured to | 3. | Tighten pulley set screw. | |
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| the spinner shaft. |
| Replace pulley if damaged. |
| 4. | Spinner shaft bearings are dry or | 4. | Replace cap screw and nut if |
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| seized. |
| missing or damaged. Replace |
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| pulley if damaged. |
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| 1. | Unplug the spreader harness |
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| and tag out if required. |
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| Reconnect after solution. |
| 1. | Drive belt is loose or damaged. | 2. | Adjust belt tension. Replace belt |
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| if damaged. |
| 2. | Pulley is not secured to the | 3. | Tighten pulley set screw. |
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| spinner shaft. |
| Replace pulley if damaged |
| 3. | Pulley is not secured to the | 4. | Replace damaged or missing |
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| gearbox shaft. |
| key. Replace pulley if damaged. |
Conveyor belt not moving | 4. | Gearbox is damaged. | 5. | Replace gearbox if output shaft |
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| does not turn when input shaft | |
(Spinner is turning) |
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| turns. |
| 5. | Conveyor rollers are not secured | 6. | Replace missing cap screws and |
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| to the shafts. |
| nuts. Replace shafts or rollers if |
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| damaged. |
| 6. | Conveyor belt is loose or | 7. | Adjust belt tension. Replace belt |
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| damaged. |
| if damaged. |
| 7. | Conveyor belt is not aligned. | 8. | Align belt to ride centered on |
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| rollers. |
| 8. | Conveyor belt shaft bearings are | 9. | Grease or replace bearings. |
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| seized or otherwise damaged. |
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| 1. | Unplug the spreader harness |
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| and tag out if required. |
Material in hopper does not flow |
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| Reconnect after solution. |
1. Feedgate is closed. | 2. | Open feedgate fully, then adjust | ||
(Conveyor belt and spinner are |
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| to desired opening size. |
moving) | 2. | Obstruction in hopper. | 3. | Remove obstruction. |
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| 1. | Unplug the spreader harness |
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| and tag out if required. |
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| Reconnect after solution. |
Spread pattern not optimum |
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| 2. | Change deflector adjustment to |
1. Deflector out of adjustment. |
| suit desired pattern. (See | ||
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| “Operating the Spreader” in this |
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| manual.) |
April 1, 2005 | 20 | Lit. No. 94430/94431 |
