TROUBLE SHOOTING
BELT CONDITIONS
PROBLEM | POSSIBLE CAUSE | SOLUTION |
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Belt slippage | Mower overloading; material too | Reduce tractor ground speed but |
| tall or heavy | maintain full PTO rpm. Cut material |
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| twice, one high pass and then mow at |
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| desired height. Cut |
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| pass. |
| Oil on belt from over lubricating | Be careful not to over lubricate. Clean |
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| lubricant from belt and pulleys with |
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| clean rag. Replace |
| Belt hung up or rubbing | Check belt position in pulleys and |
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| idlers. Check belt for free travel in pul- |
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| leys. Check under mower and around |
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| blade spindle shaft for wire, rags, or |
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| other foreign material. Clean all mate- |
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| rial from under mower. |
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Frayed edges on belt cover | Belt is misaligned | |
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| rub any other part while running. |
| Pulley is misaligned | Inspect to ensure belt is running in |
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| center of backside idler. Shim idler as |
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| necessary to align. |
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Belt rollover | Pulley is misaligned | |
| Damaged belt | Replace belt. * |
| Foreign object in pulley groove | Inspect all pulley grooves for rust, |
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| paint, or weld spots and remove. |
| Worn pulley groove | Replace pulley. |
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Damaged belt | Rollover, high shock loads or | Replace belt. * |
| installation damaged |
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Belt breakage | High shock loads | Avoid abusive mowing. Avoid hitting |
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| the ground or large obstructions. |
| Belt came off drive | Check pulleys for foreign material in |
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| grooves. Avoid hitting solid objects or |
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| ground. |
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*Check belt for damage by laying it flat on the floor. A belt that does not lie flat (has humps or twists, indicating broken or stretched cords) must be replaced.
MAN0260 (Rev. 1/12/2007) | Owner Service 19 |
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