TROUBLE SHOOTING
PROBLEM | PROBLEM CAUSES | SUGGESTED SOLUTION | |
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PTO Shaft shear bolt continues | PTO shaft at too great an angle. | Do not exceed a 15 degree | |
to shear |
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| angle at PTO shaft. |
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| PTO shear bolt is too soft. | Use a grade 5 shear bolt. (GKN) | |
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| Use a grade 10.9 bolt. (Comer |
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| 20 series) |
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| Use a grade 8.8 bolt. (Comer |
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| 40 series) |
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| Tilt on the snowblower is too | Reduce tilt on snowblower by | |
| great | causing an excessive | adjusting upper |
| knuckle angle. |
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Snowblower augers continue to | Tractor ground speed is too fast. | Reduce ground speed to allow | |
plug |
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| augers to clear better. |
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| Insufficient fan speed. | Increase tractor PTO speed to | |
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| 540 RPM. |
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Snow does not discharge | Insufficient fan speed. | Maintain a PTO speed of 540 | |
properly |
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| RPM. |
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| Augers | are overloaded with | Reduce ground speed. |
| snow. |
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| Snow is wet and sticky. | Reduce ground speed to allow | |
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| for better aeration of snow. |
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Snowblower tends to dig or float | Tilt on snowblower not adjusted | Adjust upper link on | |
on snow | properly. | level the blower. | |
| Skid Shoes not adjusted prop- | Adjust skid shoes to be even | |
| erly. |
| with cutting edge. |
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Chute will not turn | Insufficient lubrication. | Lubricate chute base and rotator | |
| Incorrect number of spacers. | ring. | |
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| Check that 3 spacers are being |
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| used. |
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Auger fails to turn | Auger drive shear bolt has | Replace auger drive shear bolt. | |
| sheared. |
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20 Owner Service | MAN0869 (04/13/2011) |
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