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| troubleshooting | |
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| Troubleshooting | |||
Symptom |
| possible problem |
| Solution |
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| The main output shaft of the gearbox |
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| assembly should be checked for straightness. |
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| Main shaft? |
| The main shaft must run straight and cannot |
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| be more than 0.003"" (0.08 mm) out of round |
Machine has a perceptible rolling motion |
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| at the spider attachment point. |
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| Check to make sure that both fi ngers of the | |
while running. |
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| Yoke? |
| yoke press evenly on the wear cap. Replace | |
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| yoke as necessary. |
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| Check to ensure that each blade is adjusted |
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| Blade Pitch? |
| to have the same pitch as all other blades. |
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| Adjust per maintenance section in manual. |
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| Worn |
| Replace |
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| Hand clutch out of adjustment? |
| Adjust per instructions in maintenance |
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| section of this manual. | |
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Clutch slipping or sluggish response to |
| Worn or defective hand clutch parts? |
| Replace parts as necessary. |
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| Rotate input shaft by hand. If shaft rotates | |
engine speed change. |
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| Worn bearings in gearbox? |
| with diffi culty, check the input and output | |
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| shaft bearings. Replace as necessary. |
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| Verify that the gearbox shaft rotates when |
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| Worn or broken gears in gearbox? |
| the input shaft is rotated. Replace both the |
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| worm and worm gear as a set. |
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| Defective clutch? |
| Replace clutch. |
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| Broken |
| Replace |
Trowel blades do not rotate. |
| Defective ON/OFF switch? |
| Check and replace ON/OFF switch if |
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| necessary. | ||
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| Defective centrifugal ON/OFF switch? |
| Check and replace centrifugal ON/OFF |
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| switch if necessary. | |
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b46s90
