OPERATION
14. TROUBLESHOOTING GUIDE
Problem | Possible Cause | Remedy |
Not Cutting Clean | Blades dull. | Sharpen or replace Blades. |
| Carrier RPM too low. | Use correct PTO speed and check for |
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| correct gearbox ratio. See specifica- |
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| tions. |
| Tires mashing down grass. | Reverse direction of cutting and drive |
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| with one tractor tire out of cutter over- |
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| lap area. Conditions to wet to cut. |
| Ground speed too fast. | Reduce ground speed by shifting to a |
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| lower gear. |
| Blades locked back. | Free blades. |
| Blades riding up due to Blade bolt | Replace blade bolts. |
| wear or loose bolts. |
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| Cutter not level. | See Cutting Adjustment Height. |
| Blades bent up. | Replace Blades. |
Excessive Vibrations | Check Gearbox bolts. | Tighten if loose. |
| Check for loose nuts on bladeholder | Tighten if loose. |
| and blades. |
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| Check for bent output shaft. If shaft | Replace shaft if bent. |
| is bent, oil will normally leak from |
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| bottom seal. |
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| Check to see if blades are free | Free blades so they swing. |
| swinging. |
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| Check for even wear on each blade | Weigh blades. Weight should be within |
| tip. Were both blades changed at | 1 oz. Always replace both blades. |
| the same time. |
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| Blade broken. | Replace blades, in set. |
| Blade carrier bent. | Replace carrier. |
| Blade hub not properly seated on | Remove hub, check tapered spline |
| shaft. | shaft, clean and replace. |
| New blade or bolts matched with | Replace blades or bolts in sets. |
| worn blades or bolts. |
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| Drivelines not phased correctly. | Replace driveline |
| Implement & tractor yokes must |
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| be in line. |
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Blades Wear Fast | Cutting in sandy or rocky conditions | Increase cutting height. |
Blade Bolts | Bolts not tightened. | Tighten Bolts to 300 ft./lbs. |
| Bolt hole elongated or oversized. | Replace Blade Carrier. |
| Locknut worn out. | Replace Locknut. |
Gearbox Noisy | Rough gears. | Run in or change Gears. |
SE4 05/05 | Operation Section |
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© 2005 Alamo Group Inc. |
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