OPERATION
15. TROUBLESHOOTING GUIDE
Problem | Possible Cause | Remedy |
Excessive Vibration | Check gearbox bolts. | Tighten if loose. |
| Check for loose nuts on | Tighten if loose. |
| bladeholder and blades. |
|
| Check for bent output shaft. If | Replace shaft if bent. |
| shaft is bent, oil will normally |
|
| leak from bottom seal. |
|
| Check to see if blades are | Free blades so they swing. |
| swinging. |
|
| Check for even wear on each | Weigh blades. Weight should be within |
| blade tip. Were both blades | 1 oz. Always replace both blades. |
| changed at the same time? |
|
| Blade broken. | Replace blades, in sets. |
| Blade carrier bent. | Replace carrier. |
| Blade hub not properly seated | Remove hub, check tapered spline |
| on shaft. | shaft, clean and replace. |
| New blade or bolts matched with | Replace blades or bolts in sets. |
| worn blade or bolts. |
|
| Drivelines not phased correctly. | Replace driveline. |
| Implement & tractor yokes must |
|
| be in line. |
|
Not Cutting Clean | Blades dull. | Sharpen or replace Blades. |
| Blade rotation incorrect. | Use correct blade for carrier rotation. |
| Carrier RPM too low. | Use correct PTO speed and check for |
|
| correct gearbox ratio. |
| Mower not level. | Adjust machine. |
| Tractor tires mashing down grass. | Move tires out of cutter overlap area. |
|
| Minimum 60” inside tires. |
| Ground speed too fast. | Reduce ground speed |
| Blades locked back. | Free blades. |
| Blades riding up due to blade bolt | Replace blade bolts. |
| wear. |
|
SX15 01/09 | Operation Section |
© 2009 Alamo Group Inc.
