OPERATION
14. TROUBLESHOOTING GUIDE
Problem | Possible Cause | Remedy |
Excessive Vibration | Check Gearbox Bolts | Tighten if loose. |
| Check for loose nuts on | TIghten if loose. |
| blade holder and blades. |
|
| Check for bent output shaft. | Replace shaft if bent. |
| If shaft is bent, oil will |
|
| normally leak from bottom |
|
| seal. |
|
| Check to see if blades are | Free blades so they swing. |
| free swinging. |
|
| Check for even wear on | Weigh Blades. Weight should be within |
| each blade tip. Were both | 1 oz. Always replace both blades. |
| blades changed at the same |
|
| time? |
|
| Blade Broken. | Replace blades, in set. |
| Blade Carrier Bent. | Replace carrier. |
| Blade hub not properly | Remove hub, check tapered spline |
| seated on shaft. | clean and replace. |
| New blade or bolts matched | Replace blades or bolts in sets. |
| with 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. |
| Carrier RPM too low. | Use correct PTO speed and check for |
|
| correct gearbox ratio. |
| Cutter not level. | See Cutting Height Adjustment. |
| Tractor tires mashing down grass. | Reverse direction of cutting and drive |
|
| with right tractor tire out of cutter |
|
| overlap area. Conditions too wet to cut |
| Ground speed too fast. | Reduce ground speed by shifting to a |
|
| lower gear. |
| Blades locked back. | Free blades. |
| Blades riding up due to blade bolt | Replace blade bolts. |
| wear or loose bolts. |
|
| Cutting height too high. | Lower cut height as much as possible. |
Blades Wear Fast | Cutting in sandy or rocky conditions | Increase cutting height. |
EC72 03/08 | Operation Section |
© 2008 Alamo Group Inc.
