OPERATION
15. TROUBLESHOOTING GUIDE
Problem | Possible Cause | Remedy |
CUTTER VIBRATES | Blade locked back. | Loosen locked Blade. |
| Drivelines not phased. | Replace Driveline. |
| Blade broken. | Replace Blades in sets. |
| Blade Carrier bent. | Repair or replace Carrier. |
| Blade Hub not properly | Remove Hub, check for wear |
| seated on Shaft. | and replace or seat properly. |
| 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 matched with | Replace Blades in sets. |
| worn Blade. |
|
Not Cutting Clean | Blades dull. | Sharpen or replace Blades. |
| Blade rotation incorrect. | Use correct Blade for Carrier. |
| Using Straight Blades. | Use Fan Blades in grass. |
| Carrier RPM too low. | Increase PTO speed. |
| Mower not level. | Adjust machine level (in very |
|
| heavy weeds, 1/2" to 1" low in front). |
| Tractor tires mashing down grass. | Use offset adapter to move cutter to |
|
| the left. |
| 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. |
|
| Blades bent up. | Replace Blades. |
Blades Wear Fast | Cutting in sandy or rocky conditions. | Increase cutting height. |
| Blades too soft. | Replace Blades; with hardened, |
|
| |
|
| from the manufacturer. |
Blade Bolts Working Loose | Bolts not tightened. | Tighten Bolts to 300 ft./lbs. |
| Bolt hole elongated or oversized. | Replace Blade Carrier. |
| Locknut worn out. | Replace Locknut. |
Gearbox Noisy | Improper Backlash. | See your local Alamo Industrial Dealer. |
| Rough gears. | Run in or change Gears. |
| Worn Bearing. | Replace Bearing. |
A84B 03/07 | Operation Section |
© 2007 Alamo Group Inc.
