28
Troubleshooting
Problem
Possible Cause(s)
Possible Solution(s)
Excessive vibration
1. Loose bearing block bolts
2. Loose blade hub
3. Blade not freely spinning
4. Broken, bent, or warped blade
5. Blade hub not seated properly on
shaft
1. Tighten bolts
2. Tighten blade hub nut or blade bolts
3. Clear blade of obstruction or replace
blade.
4. Replace blade
5. Remove blade; clean hub and
shaft; lubricate with anti-sieze, reseat
Overheating bearing
block
1. Insufficient lubricant level
2. Improper lubricant
3. Debris build-up around bearing block
4. Worn Bearings
1. Fill to full level
2. Replace with correct lubricant
3. Remove debris
4. Rebuilt Bearing Block/Consult Dealer
Noisy bearing block
1. Worn bearings
2. Insufficient lube level
1. Replace bearing
2. Add lube.
Leaking
Bearing Block
1. Damaged grease seal
2. Bent shaft
3. Grease seal installed incorrectly
4. Grease level too high
5. Shaft rough or pitted in grease seal
area
6. Shaft bore worn in casting
7. Loose bolts
1. Replace seal
2. Replace seal and shaft
3. Replace seal
4. Replace vent plug (vent is blocked)
5. Replace shaft
6. Replace casting or bearing block
7. Tighten bolts.
Short carbide life
1. Cutting too low
2. Cutting in sandy or rocky conditions
3. Inadequate carbide tips
4. Ground speed too fast
1. Increase cutting height
2. Increase cutting height
3. Replace with Brown carbide tips
4. Slow ground speed
Not cutting clean
1. Dull carbide tips
2. Insufficient hydraulic flow
3. TreeSaw not level
4. Ground speed too fast
5. Blade not spinning freely
6. Low engine RPM
1. Sharpen and balance or replace blade tips
2. Use correct hydraulic flow
3. Adjust TreeSaw
4. Reduce ground speed
5. Clear blade of obstruction
6. Maintain RPM to correct blade speed
