BROWN 815 - Troubleshooting Common Issues; Problem Diagnosis and Solutions

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Troubleshooting
Problem Possible Cause(s) Possible Solution(s)
Excessive vibration 1. Loose bearing housing bolts
2. Loose blade bar and/or blade bolts
3. Blades are not freely swinging
4. Broken, bent, or warped blades
5. Blade bar not seated properly on
shaft
1. Tighten bolts
2. Tighten blade bar nut or blade bolt nuts
3. Clear blade of obstruction
4. Replace set of blades and bolts, install shim
between blade bar and bolt.
5. Remove blade bar; clean hub and
shaft; reseat, torque nut
Overheating bearing
housing
1. Insufcient lubricant level
2. Improper lubricant
3. Debris build-up around bearing
housing
4. Bearings set improperly
1. Fill to full level
2. Replace with correct lubricant
3. Remove debris
4. Consult dealer
Noisy bearing housing 1. Failed bearing
2. Worn bearing
1. Replace bearings immediately
2. Replace bearings immediately
Leaking bearing housing 1. Damaged oil seal
2. Bent shaft
3. Oil seal installed incorrectly
4. Oil level too high
5. Shaft rough or pitted in oil seal
area
6. Shaft bore worn in casting
7. Damaged gasket seat
8. Loose bolts
1. Replace seal
2. Replace seal and shaft
3. Replace seal
4. Drain oil to proper level
5. Replace shaft
6. Replace casting or gearbox
7. Replace silicone gasket
8. Tighten bolts.
Short blade life 1. Cutting too low
2. Cutting in sandy or rocky
conditions
3. Inadequate blades
1. Increase cutting height
2. Increase cutting height
3. Replace with Brown OEM blades
Not cutting clean 1. Dull blades
2. Insufcient hydraulic ow
3. Cutter deck not level
4. Ground speed too fast
5. Blades not freely swinging
1. Sharpen or replace blades
2. Ensure couplers are attached rmly
3. Adjust cutter deck
4. Reduce ground speed
5. Clear blades of obstruction
NOTE: Most common problems are caused by DULL BLADES!
Continued use of this equipment with dull blades will shorten the life of the unit.