Oliver 4240, Owner'S Manual, Page: 16 / 22

16
Troubleshooting
Description of Symptoms Possible Cause Corrective Action
Machine will not start
1. Fuse blown or circuit breaker
tripped
2. Cord Damaged
3. Faulty switch
4. Not connected to power
source
5. No power to machine
6. Emergency
stop button
pressed
1. Replace fuse or reset circuit
breaker
2. Have cord replaced
3. Replace switch
4. Check connection
5. Check voltage
6. Rotate emergency stop button
clockwise until it pops out
Cutterhead does not come up to
speed
1. Cable too light or too long
2. Low current
3. Motor not wired for correct
voltage
1. Replace with adequate size
cable
2. Contact local electric
company
3. Refer to motor nameplate for
correct voltage
Unsatisfactory finish
1. Dull Knives
2. Gum or pitch on knives 1. Sharpen or replace knives
2. Clean or replace knives
Excessive vibration
1. Machine not level.
2. Damaged knives
3. Bad V-belts
4. Bent pulley
5. Improper motor mounting
6. Loose hardware
1. Reposition on flat, level
surface
2. Replace knives
3. Replace V-belts
4. Replace pulley
5. Check and adjust motor
6. Tighten hardware
Adjustments do not move freely.
Sawdust and debris in
mechanisms
Clean and regrease
Finished stock is concave on the
end
Knife is higher than the
outfeed table
Adjust the outfeed table to the
highest point of the cutting
circle
Back end of the stock is thicker
than the front end
Knife is higher that the outfeed
table
Adjust the outfeed table to the
highest point of the cutting
circle
Finished stock is concave or
convex in the middle
Tables are not level with each
other.
Level one of the tables to the
other.