KUHN FC883RA, Operator'S Manual, Page: 97 / 104

Trouble shooting guide
Mower conditioner
FC883RA
95
$ TROUBLE SHOOTING GUIDE
-
Problem Cause Remedy
Uneven stubble.
Dull or broken knives. Replace knives.
Knives not installed correctly.
Make sure the arrow on the
knife upper face is pointing in
the disc's direction of rotation.
Too low PTO speed (rotational
frequency).
Increase speed to 1000 min
-1
.
Soil build up in front of the
cutterbar.
Too much cutterbar down
pressure.
Increase accumulator
pressure.
Very wet working conditions.
Adjust main frame height with
regards to the ground.
Bad ground contour
adaptation.
Incorrect main frame setting.
Adjust main frame height with
regards to the ground.
Excessive ground speed. Reduce ground speed.
Insufficient ground pressure. Reduce accumulator pressure.
Obstruction of conditioning
rotor.
Insufficient rotor speed
(rotational frequency).
Check that the rotor drive belts
are correctly tensioned.
Too low PTO speed (rotational
frequency).
Increase speed to 1000 min
-1
.
Swath shields too closed. Open swath shields.
Machine requires too much pull
power.
Too much cutterbar down
pressure.
Adjust the mowing unit ground
pressure.