Eliminating malfunctions
127
Hydraulic
Cutterbar
Problem Cause Solution Page
Hydraulic pressure does not rise Contaminated oil > Drain and clean the circuit
and fill with new oil
Proportional pressure control
val ve does not work correctl y
> Check the pressure control
valve
Problem Cause Solution Page
Loss of crop Crop cut too small > Reduce the number of
knives
50
Accumulation behind the rotor Cutting length too short > Reduce the number of
knives
50
Crop wrapped around the rotor Scraper not adjusted optimally > Adjust the scraper 101
Excessive output of the imple-
ment
Blunt kni ves > Sharpen the knives 98
PTO shaft speed too slow > Increase the PTO shaft
speed
Drive speed too high > Reduce the drive speed
The kni ves cannot be moved to
the cutti ng position
Dirt on the knife bracket restricts
swivelling in and out
> Clean the knives and crop
pick-up
121
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