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
valve does not work correctly
> Check the pressure control
valve
Problem
Cause
Solution
Page
Loss of crop
Crop cut too small
> Reduce the number of
knives
Accumulation behind the rotor
Cutting length too short
> Reduce the number of
knives
Crop wrapped around the rotor Scraper not adjusted optimally
> Adjust the scraper
Excessive output of the imple-
ment
Blunt knives
> Sharpen the knives
PTO shaft speed too slow
> Increase the PTO shaft
speed
Drive speed too high
> Reduce the drive speed
The knives cannot be moved to
the cutting position
Dirt on the knife bracket restricts
swivelling in and out
> Clean the knives and crop
pick-up
Содержание RF 2235
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