FIELD OPERATION
4-8
HEADER HEIGHT CONTROL CALIBRATIONS
Purpose
To obtain a correct functioning of the automatic head-
er height control modes (compensation / stubble
height / autofloat, if installed), three calibrations have
to be performed:
S Calibration of the ground level
S Calibration of the maximum cylinder pressure
S Calibration of the ground level through autofloat
sensors (if the autofloat system is installed)
These calibrations have to be carried out:
S At the first start-off (i.e. at the factory)
S When changing the wheel size or the header
S When adding one header lift cylinder
S When system components were replaced
To calibrate the automatic system, the appropriate
header has to be attached and the combine has to be
placed on a level surface.
Perform the two or three calibrations in sequence, ex-
cept when operating a flex header: the calibration of
the ground level through autofloat has to be made
during the InfoView calibration (refer to paragraph
headed ‘ ‘InfoView Monitor’’, subheading ‘‘7. Calibra-
tions’’, further in this Section).
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