Float Calibration (For Header With Sensors)

The pressure sensor is calibrated for the header installed on the combine in the float system calibration procedure. The float calibration procedure must be performed when a header is initially hooked up if the ground pressure (float) mode of operation will be used.

Prepare Header For Calibration:

Turn the key switch to the run position.

Hook up header to the combine and ensure header harness is connected to combine harness. Move the machine onto a level surface.

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Press the diagnostic switch. dIA will appear on the triple display tachometer.

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Press the calibration switch tuntil CAL and ACF appear on the tachometer.

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Press the up or down arrow switch to access the FLO calibration mode. CAL and FLO will appear on the tachometer.

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Press the enter switch to access the float calibration mode. FLO and H-FL should appear on the tachometer.

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While in this mode, the feederhouse may be moved in open loop control.

With the header lift switch on the multifunction lever, lower the header until the cutterbar is about 100 mm (3.94 in.) above ground level (the header must not touch the ground).

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Press the calibration switch (the header must not touch the ground) to record the float calibration level. 103 and EOC will appear on the tachometer.

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Press the enter switch to store the float calibration pressure in the header controller. 103 and FCAL will appear on the tachometer.

Press the back arrow switch twice to return to normal operation.

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