215575 132 Revision B
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Figure 4.59: Case IH Combine Display
6. The SETTINGS page updates to display the voltage in
VALUE/STATUS field (A). Lower the feeder house fully, and
then raise it 305 mm (12 in.) off the ground to view the full
range of voltage readings.
7. If the sensor voltage is not within the low and high limits
shown in 4.4 Height Sensor Output Voltage Range –
Combine Requirements, page 111, or if the range between
the low and high limits is insufficient, you need to make
adjustments to the height sensors. For instructions, refer to
4.4.2 Adjusting Header Height Sensor Voltage Range – Left
Side, page 114 and 4.4.3 Adjusting Header Height Sensor
Voltage Range – Right Side, page 114.
4.6.3 Calibrating Auto Header Height Control (Case IH 5130/6130/7130;
5140/6140/7140)
The auto header height control (AHHC) sensor output must be calibrated for Case IH 5, 6, and 7 (Midrange) series
combines, or the AHHC feature will not work properly.
NOTE:
This procedure applies to combines with a software version below 28.00. For instructions on calibrating the AHHC for
combines with software version 28.00 or above, refer to 4.7.4 Calibrating Auto Header Height Control (Case IH 7010/8010;
7120/8120/9120; 7230/8230/9230; 7240/8240/9240) – Software Versions Above 28.00, page 141.
NOTE:
Changes may have been made to the combine controls or the display since this document was published. For instructions,
refer to the combine operator’s manual for updated information.
Figure 4.60: Calibrating Auto Header Height
1. Ensure that all header electrical and hydraulic connections
are complete.
2. Lower the combine feeder house all the way down.
3. Hold the DOWN button for 2 seconds.
4. Push the RAISE button and hold it until the feeder house
travels all the way up. It will stop 61 cm (2 ft.) above the
ground for 5 seconds, then it will resume rising. This is an
indication that the calibration procedure has been
successful.
AUTO HEADER HEIGHT CONTROL
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