The SENSITIVITY ADJUSTMENT dial (A) controls the distance the cutterbar must travel up or down before the
AHHC reacts and raises or lowers the feeder house.
When the SENSITIVITY ADJUSTMENT dial (A) is set to maximum (turned completely clockwise), only small changes
in ground height are needed to cause the feeder house to raise or lower. In this position, the cutterbar moves up
and down approximately 3/4 in. (19 mm) before the control module signals the hydraulic control valve to raise or
lower the header frame.
When the SENSITIVITY ADJUSTMENT dial (A) is set to minimum (turned completely counterclockwise), large
changes in ground height are needed to cause the feeder house to raise or lower. In this position, the cutterbar
moves up and down approximately 2 in. (51 mm) before the control module signals the hydraulic control valve to
raise or lower the header frame.
The HEADER SENSE LINE input also changes the range of the sensitivity. When connected to a draper, the
counterclockwise position (least sensitive) allows for approximately 4 in. (102 mm) of vertical travel before correction
is made.
Troubleshooting Alarms and Diagnostic Faults (Gleaner R65/R66/R75/R76 and S Series)
NOTE:
Changes may have been made to the combine controls or display since this document was published. Refer to
the combine operator’s manual for updates.
Display type:
Displayed on tachometer (A) as XX or XXX.
Figure 3.197: Tachometer
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Revision A
Summary of Contents for FlexDraper FD1 Series
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