214323
140
Revision B
1003790
A
Figure 4.16: Combine Controls
6.
Use sensitivity control (A) to set the sensitivity to changing
ground conditions.
4.5.2
Calibrating Auto Header Height Control
–
Case IH 2300/2500 and
5088/6088/7088
For best performance of the auto header height control (AHHC) system, perform the ground calibration with the center-link
adjusted as long as possible. When the calibration is complete, adjust the center-link back to desired header angle. For
instructions, refer to
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.
To calibrate the AHHC system, follow these steps:
1.
Set the float on the header and the adapter (refer to the operator
’
s manual for instructions). Position the fore-aft and
the center-link in midspan.
1003785
A
Figure 4.17: Right Console
DANGER
Ensure that all bystanders have cleared the area.
2.
Start the engine, but do
NOT
engage the separator or the
feeder house.
3.
Locate HEADER CONTROL switch (A) on the right console,
and set it to HT (this is AHHC mode).
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