MacDon PW8 - Calibrating Auto Header Height Control

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Calibrating Auto Header Height Control (Case IH 7010/8010; 7120/8120/9120;
7230/8230/9230; 7240/8240/9240)
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 Calibrating Auto Header Height Control (Case
Combines with Version 28.00 or Higher Software), page 91.
NOTE:
Changes may have been made to the combine controls or display since this document was published. Refer to
combine operator’s manual for updates.
1. Ensure all header electrical and hydraulic connections are made.
2. Select TOOLBOX on the MAIN page, and then select HEADER.
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Figure 6.35: Case IH Combine Display
3. Set appropriate HEADER STYLE.
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A
B
Figure 6.36: Case IH Combine Display
4. Set AUTO REEL SPEED SLOPE.
5. Set HEADER PRESSURE FLOAT to NO (A) if
equipped, and ensure REEL DRIVE is set to
HYDRAULIC (B).
PREDELIVERY INSPECTION