| Step |
Action |
GO TO: |
| Prepare Header for Calibration. |
Hook up header to the combine and ensure header harness is connected to main vehicle harness. Check that the header height sensors are in working condition.
Move the machine onto a level concrete surface. |
GO TO Step 1 |
| 1 - Select Diagnostic Mode |
The cornerpost tach is used to provide diagnostic mode. While pressing the up/down button on the tach, turn the combine key switch on and start the combine.
The tach should display:
- -
dlA |
OK: GO TO Step 2.
NOT OK: Check cornerpost tach. |
| 2 - Select AHC |
Press the up/down button on the tach to obtain the "AHC" display.
The tach should display:
- -
AHC |
OK: GO TO Step 3.
NOT OK: GO TO AHC Test Procedure No. 3 |
| 3 - Enter header calibration mode. |
Press the fan speed button on the tach to access the "AHC" diagnostic mode.
The tach should display:
0000
AHC
Press the up/down button on the tach twice to obtain mode 2.
The tach should display:
0002
AHC
Press the fan speed button on the tach to obtain the header calibration mode 30.
The tach should display:
0030
Hdr |
OK: GO TO Step 4.
NOT OK: Check tach. |
| 4 - Calibrate height system and return-to-cut system. Establish sensor minimum settings |
With the raise/lower rocker switch on the multifunction lever, lower the header until it rests on the concrete. The left and right sides of the header should contact the ground at the same time as the header is lowered. Press the fan speed button on the tach.
The tach should display:
0030
H - d
Press the resume to height button on the multifunction lever.
The tach should display:
0030
H - U |
OK: GO TO Step 5.
NOT OK: Header does not raise or lower, check system hydraulics.
NOT OK: Display does not change to "H-U", make sure raise/lower rocker switch is off. See Test Procedure No. 8.
NOT OK: Display "E5X", "E7X", "E8X" or "E9X" indicates an error. Go to Test Procedure No. 32
NOT OK: Display does not change from "r-d". Go to Test Procedure No. 23 |
| Step |
Action |
GO TO: |
| 5 - Establish sensor maximum settings. |
Use the raise switch on the multifunction lever to raise the header full up. Press and hold the resume to height button on the multifunction lever.
The tach should display:
0030
EOC |
OK: GO TO Step 6.
NOT OK: Display "E5X", "E7X", "E8X" or "E9X" indicates an error.
GO TO: Test Procedure No. 32. |
| 6 - Store header calibration data in AHC. |
Press the fan speed button on the tach to store all calibration values. If no errors occurred during calibration, the following will be displayed:
EOC
E00
END
If any errors occurred during calibration, previous calibration values are kept and the following will be displayed:
EOC
Err
END |
OK: Calibration is done. GO TO Step 7
NOT OK:If errors occurred, GO TO Test Procedure 32. |
7 -
Reset to normal operation. |
The key switch must be turned Off to return the AHC to normal operation at the next start-up. |
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