215184 447 Revision A
Figure 9.315: John Deere Combine Display
8. Raise the reel to view high voltage (A). The voltage should
be 4.1– 4.5 V.
9. If either voltage is not within the correct range, refer to10
Checking and Adjusting Reel Height Sensor, page 487s not
within the correct range, refer to.
Calibrating Reel Height Sensor – John Deere S and T Series
This procedure applies only to model year 2015 and later John Deere S and T Series combines.
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 reel height, follow these steps:
1. Place header off the ground 15–25 cm (6–10 in.).
IMPORTANT:
Do NOT turn off the engine. The combine has to be at full idle for the sensors to calibrate properly.
Figure 9.316: John Deere Combine Display
2. Press DIAGNOSTIC icon (A) on the main screen of the
monitor. The CALIBRATION screen displays.
SETTING UP AUTO HEADER HEIGHT CONTROL
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