MacDon FD75 OM - Manual (Page 143)

OPERATION
1. Position the header 6 in. (150 mm) above the ground.
Unlock the adapter float.
NOTE:
If the header is not on down stops during the
next two steps, the voltage may go out of range
during operation, causing a malfunction of the
Auto Header Height system.
2. The pointer (A) on the float indicator box should point
at zero. If it does not point at zero, adjust the cable
take-up bracket (B) until it does.
Figure 4.181: 5 Volt Auto Header Height Sensor
Assembly
Figure 4.182: 10 Volt Auto Header Height
Sensor Assembly
3. Ensure header float is unlocked.
4. On the MAIN screen, select DIAGNOSTICS (A). The
DIAGNOSTICS screen displays.
5. Select SETTINGS. The SETTINGS screen displays.
Figure 4.183: Combine Display
169894 129 Revision A