MacDon FD75 OM - Manual (Page 75)

OPERATION
2. To adjust low voltage limit, follow these steps:
a. Fully extend guard angle; the header angle
indicator should be at D.
b. Lower header fully on the ground; the float
indicator should be at 4.
c. Loosen mounting bolts (A).
d. Rotate potentiometer (B) clockwise to increase
the low voltage limit and counterclockwise to
decrease it.
e. Tighten sensor mounting bolts (A).
Figure 4.39: 10 Volt Auto Header Height
Sensor Assembly for Use with Some New
Holland Combines
Figure 4.40: Most Common 5 Volt Auto Header
Height Sensor Assembly
AGCO 6 and 7 Series Combines
Checking Voltage Range from the Combine Cab (AGCO 6 and 7 Series)
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 check the sensor’s output voltage range from the combine cab, follow these steps:
169894 61 Revision A