John Deere 60 Series Combines; Checking Voltage Range From Combine Cab (John Deere 60 Series) - MacDon FFT FD75 Assembly Instructions Manual

7. Ensure linkage (A) operates freely (arrow indicates
approximate range).
8. Reconnect wiring harness to plug (B) on sensor.
9. Check voltage range of new sensor and adjust if necessary.

5.1.9 John Deere 60 Series Combines

Checking Voltage Range from Combine Cab (John Deere 60 Series)

The auto header height sensor output must be within a specific range, or feature will not work properly.
Combine
John Deere 60 Series
Check sensor's output voltage range from combine cab according to instructions that follow.
NOTE:
Changes may have been made to combine controls or display since this document was published. Refer to
combine operator's manual for updates.
CAUTION
Check to be sure all bystanders have cleared the area.
1. Position header 150 mm (6 in.) above ground, and unlock adapter float.
2. Check that float lock linkage is on down stops
(washer [A] and nut [B] cannot be moved) at both
locations.
NOTE:
If header is not on down stops during next two steps,
voltage may go out of range during operation causing a
malfunction of auto header height control (AHHC)
system.
214325
SETTING UP AUTO HEADER HEIGHT CONTROL
Low Voltage Limit
0.7 V
Figure 5.138: AHHC Sensor Range
High Voltage Limit
4.3 V
Figure 5.139: Float Lock
204
Minimum Range
3.0 V
Revision A