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204
Revision A
Figure 5.138: AHHC Sensor Range
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
Low Voltage Limit
High Voltage Limit
Minimum Range
John Deere 60 Series
0.7 V
4.3 V
3.0 V
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.
Figure 5.139: Float Lock
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.
