Adjusting Threshold For Drop Rate Valve (John Deere 60 Series); John Deere 70 Series Combines; Checking Voltage Range From Combine Cab (John Deere 70 Series) - MacDon FFT FD75 Assembly Instructions Manual

Adjusting Threshold for Drop Rate Valve (John Deere 60 Series)

This procedure explains how to adjust point at which restrictor valve opens allowing full flow to lift cylinders.
NOTE:
Changes may have been made to combine controls or display since this document was published. Refer to
combine operator's manual for updates.
1. Press DIAGNOSTIC button (A) on monitor. DIA
appears on the monitor.
2. Press UP button (B) until EO1 appears on monitor and
press ENTER (C). This is header adjustment.
3. Press UP (B) or DOWN button (E) until 114 is displayed
on top portion of monitor. This is setting that adjusts
when fast drop rate starts with respect to dead band.
NOTE:
The default setting is 100. Ideal operating range is
typically between 60 and 85.
4. Press ENTER (C) to select 114 as fast drop rate (this
will allow you to change first digit of number sequence).
5. Press UP (B) or DOWN (E) until desired number is
displayed, then press CAL button (D). This will bring
you to second digit. Repeat this procedure until desired
setting is achieved.
6. Press ENTER (C) to save changes.
NOTE:
The numbers depicted on displays in these illustrations
are for reference purposes only; they are not intended
to represent specific settings for your equipment.

5.1.10 John Deere 70 Series Combines

Checking Voltage Range from Combine Cab (John Deere 70 Series)

The auto header height sensor output must be within a specific range, or feature will not work properly.
Combine
John Deere 70 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.
214325
SETTING UP AUTO HEADER HEIGHT CONTROL
Low Voltage Limit
0.7 V
Figure 5.149: John Deere Combine Display
High Voltage Limit
4.3 V
210
Minimum Range
3.0 V
Revision A