MAC215990
187
Revision A
1031988
A
B
Figure 3.222: Left Float Indicator
–
View from Rear
15. Fully lower header the to the ground. Float indicator
pointer (A) should be at 4 (B).
16. Turn the key to the run position.
17. On connector P600, compare the voltage reported by the
left sensor (pins 1 and 8) and the right sensor (pins 3 and 8)
to the lower voltage specified in
Sensor Output Voltages for Combines, page 183
.
•
Pin 1 - FM3326A
–
left sensor signal
•
Pin 3 - FM3328A
–
right sensor signal
•
Pin 8 - FM2515E
–
ground
18. If you need to adjust the voltage, refer to Step
for instructions.
3.10.4
Replacing Float Height Sensor
If a float height sensor is not reporting the correct voltage to the combine, it will need to be replaced. This procedure
applies to both the left and right float height sensors.
DANGER
To prevent injury or death from the unexpected start-up of the machine, always stop the engine and remove the key
from the ignition before leaving the operator
’
s seat for any reason.
1.
Park the combine on a level surface.
2.
Lower the header fully.
3.
Lower the reel fully.
4.
Shut down the engine, and remove the key from the ignition.
1032143
A
B
C
Figure 3.223: Float Setting Indicator
–
Left
5.
Disconnect harness plug P537 (C) from the sensor on the
left side of the float module.
NOTE:
If the float height indicator sensor on the right side of the
float module will be replaced, disconnect plug P539 also.
6.
Remove bolt (A).
7.
Remove indicator plate (B); the sensor should be attached
to the plate.
