MacDon NEW HOLLAND D2 Series, Operator'S Manual

Page: 208 / 520

MAC215990
188
Revision A
1029388
B A
Figure 3.224: Float Height Sensor
8. Remove two bolts and nuts (A).
9. Remove and discard old sensor (B).
10. Install new sensor (B) so that the plug faces down.
11. Install two bolts and nuts (A) so that the bolt heads are on
the same side as the decal.
1032143
A
B
C
Figure 3.225: Float Setting Indicator
–
Left
12. Install indicator plate (B); the sensor should be attached to
the plate.
13. Install bolt (A).
14. Connect harness plug (C).
15. Check the voltage range using the combine
’
s
instrumentation. If the combine does not have instruments
for checking the voltage, it will need to be checked
manually. For instructions, refer to
3.10.3 Manually
Checking Voltage Limits, page 183 .
3.10.5 10 Volt Adapter
–
New Holland Combines Only
New Holland combines equipped with a 10 V system require a 10 V adapter in order for the auto header height control
(AHHC) system to be calibrated.
1034428
A
Figure 3.226: 10 V Adapter (B7241)
If a 10 V New Holland combine does not have adapter (A)
installed, the AHHC output will always read 0 V, regardless of
the sensor
’
s position.
For instructions on checking the sensor voltages, refer to
Checking Voltage Range from Combine Cab
–
New Holland CR
and CX Series, page 189 or 3.10.3 Manually Checking Voltage
Limits, page 183 .
OPERATION