MacDon PW8, Unloading And Assembly Instructions

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6.1.6 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. Refer to
6.1.2 Height Sensor Output Voltage Range
–
Combine Requirements, page 74 for voltage limits.
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. Raise header until header wheels are 150 mm (6 in.) above ground.
2. If sensor voltage is not within low and high limits shown in 6.1.2 Height Sensor Output Voltage Range
–
Combine Requirements, page 74 , or if range between low and high limits is insufficient, you need to make
adjustments. For instructions, refer to Adjusting Header Height Sensor Voltage Range (Left Side), page 77 and
Adjusting Header Height Sensor Voltage Range (Right Side), page 77 .
Calibrating Feeder House Speed (John Deere 70 Series)
The feeder house speed must be calibrated before you calibrate auto header height control (AHHC) system. Refer
to combine operator
’
s manual for instructions.
PREDELIVERY INSPECTION