MacDon 963 Harvest Header - Manual (Page 28)

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HEADER OPERATION
Windrowing
DELIVERY OPENING
The width and position of the delivery opening
affects the width and configuration of the windrow.
The decision to widen or narrow the center
delivery opening; or whether or not to double
windrow should be based on the following factors:
• combine pick-up capability
• type and yield of crop
• weather conditions (rain humidity, wind)
• drying time available
See "Windrow Characteristics" for the strengths
and weaknesses of the various windrow
configurations with respect to these factors. See
"Delivery Opening Width" under Operating
Variables for opening width adjustment procedure.