Determining Tire Radius

Requirements:

• Combine on solid ground
• Correct tire pressures
• Combine steering wheels in straight-ahead position

Mark tire and ground with dashes.

Drive combine until marked tire has completed one revolution.

Transfer tire mark to ground.

Measure distance (X) between ground marks.

Divide measured distance (X) by 6.28.

The value obtained is the tire radius for Control Unit C03 input.

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