214683 91 Revision A
Figure 3.92: Ground Speed versus Acres
A - Kilometers/Hour B - Miles/Hour C - Acres/Hour
D - Hectares/Hour E - 9.1 m (30 ft.) F - 10.7 m (35 ft.)
G - 12.2 m (40 ft.) H - 13.7 m (45 ft.)
Example: A 12.2 m (40 ft.) header operating at a ground speed of 9.7 km/h (6 mph) would produce a cut area of
approximately 11.3 hectares (28 acres) in one hour.
3.7.8 Draper Speed
Correct draper speed is an important factor for achieving good flow of the cut crop away from the cutterbar.
The side drapers and feed draper operate independently of each other; therefore, the speeds are controlled
differently. The side draper speed is adjusted with a manually adjustable control valve that is mounted on the float
module. The float module feed draper speed is fixed to the combine feeder house speed and cannot be
independently adjusted.
Adjust the draper speed to achieve efficient crop feeding onto the float module feed draper. Refer to Adjusting
Header Draper Speed, page 92.
OPERATION
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