Kubota VS 220, Руководство пользователя

Страница: 95 / 154

To be done before spreading
95
Adjusting the dosing setting
If the actual flowrate differs from the desired flowrate the dosing
settings will have to be adjusted. The example below illustrates the
steps for fine application.

The following will be achieved with the fertiliser and spreading chart
from the example:
 See paragraph »Example 2:« on page 78.
You will have an application rate of about 200 lbs/acre with a working
width of 49 feet at a driving speed of 5 mph. The expected flowrate is
98 lbs/min with the dosing setting at 36.
For example:
In 30 seconds you have collected 44.5 lbs of fertiliser.
The flowrate per minute becomes 44.5 x 2 = 89 lbs/min.
This value differs too much from the expected 98 lbs/min, so the
dosing setting must be adjusted.

Determine the value of the spreading chart that is closest to the
measured value: 89 lbs/min.
The value is between 71.5 and 97.3 lbs/min.

Calculate how much the flowrate will increase with this application
rate if the dosing setting is 1 position higher.

Difference in flowrate: 97.3 - 71.5 = 25.8 lbs/min.

The difference per “click” of the adjusting nut is = 4.3 lbs/
min.

Calculate the difference between the measured and the required
discharge volumes: 98 - 89 = 9 lbs/min.

Calculate the number of positions by which the dosing setting must
be increased = 2 positions.

Set the correct setting: 36 + 2 = setting 38.

Perform another calibration test until you have reached the
required flowrate of 98 lbs/min.

Remove the calibration container.
25.8
6
4.3
9