Adjusting the exact following harrow pressure hydraulically

The exact following harrow pressure must be adjusted such that all seed rows are evenly covered with earth. On heavy soils, the pressure must be higher than on light soils.

  1. Take the lever 1 out of the transport lock 2 and pull it up.

  1. To define the minimum pressure of the exact following harrow:

    Remove the linch pin 3 and insert it in a the desired hole under the stop 1. The higher the hole, the greater the minimum pressure of the exact following harrow.
  2. Relieve the lever and fasten it in the transport lock.

  3. To define the maximum pressure:

    Remove the linch pin 2 and insert it in the desired hole above the stop 1.

The higher the hole, the greater the maximum pressure of the exact following harrow.

NOTE
The adjustment of the exact following harrow pressure must be adapted to the respective operating conditions. The optimum adjustment can only be determined during field operation.

  1. To set a higher exact following harrow pressure:

    actuate the green 1 tractor control unit

or

To set a lower exact following harrow pressure:

put the green tractor control unit into float position.

The exact following harrow pressure is hydraulically adjusted together with the coulter pressure. With higher coulter pressure, higher exact following harrow pressure is also set at the same time.

  1. To check the setting:

    seed for 30m at working speed and then check the work pattern.