Vaderstad RAPID RDA S Series, Instructions Manual

Page: 38 / 122

Instructions and settings
38 Ver.2 01.11.2002
!
The drive wheel is released by removing the ring cotter from the upper cog wheel (output
shaft). Then mount the crank onto the shaft and lock it with the R-clip.
NOTE! Don't forget to
return the pin to its original position when the test is over.
Carry out a first calibration test to fill the feed rollers with seed. Empty the bag. The actual cal-
ibration test can now be carried out. Crank slowly and methodically, at around one turn per sec-
ond
!
Weigh the full test bag from one seed housing and make any adjustments necessary. The scale
is practically linear, making a procentual increase or decrease possible.
Example:
We want a sowing rate of 220 kg/ha wheat and set a scale reading of 50. The cali-
bration test gives a value of 200 kg/ha. We need to increase output by +10%, which would
mean a scale setting of 55.
!
When sowing with low gear, a full scale test must be carried out. Make 130 turns and weigh
the seed collected x 2. The collected amount x 2 is the sowing rate of the drill. If the amount
collected weighs 3 kg, the drill sowing rate is 6 kg/ha. A full scale test must be carried out when
sowing small amounts, 8 kg or less.
!
When sowing oilseeds, the calibration test must first be carried out on the left seed housing and
then on the right.
Check that the rapeseed brush is clean and adjust the brush with respect to the cell wheel flaps
Check regularly that the sowing rate of the drill corresponds to the set value.
Figure 3.34
! Check that both seed boxes have the same setting. If the settings are different, press to-
gether and undo the spring-suspended intermediate shaft (B) from the left seed box on
the machine. Turn the hexagonal head on the outgoing shaft on the seed box to the de-
sired position. Reassemble the intermediate shaft.
Figure 3.32 Figure 3.33
High gear. 12 test turns: Weighed amount of grain x 100 =________kg/ha.
Low gear. 26 test turns: Weighed amount of grain x 10 =_________kg/ha.
H= 12
L= 26
B