Operation
26
MICROSEM ADJUSTMENT
1. Put the product in a 2 outlet microgranulator.
2. Position in smallest ration : A = 12
B = 30 (ratio = 0.24- see here under)
C = 12
3. Make 100 m.
4. Weigh the product recuperated on the two outlets.
5. Use the following formula :
Output = 10 x quantity weighed (g.)
Inter-row (cm) x 2
Example : Inter-rows = 60 cm Output = 10 x 60
= 5 Kg/ha
Quantity weighed = 60 g 60 x 2
If you require 10 Kg/ha, choose the ratio
2 x 0.24 = 0.48
i.e. : A = 12
B = 15
C = 12
If you require 15 Kg/ha, choose the ratio
3 x 0.24 = 0.72
i.e. : A = 12
B = 15
C = 20
Note : Checking when starting up remains essential.
Possible combinations of the sprockets A-B-C Obtained ratios
12-35-12 teeth 0.21
12-32-12 teeth 0.22
12-30-12 teeth 0.24
12-25-12 teeth 0.29
12-22-12 teeth 0.33
12-20-12 teeth 0.36
12-18-12 teeth 0.40
12-16-12 teeth 0.45
12-15-12 teeth or 12-25-20 0.48
12-23-20 teeth 0.51
12-22-20 teeth 0.54
12-21-20 teeth 0.57
12-12-12 teeth 0.60
25-24-12 teeth 0.63
12-18-20 teeth 0.66
25-22-12 teeth 0.68
12-10-12 teeth 0.72
25-20-12 teeth 0.75
12-15-20 teeth 0.80
25-18-12 teeth 0.83
25-16-12 teeth 0.94
25-15-12 teeth or 12-12-20 1
25-22-20 teeth 1.13
12-10-20 teeth 1.2
25-12-12 teeth 1.25
25-18-20 teeth 1.4
25-10-12 teeth 1.5
25-15-20 teeth 1.66
25-12-20 teeth 2.08
25-10-20 teeth 2.5
The interchangeable sprockets B in bold characters are delivered as standard (12-15-18-22-
25-30 teeth), those in ordinary characters are delivered on request (10-11-13-14-16-17-19-20-21-
23-24-26-27-32-35 teeth).
The nearest standard
(N° Microsem shaft rotations for 1 leading shaft rotation)
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