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Procedure
This is how to set the hydraulic fan:
Version 1 (Constant pump – non-adjustable oil quantity on the tractor)
Step Description
1 Completely close the flow control valve (2) on the hydraulic block (1).
2 Start up the blower fan (tractor engine speed as in field operation).
3 Adjust the fan speed using the flow control valve (2) on the control block.
Version 2 (Variable pump - oil quantity adjustable on the tractor):
Step Description
1 Completely open the flow control valve (2) on the hydraulic block (1).
2 Completely close the flow control valve on the tractor (set the oil quantity to
zero).
3 Start up the fan and run up to the desired fan speed (slowly increase the oil
quantity).
Setting table for the flow control valve
(valid for approx. 50°C oil temperature)
Working width 3 m
Seed Rate Pressure Speed
Fine seed 5 kg/ha 5 bar 1400 rpm
Fine seed 30 kg/ha 15 bar 2900 rpm
Coarse seed 50 kg/ha 18 bar 3000 rpm
Coarse seed 100 kg/ha 19 bar 3100 rpm
Working width 6 m
Fine seed 5 kg/ha 8 bar 1550 rpm
Fine seed 30 kg/ha 20 bar 3300 rpm
Coarse seed 50 kg/ha 21 bar 3400 rpm
Coarse seed 100 kg/ha 22 bar 3500 rpm
Working width 12 m
Fine seed 5 kg/ha 10 bar 1650 rpm
Fine seed 30 kg/ha 35 bar 4000 rpm
Coarse seed 50 kg/ha 39 bar 4200 rpm
Coarse seed 100 kg/ha 41 bar 4300 rpm
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