Setting The Amount Of Air, Spirit 400C - Vaderstad Spirit StripDrill ST 600C Series Instructions Manual

1.7

Setting the amount of air, Spirit 400C

100%
50%
Figure 1.9
The seed drill fan is located on the front wall of the machine and is driven by the tractor's hydraulic
system.
The amount of air in the feed system is regulated by the fan rotation speed and by a flap in the air hose's
distributor to the two seed meters.
The rotation speed of the fan is adjusted by the tractor flow valve and displayed on ControlStation.
Set the fan rotation speed and flap position in accordance with the following tables.
Table 1.1 With seed in the front hopper and fertiliser in the rear hopper
Small size seeds
Grain
Table 1.2 With seed in the front hopper and an empty rear hopper
Small size seeds
Grain
Alarms
The alarm in ControlStation warning of too low a rotation speed is best set to 500 rpm below the preset
rotation speed, and the alarm warning of too high a rotation speed to 500 rpm above the preset rotation
speed; see "Programming" under the section "ControlStation" in the Instructions for the Spirit 400C.
01.03.2014 2
Fan
Flap A
Fan rotation speed Flap A (seed)
(rpm)
3800 50% open
4200 100% open
Fan rotation speed Flap A (seed)
(rpm)
2200 100% open
3600 100% open
ST 400-600C StripDrill
Flap B
Flap B (fertiliser)
100% open
100% open
Flap B (fertiliser)
fully closed
fully closed
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