Seed Hawk AIRCART 2013 - Manual (Page 34)

SEED HAWK
®
AIRCART OPERATOR’S MANUAL 29
4.7 METERING ROLLER
The metering roller, Figure 25, is provided in each compartment. There are four different
roller section types: canola, helical, straight fluted (bean) and chick pea. However, the canola
roller is only available on hydraulic drive equipped aircart models. The helical roller section is
designed to accommodate the majority of seeding products including small oil seeds, cereals,
and granular fertilizer. The straight fluted (bean) roller is used for small pulses and granular
fertilizer. The chick pea roller should only be used for very large pulses such as garbanzo
beans.
Figure 25
Figure 26
These are sections that make up the roller which can be replaced if damage occurs. If there is
a damaged section the product gate above the roller can be closed if there is still product in
the tank. The meter roller can then be removed and repaired without product spillage or the
need to unload the tank.
NOTE: Ensure roller gate is reopened to commence seeding.
There are two colored roller sections on some meters, as seen in Figure 25. The red sections
have less displacement than the black sections. When a machine’s air distribution system has
tower heads with different outlets the heads with the lower number of outlets are fed by red
roller sections to ensure even distribution.