SEEDMASTER 2023
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NOVA ZONE COMMAND / METER BOX
Nova carts are setup as either an 8 zone or 10 zones depending on drill size. The number of meter
boxes is typically the number of zones being operated as each meter is expelling product to an
individual air stream and tower. The meter boxes are engaged and disengaged with an air cylinder. If an
air cylinder is to fail, it will fail to the engaged position. Each meter is setup with a sprocket selection to
adjust the amount of product between 6, 7, 8, 9, and 10 run outlet towers. This selection is not used as
a high/low range, but to reduce the percent of error between towers and each run. The 8 run manifold
will be configured to the 15-20 tooth sprockets on the side of the meter box to the main shaft and the 6-
run manifold will be configured to the 20-15 tooth sprockets on the side of the meter box to the main
shaft. The 7-run manifold will be used when zones are all equal widths and will be configured to 20-15.
Example: (70-12 with 10 zones nova).
NOTE: Over time, the Zone Command Air Cylinder clevis may need adjustment to ensure that it does
not over-engage. It is important to adjust to make sure the gears have only tooth-to-tooth contact.
Metering chains should also be checked periodically for proper lubrication and tension.
Note: The meter box housing has a removable plate which encloses the roller ends.
This roller clean-out plate can be removed to clean build up product from metering box
and roller. The roller clean-out plate can be accessed through the bottom clean-out
gate.
PNEUMATIC CONNECTIONS
Connect the 3/8” air hose at the Nova hitch to the push-on fitting located on the drill. A minimum of 65
psi pressure from the on-frame air compressor is required to operate Zone Command. See “Zone
Command Air Compressor” in On Frame section of manual for more information.
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