Duncan Enviro DD30 - Pre-Calibration Setup Flowchart

16
Start
Is seed size
between 4 and
10mm?
Locate product in 'Normal'
seed table.
Look up 'Setting Postion' for
desired output.
No
Yes
Is Setting Position
25mm or less?
No
Yes
Pull idler gear to 'out' position.
The metering shaft will rotate
at half speed for smoother
delivery at low rates. Look up
revised rates on 'Increased
Accuracy' chart for normal
sized seed.
Ensure that idler gear is
pushed in and not meshing to
the external gear. The
metering shaft will rotate at
high speed when seeding.
Turn handle on the metering
housing to the desired 'Setting
Position' for the chosen
product from the table.
Ensure that the normal/fine
toggle is not
engaged with the
hex shaft and that the end is
pointing toward the metering
housing.
Locate product in 'Fine' seed
table.
Look up 'Setting Postion' and
'Rate' for desired output.
Does 'Rate' in
table specify
'low'?
Ye
s
No
Ensure that idler gear is
pushed in and not meshing to
the external gear. The
metering shaft will rotate at
high speed when seeding.
Ensure that the normal/fine
toggle is engaged
with the hex
shaft. You will need to turn the
the metering handle so the
scale reads zero and engage
the toggle with the cutout in th
e
hex shaft.
Turn handle on the metering
housing to the desired 'Setting
Position' for the chosen
product from the table.
Perform Calibration -
refer to next page.
Perform Calibration -
refer to next page.
Pull idler gear to 'out' position.
The metering shaft will rotate
at half speed.
Empty boxes and clear old
seed and fertilizer from
metering unit.
high (idler in)
low (idler out)
normal/fi ne toggle
‘Enviro DD30’ Pre-Calibration Setup
Only switch from
normal to fi ne seed
if the seed hopper is
empty