SEEDMASTER 2023
11
TRACTOR HYDRAULIC HOOKUPS
SEEDMASTER MACHINE HYDRAULIC HOSES
HOSE MARKING CONVENTION: Each hose pair has been assigned a unique colour. The hose with 1
colour band is pressure, and the hose with 2 colour bands is return.
OPENER RAISE/LOWER HOSES: Red Tagged Lines – The two ½” Direct Opener Lift & Lower
hydraulic lines with red colour bands are the opener lift and lower lines. These lines are connected to
one tractor remote. The hose with 1 red band is opener down pressure. The hose with 2 red bands is
pressurized to raise the openers. The openers are held up in transport with a Pilot Operated Check
Valve. This maintains the pressure on the opener up pressure circuit for long transport and to facilitate
unhooking under lift pressure. Leave the pressure engaged to operate the Smart Openers. NOTE: See
page 17 for operation instructions.
SYSTEM PRESSURE HOSES: Green Tagged Lines - The two 1/2” hydraulic lines with the green colour
bands are used to activate the block and raise and lower the wings. These lines are connected to one
tractor remote. In the field, operating position for this remote is locked-on to provide continuous pressure
to the block via the line with 1 green band. Pressure should be adjusted and set between 2600-3000 psi
by using the tractor remote flow control.
SEED AND FERT FAN HOSES ONFRAME: There may be one or two ¾” fan pairs. If you are running
an UltraPro II 350 or 360 machine, the single fan hoses will be tagged with 1x orange (pressure) and 2x
orange (return). If you are running an UltraPro II 540 machine, the seed fan hoses will be tagged with 1x
orange (pressure) and 2x orange (return) and the fertilizer fan will be tagged with 1x purple (pressure)
and 2x purple (return).
SEED AND FERT FAN HOSES NOVA: If you are running a NOVA Cart the seed fan hoses will be
tagged with 1x yellow (pressure) and 2x yellow (return) and the fertilizer fan will be tagged with 1x blue
(pressure) and 2x blue (return).
Ensure that you connect the right pair of hoses together on your tractor.
CASE DRAIN HOSE: Drills and tanks are set up with ONE 1/2" case drain/return line (zero back
pressure). This line has a ½” NPT full open return coupler without any restriction or back pressure.
Ensure this return line is routed to your tractor properly without any possibility of back pressure.
Improper connection or undersized return lines on the tractor may cause inaccuracies in operation and
the possibility for severe damage to the drill’s hydraulic system. SeedMaster Manufacturing
recommends using the factory connections provided with the drill and tank.
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