Great Plains NG12 Operator Manual - Manual (Page 13)

8/5/2004 202-457M
11 Preparation and Setup
This section will help you prepare your tractor and
seeder for use. Before field operation, you must hook-
up the hydraulic hoses.
Prestart Checklist
1. Read and understand “Important Safety Informa-
tion,” beginning on page 1.
2. Check that all working parts are moving freely,
bolts are tight, and cotter pins are spread.
3. Check that all safety decals and reflectors are cor-
rectly located and legible. Replace decals if dam-
aged. See “Safety Decals,” page 6.
Hydraulic Hose Hookup
!
WARNING
Escaping fluid under pressure can have sufficient pressure
to penetrate the skin. Check all hydraulic lines and fittings
before applying pressure. Fluid escaping from a very small
hole can be almost invisible. Use paper or cardboard, not
body parts, and wear heavy gloves to check for suspected
leaks. If injured, seek medical assistance from a doctor that
is familiar with this type of injury. Foreign fluids in the tissue
must be surgically removed within a few hours or gangrene
will result.
Refer to Figure 2
When hooking hydraulic hoses to tractor hook hose
coming from flow-control valve on seeder to the pres-
surized side of the remote circuit. Hook return line to
sump.
Check that seed-cup shaft on seeder is rotating in the
correct direction. When standing on the left-hand side
of seeder, the shaft should rotate counterclockwise. If
necessary, switch hoses at outlets.
NOTE: Customer must supply hoses to the sump
and to the pressure side of the hydraulic circuit.
NOTE: For tractors with open center hydraulic sys-
tems, refer to your tractor manufacturer’s recom-
mendation before hooking up the hydraulics on
this unit.
Figure 2
Hydraulic Hookup
17992
Preparation and Setup