Great Plains PD8070 Operator Manual - Manual (Page 21)

1/24/2006 401-266M
19 Operating Instructions
Marker Operation
Markers can be raised simultaneously but must be
lowered one at a time. If both markers are required
down at the same time, run one marker down, mo-
mentarily start to raise it, reverse the hydraulic lever
and lower the opposite marker.
NOTE: Holding the lever down will force both
markers down.
On a tractor where the oil flow cannot be controlled,
the rate of flow of oil from the tractor may be greater
than the rate at which the marker cylinder can accept
it. The tractor hydraulic control lever will have to be
held until the cylinder reaches the end of its stroke.
This occurs most often on tractors with an open-center
hydraulic system.
On tractors with a closed-center hydraulic system, the
tractor’s hydraulic flow control can be set so the trac-
tor’s detent will function properly.
Emptying Fertilizer Hopper
Refer to Figure 8
1. Disconnect fertilizer hoses.
2. On backside of fertilizer hopper, remove both bolts
securing hopper saddle to hopper mount.
3. Pivot hopper forward to empty.
Transporting
!
WARNING
Towing the planter at high speeds can lead to loss of vehicle
control. Loss of vehicle control can lead to serious road ac-
cidents, injury, and death. Do not exceed 20 mph.
Before transporting the planter, check and practice the
following items.
4. Check that planter is securely hitched to a sufficient
tractor. Always use a locking-style hitch pin sized to
match holes in hitch and drawbar (minimum 1-inch-
diameter, heat-treated pin). Attach safety chain to
tractor with enough slack to permit turning. Refer to
Tractor Requirements, “Specifications and Ca-
pacities,” page 51, and Hitching Planter to Tractor,
“Preparation and Setup,” page 14.
5. Unload hoppers before transporting if at all possi-
ble. The planter can be transported with full hop-
pers, but the added weight will increase stopping
distance and decrease manueverability.
6. Check that tires are properly inflated. Refer to Tire
Inflation Chart, “Appendix,” page 53.
7. Comply with all federal, state, and local laws when
traveling on public roads.
8. Remember that the planter is wider than the tractor.
Allow safe clearance.
9. Transport slowly over uneven or rough terrain.
Parking
See also Storage, “Maintenance and Lubrication,”
page 42, for information on long-term storage.
1. Park planter on a level, solid area.
2. Place jack on stob on the side of the planter tongue.
Lower jack until weight of planter is off of tractor
drawbar. Remove hitch pin and safety chain.
3. Disconnect any hydraulic hoses from tractor. Do not
let hose ends rest on the ground.
Hopper Saddle
Hopper Mount
Figure 8
Fertilizer Hopper