Great Plains YP1625 Operator Manual - Manual (Page 16)

401-226M 07/09/2009
12 YP1225 and 1625 Great Plains Manufacturing, Inc.
Preparation and Setup
This section helps you prepare your tractor and planter
for use. Before using the planter in the field, you must
hitch the planter to a suitable tractor and level the planter.
Pre-Start Checklist
1. Read and understand “Important Safety Informa-
tion” on page 1.
2. Check that all working parts are moving freely, bolts
are tight, and cotter pins are spread.
3. Check that all grease fittings are in place and lubri-
cated. See “Lubrication” on page 76.
4. Check that all safety decals and reflectors are cor-
rectly located and legible. Replace if damaged. See
“Safety Decals” on page 6
5. Inflate tires to pressure recommended and tighten
wheel bolts as specified. See “Tire Inflation” on
page 118.
Protecting Hydraulic Motor Seals
Low Pressure (Case) Drain Connection
IMPORTANT !
Case Drain Hose must be attached prior to inlet and
return hoses being connected. Also, it must be
unhooked last to prevent damage to the fan motor.
1. Attach case drain hose to low pressure drain con-
nection.
Note: Case drain hose must be hooked up first. Also, it
must be unhooked last to prevent damage to
hydraulic motor seals.
2. Connect low pressure return hose to low pressure
return connector.
IMPORTANT !
DO NOT hook case drain line to a “power-beyond
port”.
3. If the tractor has a limited number of remotes capa-
ble of continuous flow, use them for the hydraulic fan
and optional hydraulic drive. (See “Specifications
and Capacities” on page 118 for tractor require-
ments.)
Hydraulic Hose Hookup
Great Plains hydraulic hoses are color coded. Hoses that
go to the same remote valve are marked with the same
color.
To distinguish hoses on the same hydraulic circuit, refer
to plastic hose label. Hose under extended-cylinder sym-
bol feeds cylinder base ends. Hose under retracted-cylin-
der symbol feeds cylinder rod ends.
Color Hydraulic Function
White Fold/Marker
Blue Lift/Tongue
Orange Fan
Yellow Hydraulic Drive
Figure 3
Plastic Hose Label
817-348C
17641