Great Plains YP1625A Operator Manual - Manual (Page 19)

Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 15
2013-08-13 Table of Contents Index 401-625M
Older Style Hoses with Color Ties
Refer to Figure 4
Great Plains hydraulic hoses are color coded. Hoses that
go to the same remote valve are marked with the same
color tie.
To distinguish hoses on the same hydraulic circuit, refer
to plastic hose label. Hose under extended-cylinder
symbol feeds cylinder base ends. Hose under
retracted-cylinder symbol feeds cylinder rod ends.
Protecting Hydraulic Motor Seals
Low Pressure (Case) Drain Connection
7. Attach case drain hose to low pressure drain
connection.
8. Connect low pressure return hose to low pressure
return connector.
9. If the tractor has a limited number of remotes
capable of continuous flow, use them for the
hydraulic fan and optional hydraulic drive. (See
“Specifications and Capacities” on page 124 for
tractor requirements.)
Color Hydraulic Function
White Fold/Marker
Blue Lift/Tongue
Orange Fan
Yellow Hydraulic Drive (Option)
Motor Seal Damage Risk:
Case Drain Hose must be attached first,
prior to inlet and return hoses being connected.
Case Drain Hose must be detached last,
to prevent damage to the fan motor.
Hydraulic Motor Performance Risk:
DO NOT hook case drain line to a “power-beyond port”.
Figure 4
Older Style Hoses w/Label
27270