Great Plains 4000-3S Assembly Instructions User Manual
Page 5
2/22/2005
195-308M
Great Plains Mfg., Inc.
5
Installation Instructions
Figure 6
17088
Figure 7
17089
11. Using the existing tee fittings, connect 72"
hoses from the pressure control valve in the
center (21) to center section cylinders.
IMPORTANT: Connect hoses from "R" (re-
duced pressure) port in the pressure-control
valves to the base end of cylinders. Connect
hoses from "T" (tank) port in pressure-control
valves to rod end of cylinders.
Refer to Figure 7
9.
Using two elbow fittings, connect 72" hoses
from the pressure-control valve on the far left
(19) to left wing cylinders.
10. Using two more elbow fittings, connect 72"
hoses for pressure-control valve on the far
right to right wing cylinders (20).
Refer to Figure 6
8.
At the drill frame, remove the tee fittings (18)
in the wing hydraulic circuit.