Great Plains 4000-3S Assembly Instructions - Manual (Page 5)

2/22/2005 195-308M
Great Plains Mfg., Inc.
5 Installation Instructions
Figure 6
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Figure 7
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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.