Hydraulic down pressure 3030 – Great Plains UT5052 Operator Manual User Manual

Page 22

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3030-UT5052

Great Plains Manufacturing, Inc.

576-026M-A

12/31/2013

Hydraulic Down Pressure 3030

Refer to Figure 8

Note: This setup procedure is for tractors with closed-center or

pressure compensated flow hydraulic systems. Open
center hydraulics not supported. Adjust down pressure
valve as shown on decal

(located on top of pressure

reducing valve) Refer to Figure 9.

14. Close front valve

(clockwise); open one turn.

15. Set tractor flow rate for fold system to SLOW.

16. Engage hydraulics (continuous flow) down.

17. Adjust rear valve

to obtain 1400 psi.

18. Adjust front valve

to 1300 psi; lock valve.

19. Adjust rear valve

to desired down pressure (usually

between 500 to 800 psi).

20. If the wings run high during operation, increase pressure.

If the center runs high, decrease pressure. Do not exceed
exceed 1000 psi.

Caution: This machine is designed for continuous hydraulic
flow to the wing fold cylinders during field operations. It is for
use on tractors having CLOSED CENTER hydraulics only. If
your tractor has OPEN CENTER hydraulics, please consult
your dealer for operating instructions.

Figure 8

Down Pressure 3030

43177

2

3

1

1

2

3

2

Figure 9

Down Pressure Decal 3030

838-981C

3

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