![GREAT PLAINS Ultra-Till I 3030 Series Operator'S Manual Download Page 22](http://html.mh-extra.com/html/great-plains/ultra-till-i-3030-series/ultra-till-i-3030-series_operators-manual_2259515022.webp)
Great Plains
| 576-026M-A | 05/11/2021
20
UT3030-UT5052
Operating Instructions
Hydraulic Down Pressure 5 Section
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 (1) (located on top
of inside and outside pressure reducing valve)
21. Close front valve (2) (clockwise); open one turn.
22. Set tractor flow rate for fold system to SLOW.
23. Engage hydraulics (continuous flow) down.
24. Adjust rear valve (3) to obtain 1200 psi.
25. Adjust front valve (4) to 1100 psi; lock valve.
26. Adjust rear valve to desired down pressure
(400-700
psi
inside
wings-left
valve
(3))
(400-700 psi outer wings-right valve (4)).
27. 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.
2
3
1
4
Figure 10
Down Pressure 5 Section
43178
Figure 11
Down Pressure Decal 5-Section
838-982C