Installing marker hydraulics – Great Plains 2020P Assembly Instructions User Manual
Page 4

Figure 4
Needle Valve Assembly
17642
113-688M
3/3/2006
Great Plains Mfg., Inc.
Marker Option
4
Installing Marker Hydraulics
Without Sequence Valve
Refer to Figure 4.
1.
Install elbow fittings (1) in cylinder ports.
2.
At rod end of each cylinder, install an adaptor
(2) into elbow fitting. Install a needle valve (3)
in adaptor.
3.
Connect hydraulic hoses to fittings and route
hydraulic hoses to tractor outlets. Route hy-
draulic hoses through transport-carrier mount
at cutout. Use black cable ties to secure hy-
draulic hoses to drill frame.
4.
Using orange cable ties, secure a plastic hose
label
Figure 5
Hose label and cable tie
17641
Plastic hose
label
Cable tie
, see Figure 5, to each pair of hydraulic
hoses near tractor outlets.
5.
Proceed with "Bleeding Marker Hydraulics"
on page 6.