Great Plains John Deere 30' Dual 750 Flat Fold Markers - Manual (Page 10)

John Deere 30’ Dual 750
205-052M 3/20/2003
8
Refer to Figure 7
13. Install the marker valve mount (3) close to the center
hitch on the tool bar frame of the front drill using the
U-bolt (1), bracket (6) and flange nut (7). Assemble
the valve (2) to the mount with the 4-port side
downward using two 3/8" x 3/4" long bolts (5) and
lock washers (4).
Refer to Figure 8
14. Route the hoses along the coulter frame tube and tie
them to the tube with the releasable cable ties (2).
Connect the hoses to the sequence valve (4) with six
JIC elbows (1). Note the port markings and refer to
Figure 8 for the proper connections.
15. Connect two 252" long hoses (3) to the two top ports
of the sequence valve with two elbows (1) and route
them to the tongue and through the hose loop. Use
releasable cable ties sent with assembly to secure
hose to frame.
16. Use the 163" (5) and 136" (6) hose to connect the
marker on the front drill. Next, use the two 156" (7)
long hoses to go from the sequence valve along the
dual hitch frame to the front of the second drill. The
remaining 252" hoses go to the marker on the
second drill. Quick connectors (purchased
separately) are used for easy removal of the second
drill.
Figure 7
Marker Valve
13700
Figure 8
Marker Hydraulic Assembly
13701