11-01
All paths for the hydraulic oil are blocked allowing no
hydraulic flow increasing pressure in the system until the
pressure reaches a limit where the hydraulic system in
the tractor stops the flow to the manifold.
If your tractor is a closed system, generally no further
setup is needed. Certain closed center systems may
not work well with this configuration. Verify with the trac-
tor manufacturer the requirements of your closed center
hydraulic system. It may be necessary to insert the
"dump" valve to allow hydraulic oil a path from the tractor
through the manifold to return back to the tractor when
no boom functions are needed.
If your system is an open system, or certain closed cen-
ter systems, configure the Directional Stack to account
for this by following these instructions:
1. Remove the solenoid from the "dump" cartridge valve
located on the left end of the valve manifold. Refer to
section F, "Parts & Schematics" for further information.
2. Remove the cartridge from the manifold. This location
is a storage location only. There are no hydraulic
functions associated with this port.
3. Replace the "dump" valve port plug located on the
right end of the valve manifold with the "dump" valve
cartridge.
4. Install the solenoid on the cartridge valve and connect
the solenoid to the harness. See the harness wiring
schematic in Section F for information on which con-
nection lead operates the "dump" valve.
5. Place the plug in the port in the left side of the mani-
fold where you took out the "dump" cartridge.
6. Torque all fittings to the specifications given on the
Directional Stack schematic in Section F.
For all systems:
1. Mount the directional stack control box to the top of
the solution spray controller (optional) with the brack-
ets provided.
2. Connect the hydraulic hoses located near the sprayer
hitch to the tractor.
7
Section C
680 High Clearance Sprayer - Connection & Startup
Section C
Hydraulic Control Directional Stack
Closed Center Hydraulic System Set Up
Rear View
“Dump”
Valve
Storage
Position
Pluged “Dump” Port
Raven Solution Spray Controller
(optional)
Directional Stack
Controller
Brackets
Directional Stack Control Box
Harness
Connector
Control
Box
Power Connections
Fuse
Holders
Harness
Not configuring the hydraulic control directional stacks cor-
rectly may cause tractor hydraulic system heating and
may damage the tractor.
IMPORT
ANT
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