3
1. Yellow circuit –
The main circuit for lifting, lowering, bout marker arms
and operation of front tool.
2. Black circuit -
Circuit for fan operation, drill coulter pressure and following har
row pressure.
3. Red circuit –
Wing extending/retracting and operation of CrossBoard.
4. White circuit –
Hydraulic support leg (accessory)
4. 3/4” hose -
Free return
Circuit
Function
Requirements
Approx. 50 l/min
approx. 40–30 l/
min with variable
flow.
(Preferably prior-
itised)
approx. 20 l/min
approx. 10 l/min
NOTE: Max. 5 bar
in counterpres-
sure.
01.03.2017
ST 600-900S
1. Electrical installation in tractors
2. Installation of hydraulics
Tractor main
switch
Connect the GateWay cable if the tractor has an ISOBUS terminal.
Lock the terminal using the locking bolt (A).
The tractor’s main power
switch
Installation
If the tractor is not equipped with an ISOBUS switch, tractor cabling is available (Accessories, parts no.
172447).
Use the heavy cables and connect in and after the main power switch.