Maintenance - hydraulic system
179
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17.4
Preparing the machine for road travel (in emergency manual mode)
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Note
The emergency manual operation is only intended for transporting the machine from the field to
the nearest workshop.
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Danger! - Unexpected actions on the machine.
Effect: Danger to life or serious injuries.
•
Only persons who are confident with the machine may perform emergency manual
activation.
•
The person performing the activation must know which machine parts are affected by
controlling the valves.
•
The manipulation of the valves must only be carried out from a safe position outside the
range of the machine parts which are moved by the actuators.
•
Ensure that no persons, animals or objects are within this danger zone.
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DANGER! – Unexpected actions on the machine.
Effect: Danger to life or serious injuries.
•
Emergency manual operation is not permitted during operation on the closed hydraulic
system (PB, LS).
•
For emergency manual operation, change the machine's hydraulic system (hydraulic lines)
to operation via double-action control unit by means of the two hydraulic plugs supplied.
•
Disconnect the LS signal line and place it in the bracket provided on the machine.
•
Do not activate the control unit until you have left the danger area.
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•
Switch off the mowing unit drive (switch off PTO).
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Wait until all machine parts have come to a complete stop.
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Stop the tractor engine.
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Secure the tractor against rolling.
•
Switch off the operating terminal.
•
Disconnect the LS signal line and place it in the bracket provided on the machine.
•
Disconnect the hydraulic hose lines (P, T).
•
Remove the hydraulic coupling and plug.
•
Mount the components supplied (2x hydraulic plugs) on the hydraulic hose lines (P, T).
•
Connect the hydraulic hose lines to a double-action control unit on the tractor.
•
Set the control valve of the connected hydraulic hose lines to neutral.
•
Release the valve / valves (by screwing in the setting screw(s)) for which a function is to be
executed according to the table.
•
Start the engine and pressurise the control valve.
•
Switch off the engine when the function has been executed.
•
Switch the control valve to neutral.
•
Screw out the setting screws again.
Repeat the procedure according to the table until the lateral mowing units are in transport
position.
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