To unlock the system, the Lock button (1 - Fig 2) must be pressed and held for 3 seconds, until the relative indicator
light finally goes out; as soon as this condition is satisfied, the pre-Lock status of the console is restored and when the
machine is switched off the system will be in the STOP condition.
To lock the system, the driver must press the button (1 - Fig 2). In this instance the implement is lifted to the maximum
height or the selected limit and will remain there, governed by the same position-only control conditions described
above. The system will also lock every time the implement remains at the maximum height or the selected limit for
more than 3 minutes.
External buttons
The implement can be raised and lowered using the two buttons outside the cab.
These buttons will operate only if the console is in the Unlock configuration.
If either one of these buttons is pressed with the system in control mode, a STOP is triggered and the selected
movement then follows.
To enable precision control and at the same time allow speed of movement, the system is designed to react slowly to
initial pressure on the button and then pick up speed after a few seconds have elapsed.
Main control knob
This knob (11 - Fig 2) adjusts the soil engaging depth of the implement.
Turning the knob clockwise reduces the depth.
When the knob is turned fully anticlockwise, FLOAT mode remains permanently activated.
Descent speed control knob
This knob (9 - Fig 2) controls the rate at which the implement descends.
The control is applied only to the speed of the Down movement, and not to the speed of reaction.
Turning the knob anticlockwise, the rate of descent becomes slower.
Response control knob
This knob (10 - Fig 2) regulates the sensitivity with which the control system responds.
Turning the knob clockwise, sensitivity is reduced to a minimum and the system reacts only to substantial variations
in the control signal.
UP and DOWN indicators
Two lights associated with the top half (5 - Fig 3) and the bottom half (6 - Fig 2) of the main switch indicate the activation
of the up and down solenoid valve.
Alarm indicator
The middle of the console carries a triangle symbol. Whenever any trouble arises with the electronic lift control system,
the triangle will blink.
To determine the exact nature of the fault or malfunction, the user must call out a service technician who will connect
an ALL ROUND TESTER to the system.
This is a pendant device that will check out the 10 most recent alarms triggered, thereby facilitating the diagnosis of
any faults that might be occurring intermittently.
The alarms fall into two categories:
➦ Hazard alarms (inhibiting)
➦ Warning alarms (non-inhibiting).
59
5
vehicle
electronic power-lift
233
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