4.2.3. ENGINE SPEED
The engine speed is managed by the control system, function of the movements performed
and/or the activation of certain safety devices.
During a drive movement, with the platform lowered, the engine runs at high speed when the
speed selector is positioned on or . The engine remains idling when slow speed is
selected or when the platform is raised.
From the platform control station, when the engine speed selector is positioned on , the
elevation movements will be carried out at high speed if the control system allows it. If the selector
is positioned on , all the movements will be carried out with the engine idling.
From the ground control station, all the movements are carried out with the engine idling.
4.2.4. COMBUSTION ENGINE SAFETY DEVICES
When one of the following faults is detected:
• Low oil pressure.
• Temperature of the cooling fluid too high.
➢ The engine fault indicator lights up steady.
➢ The control system prevents the switch to high speed.
➢ The control system stops the combustion engine 2 minutes after the fault has been
detected.
Fully lower the platform and immediately stop the engine.
The auxiliary hydraulic power unit can also be used to lower the platform.
When an alternator operating fault is detected:
➢ The engine fault indicator lights up steady.
The exact nature of the fault is indicated on the control screen.
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