Engine-powered articulated lifts, 12 - 26 m
D
- Operating principle
Operating principle
1 - Description
Hydraulic energy for machine movement is provided by a pump unit.
The controls and the starting of the thermal engine are powered by battery.
To protect the user and the machine, safety systems prevent the operation of the machine beyond its
capacities.
These security systems if activated, immobilize the machine and neutralize the movements.
Poor knowledge of the characteristics and operation of the machine can lead the operator to think that a
normal safety operation is a malfunction.
2 - Safety devices
2.1 -
ACTIVATION OF CONTROLS
The controls must be validated by a 'Enable Switch' system to activate the different
movements.
The 'Enable Switch' system depends on the machine configuration and will consist of one of
the following :
• Joystick handle.
• Pedal.
• Validation button.
2.2 - DRIVE SPEED
All driving speed options are allowed when the machine is stowed (
machine in fully lowered position).
The only speed allowed when not in stowed position is microspeed (This
speed is a default speed programed into the machine).
2.3 -
MOVEMENT SPEED
The movement speed of the following elements is regulated by the movement speed selector
switch :
• Jib lifting/rotation.
• Platform rotation/compensation.
The movement speed depends on the user's choices and the environment.
N.B.-:-J
OYSTICK PROPORTIONALITY MUST BE USED TO ADJUST THE SPEED OF THE OTHER MOVEMENTS
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Section G Technical characteristics
E06.11
.
EN
61
A
B
C
D
E
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G
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