Document number: ED.03783.00.001.ENG rev 4 Page 88 of 153
Maximum height of the system.
It depends on the length of the cylinder.
Stroke on which the mini-jacks can be retracted
Stroke position of the main jacks on which the mini-jacks can fetch a new
barrel
The preload stroke is the first small stroke during lifting in automatic mode.
During this stroke the system check whether the load is being picked.
In automatic mode:
during the preload stroke the system checks whether the load is being
picked up,
by comparing the measured load with the preload percentage of the
expected load
In automatic mode:
the maximum load at which the mini jacks can be safely retracted.
Before retracting the system checks if the measured load does not exceed
this value
While moving the load up or down, the strokes of the main jacks are
automatically kept equal within a certain bandwidth. This bandwidth we call
“hysteresis”. If the stroke of a cylinder exceeds the bandwidth, its moving
is stopped until the stroke gets within the bandwidth again.
The allowed overload in manual mode.
Manual overload can be set to a maximum of 120 of the expected load
The allowed overload in automatic mode.
Automatic overload can be set to a maximum of 110 % of the expected
load
When the system stopped, the height should be not change. When the
moving is resumed, the system checks whether the height has still the
original value, with a tolerance of the delta stroke.
When the system stopped, the load should be not change. When the
moving is resumed, the system checks whether the load has still the
original value, with a tolerance of the delta load.
Maximum pressure on the rod of the cylinder
Time that it takes for the hydraulic power unit to go back to stationary
speed when it’s running unloaded.
The load where the system was designed for to lift
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