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USE AND MAINTENANCE MANUAL
Moment limiter
The overturning moment limiter consists of a strain pivot placed on the pin at the boom of the lift cylinder
and checks whether the overturning moment has exceeded its maximum value
Maximum overturning moment is the maximum moment that a machine can support while
•
When the 80% - 100% range of the maximum permissible moment has been reached, the movements
will slow down.
With the moment equal to 100% of the permissible value, every movement causing the increase
•
of the moment itself will be blocked: extension pull up, lowering the boom, jib movement.
Alert will sound out and the following pictogram will appear on the display unit
The only movements remaining fully operational will be the movements that reduce the moment
itself: lifting of the boom, extension retraction and turret rotation.
In order to have all the movements activated one should introduce the moment value of at least 85%
of the maximum permissible value. The following pictogram will appear on the display unit:
If the moment exceeds 110% of the permissible value, all machine movements will be
blocked and the machine can be reset to the safety mode only by using the emergency
Clogged up oil filter sensor
It consists of a sensor placed in the oil filter within the hydraulic installation.
If the filter is clogged up, all the movements are slowed down to 40% of the maximum value allowed.
remaining in safety mode
When the boom is lifted, the moment control is activated.
The machine is stabilised, not stowed away, and the aerial system is
OK
fully operational.
Full spots indicate the percentage of the actually reached moment.
OK
movements
47
IM R13 T
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