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USE AND MAINTENANCE MANUAL
Microswitches
Microswitches SQ1A-B
The SQ1A and SQ1B micro switches are located in the stowing seat of the cage indicating
its presence there, therefore representing the condition of the machine stowed away.
Microswitch SQ8 (lifting boom)
The SQ8 micro switch is located on the turret and checks the angulation of the lifting boom.
With the machine STABILISED, lifting the boom at an angle exceeding 5° all the movements
of the aerial part will be activated, excluding the cage balancing.
Micro switch SQ10 (control panel in the cage)
For radio versions
SQ10 - micro switch is located on the platform control panel and it indicates its presence.
If the platform control panel is in its seat on the machine and the machine is stabilised,
all the movements of the aerial pat of the machine may be activated from the platform
control panel.
If the platform control panel is not in its seat and the machine is stabilised:
•
Machine with radio control: it is not possible to activate the movements of the aerial
part.
•
Machine with a guiding cable: it is possible to activate the movements of the aerial part.
Microswitches SQ11-12 (chain break)
The SQ11-12 micro switches control the telescopic boom extension chains.
When the chain is broken, it blocks the movement of the boom.
Microswitches SQ3-4-5-6
SQ3 SQ4 SQ5 SQ6 - micro switches are located in the proximity of the locating pin on
the stem of the stabiliser cylinders.
They control the pressure of the stabilisers.
•
If only one of the stabilisers in under pressure, the drive is blocked.
•
If all 4 stabilisers are under pressure, it is possible to move the aerial part.
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