ALMAC BiBi 850 HE, Use And Maintenance Manual

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4.1 Preliminary operations
4.1.1 Ground fitness for permitted inclination
To assess whether the ground is fit to bear the machine, it is extremely important to ensure that
the ground surface does not allow the machine to slip once it has been stopped for work.
Two factors contribute towards increasing the danger of slipping:
a) Slope
b) Poor grip (or slipperiness) due to a low friction coefficient
These two factors must be assessed with the utmost care, and at the same time as each other.
There are no acceptable values for one "factor" that can exclude the risk of slipping if the other
factor is extremely unfavourable. Ground that is almost flat may not be fit if its surface is icy.
On the other hand, a surface with high adhesion may not be fit if it slopes too steeply.
Flat, horizontal ground is the ideal surface for work platform stability, even though this
condition is very rare.
•
Avoid smooth, slippery and/or icy surfaces and those covered with sand: they could cause
a risk of sliding or tipping during levelling.
Note: Do not use the MEWP if you are doubtful about the fitness of the ground surface.