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V. 2.0
8. Plant Construction Applications
8.1 Application to farm machinery
a) Check that the machine's power take off does not exceed the permitted r.p.m. for
the pump.
b) Where the power take off is synchronised with the gear, check the manufacture's
manual to identify the gear ratio and the number of motor revolutions corresponding
to the permitted r.p.m. for the pump.
c) Disconnect the power take off for stretches when the pump is not functioning.
d) Disconnect the power take off at every change of direction entailing a slope greater
than that envisaged for the type of cardan shaft used.
8.2 Cardan Shaft protection
WARNING! Information relating to personal safety.
READ THIS WITH CARE!
The choice of the motor cardan shaft protective safety cones on Bertolini pumps is
dependant on two fundamental factors:
A) In accordance with “CE” safety regulations the overlapping between the pump
safety cone and that of the cardan shaft must be “S”
≥
50 mm;
B) It is essential to know the characteristics of the type of cardan shaft used.
There are a wide number of different types of cardan shaft on the market
with normal and wide angled yokes, torque limiters and freely rotating
wheels.
Since they are not standardised, the protruding elements of the related
protection are extremely variable. This makes the choice of safety cones to fit on
the pump to comply with the required overlap for safety purposes a difficult
process.
