Manual of experiences ans tolerances in rope pump production
C.b. LEG ASSEMBLY.
The difference between the family pump and the extra-strong pump is mainly in the
structure and thickness of materials used. The leg supports of the family pump are
made from 3/8" or 9 mm corrugated iron. This diameter can be considered as the
minimum thickness to be used. There have been cases of damaged structures after
several years of use of the family pump with legs this diameter. They were without
exception pumps that had undergone intensive use. This more than justifies the family
and extra-strong models.
There is a "horizontal cross" support between the two legs beside the brake, which
is necessary to lessen the blow from the brake.
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