Principles of Hydraulic Circuits and Components
3.
By making the containers or cylinders of different
sizes, the mechanical advantage in work force in-
creases (Fig. 4)
Figure 1
A hydraulic circuit, whether it is simple or complex,
uses the following basic hydraulic principles:
1.
A liquid can assume any shape and be bi-
Figure 4
directional with out affecting its free flow movement
(Fig 2)
Basic Hydraulic Circuits and
Components Used in Turf Equipment.
Although hydraulic circuit layouts may vary signifi-
cantly in different applications, many of the compo-
nents are similar in design or function. The princi-
ple behind most hydraulic systems is similar to that
of the basic hydraulic jack. Oil from the reservoir is
drawn past a check ball into the piston type pump
during the pistons up-stroke (Fig 5)
Figure 1
2.
Pascal’s law states that when a confined fluid is
placed under pressure, the pressure is transmitted
equally in all directions and on all faces of the con-
tainer. This is the principle used to extend the ram
on a hydraulic cylinder (Fig 3)
Figure 5
Figure 3
2
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