SECTION 5 - HYDRAULICS
5-6
3121774
Pumps and Hydraulic Lines System
The machine hydraulic system is powered by n.3 pumps
units:
1.
Pumps unit connected to the engine, n.1 double
tandem pump 3,15cc/rev each.
2.
Pumps unit connected to the electric motor, n.1
double tandem pump 3,15 cc/rev.
3.
Emergency hand pump, this has only one outlet
line but it's equipped with a deviator to select
which one of the two lines should be fed.
NOTE:
Lithium machine is equipped with only one double
tandem pump unit 3,15 cc/rev each, connected to
the three-phase electric motor, and the hand pump.
All of the pumps units outlines are conveyed through the
hydraulic manifold into two lines A and B. Six one-way
valves avoid oil under pressure to flow back to the tank
through an unused pump unit. The position of the pumps
arrivals to the hydraulic manifold is described here below.
Figure 5-6. Hydraulic Lines System
7
5
1
3
Figure 5-7. Hydraulic System
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