Hydraulic System VOLTO TIC
5-14 10/04
Function
Working position (DW2) The following graphics shows the VOLTO 1050T in its complete working
position.
• Actuate the double-acting additional control unit (DW2) of the tractor
so that the volume flow flows via port (15).
• Volume flow goes to hydraulic cylinders (3). This raises the side arms
of the longitudinal beams.
• While the hydraulic cylinders (3) extend, the hydraulic cylinders (2)
are lowered. The load acting on hydraulic cylinder (2) directs the
volume flow via the open stroke limiting valve (5) and port (DW1) into
the tank.
• Volume flow goes to the hydraulic cylinders (1) of the outer arms via
the open block-type ball valve (7). The outer arms extend.
• While the hydraulic cylinders (1) extend, the block-type ball valve (5)
is released and therefore closed.
• The block-type ball valves (9) and (19) are now opened using the
rope. This directs volume flow from the hydraulic cylinders (4) into the
tank via the stroke limiting valve (5) and port (DW1). The chassis is
lowered.
The chassis and the hydraulic cylinders (2) of the side arms can be
controlled with the single-acting control unit (port EW) at any time.
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