Stiga 13-7454-11, Workshop Manual

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Implement lift in floating position
F. Implement lift cylinder.
Ls. Controls for implement lift F.
T. Tank.
2. Mechanically affected non-return
valve.
4. Limit valve lowering.
6. By-pass line.
Colour - Pressure
Red displays the supply pres-
sure to the external hydraulics.
Green can be both the pressure
line and the return line, depend-
ing on the implement move-
ment.
Blue displays the atmospheric
pressure in the return lines.
Control Ls locks itself automatically in
floating position.
Oil flows from the control module and
through the by-pass line 6. The oil then
flows back to the tank via the collector
block.
Valve 2 is opened mechanically using a
mechanical connection with the piston in
Ls.
The oil flows freely through the valves 2,
4 and Ls, between both sides of the pis-
ton in lift cylinder F.
Valve 2 is mechanically fully opened by
the slide in Ls and valve 4 is also open
(for desired lowering speed). The limited
opening in valve 4 has no significance for
the oil flow in floating position.
WORKSHOP MANUAL
TITAN
Chapter
4 - Hydraulic system
EDITION
2018
Page
6 4