Description Of The Functions Assigned To The Various Control Levers - Zetor 86 41 forterra turbo Operator's Manual

DESCRIPTION OF THE FUNCTIONS ASSIGNED TO THE VARIOUS CONTROL
LEVERS
Lever position Function
Pressure oil to the quick couplers Nos. "2", "4", "6"
1 Rear (upper)
Quick couplers connected to the discharge :"1", "3", "5"
position
Middle position Neutral
2
Pressure oil to the quick couplers Nos. "1", "3", "5"
3 Front (lower)
Quick couplers connected to the discharge "2", "4", "6"
position
Front (outer) With increased effort, it is possible to shift the control levers
4
from the position (3) forwards to the position (4) called floa-
position
ting (free) one, where the levers are arrested. The two quick
couplers of each of the section are connected to the dis-
charge in this position.
Single-acting cylinder shall always be connected to the quick couplers:
"4", "6" at two-section SCV!
"2", "4", "6" at three-section SCV
Double-acting cylinder must be connected to the quick couplers of the same
section (it means :"1 - 2"; :"3 - 4"; "5 - 6")
HYDRAULIC SYSTEM
114
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The first (right) section of SCV is
equipped with hydraulic lock in pressure
positions.
A - At two-section SCV this is a section
of quick-couplers "3" and "4".
B - At three-section SCV this is a sec-
tion of quick-couplers "1" and "2".
The outlet „4"(A) or "2" (B) in addition, is
fitted with a check valve – to be used for
the connection of machine operating
branch with increased sealing parame-
ters - minimum descent of implements in
the course of transportation, for instan-
ce.
Note: The lever automatically returns
from the position (1) and (3) to the neut-
ral one.
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