Outer Circuit Control Lever - Hydraulic With Mechanical Control System; Rear Outlets Of Hydraulic Outer Circuit - Zetor 86 41 forterra turbo Operator's Manual

OUTER CIRCUIT CONTROL LEVER - HYDRAULIC WITH MECHANICAL CON-
TROL SYSTEM
Control lever has three positions marked on label.
Pressure is in quick-coupler No "1", quick-coupler No "2" is connected with
a -
return line. Lever is moved into its rear margin position. The lever must be
kept in this position otherwise it is automatically turned into neutral position
"b".
b - Neutral position (locked). Outlets of quick-couplers No "1" and "2" are closed
and the oil is blocked in attached hydraulic implement. The lever is automati-
cally kept by spring in this position.
c - Floating (free) position. Both outlets of quick-couplers No "1" and "2" are con-
nected with return line and the oil can freely flow in both directions. Lever is
locked by valve ball lock in this position.
d - Pressure in quick-coupler No "2", quick-coupler No "1" is connected with re-
turn line. Lever is moved into its forward margin position. lever must be kept
in this position otherwise it is automatically turned into floating position "c".
HYDRAULIC SYSTEM
111
F_02_H10
REAR OUTLETS OF HYDRAULIC
OUTER CIRCUIT
In basic version the outlets of hydraulic
outer circuit are equipped with three
quick-couplers. Quick-couplers No "1"
and No "2" are pressurized. Pressure is
in particular quick-coupler depending
upon position of outer circuit control
lever. The third quick-coupler No "0" is
connected directly with differential case
space and is intended for turning the oil
from hydraulic implements (for example
from rotary hydro-motors etc.).
Location of quick-couplers corresponds
with tractor hydraulic equipment without
SCV.
F_02_H14