THE
HYDRAULIC SYSTEM
SECTION B
DRAFT
CONTROL (Figure B1)
Draft control is selected by
moving the position/draft
selector lever
(1 )
down-
wards.
Having set the hydraulic
main control
lever
(2),
together with the
adjustable quadrant stop
(3),
to the
desired position, the system will
auto-
matically
maintain the implement at a
depth relative to the ground
contour
irrespective of tractor
movement. Use the
adjustable stop to return the hydraulic
main control
lever
to the
same position.
IMPLEMENT
POSITION CONTROL
(Figure B1
)
This control enables an
implement-to-tractor
height
or
depth to be selected
and
maintained without any
further adjustment.
To operate the
control
:
1
.
Set
the Position/Draft selector
lovor
(1)
in the
uppermost position.
2. Set the
implement to the required working
height or depth by using the
hydraulic main
control lever
(2).
3. Use the
adjustable slop
(3)
to
maintain this position.
FLOW
CONTROL VALVE (Figure B1)
The flow
control valve regulates the
lifting speed of the 3-point linkage or
remote
control cylinders. A fast flow, marked
as 'F' on the control knob
(4),
provides quicker
corrections and transfers
maximum weight to the tractor
for increased wheel
adhesion.
Slow
settings, achieved by turning the
Knob towards 'S',
reduce the
speed
of
corrections and
under certain
conditions improves the rale and quality of
work,
particularly in hard soils.
When operating in a slow
setting an internal linkage
temporarily over-rides
the slow
setting when the implement is
raised.
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