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USE AND MAINTENANCE
35
ENGLISH
cod. 19501980
g
SEEDER TRANSMISSION CASE
Each case is equipped with a safety pin which breaks (1 Fig. 27)
when the rotating of the seeder plate is forced or jams as a
result of foreign bodies entering the distributor (paper, string
etc.) Should this occur, pour the seeds out of the container,
check and clean the distributor, check the plate pegs and replace
the safety pin.
IMPORTANT! Do not use metal pins.
WARNING
! Do not over-tighten the screws holding the case (2
Fig. 27). It should be able to oscillate.
3.0.11. ROW MARKER
The row marker is a machine that traces a reference line parallel
to the tracks of the tractor on the ground.
When the tractor finishes a row and makes a U-turn, the front
wheel will align one of the front wheels with this reference line
(Fig. 28). Each time it passes, the seeder will mark a reference
line on the side opposite to the previous passage. Row-marker
arm inversion is activated by the tractor's hydraulic distributor
control.
In order to operate correctly, the flexible hose which links up
tractor and system, must be connected to a single acting
hydraulic distributor. When the system is not in use, protect the
quick coupling with its cap.
Safety measures concerning the hydraulics:
1) When the hydraulic pipes are connected to the hydraulic
system of the tractor, make sure that the hydraulic
systems of the operating machine and the tractor are
not under pressure.
2) For hydraulic-type functional connections between the
tractor and operating machine, sockets and plugs must
be marked with colours, in order to prevent errors. It
could be dangerous if they were accidently confused.
3) The hydraulic system is under high pressure; due to
the risk of accident suitable auxiliary instruments
should be used when investigating possible leakage
points.
WARNING
Never exceed the maximum admissible pressure for the
hydraulic system.
Adjusting the system.
The row-marker hydraulic system is equipped with a flow divider
(2 Fig. 29) to enable the rowarker arms to function alternately.
The speed at which the row-marker arms rise again can be
adjusted by two flow regulators (3 Fig. 29).
fig. 29
1
2
3
fig. 27
1
2
Corretto/Correct/Korrektor
D
C
fig. 28
2
fig. 26
1
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