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4.6 TINES
The tines with which the machine is equipped are suitable for
cultivation work in soil of normal consistency. Check the tines each
day to make sure they are not worn or broken. If the tines should
accidentally bend (or break) during work, they must be immedi-
ately replaced by mounting new ones in the identical position.
If several tines must be replaced, it is advisable to demount and
mount one tine at a time to avoid positioning errors.
The tilling blades are propeller shaped for normal and tenacious
soils;
The cutting edge of the tilling blades must always point in the
direction the rotor turns.
Tine replacement is a dangerous operation.
Proceed in the following way to replace the tines:
- Park the tractor on a flat surface with the machine hitched, then
raise the machine with the power lift;
- Insert two strong bearing stands at the sides of the machine;
- Lower the machine on to the stands, turn off the tractor engine
and apply the parking brake.
If the tilling blades are replaced, cleaned or widened, remove
the plug from the hole (1 Fig. 9) by taking out the safety split
pin. Now raise the blade using the relative handle on the casing
and fit the plug and safety split pin into the hole (2 Fig. 9) in the
support.
WARNING
The heads of the bolts that fix the tines must by on the side
of the tines themselves while the nut and relative washer must
be on the flange side.
Comply with the driving torque values given in the table be-
low.
If tines must be replaced, make sure that the new ones are
mounted in the same positions as the old.
DRIVING TORQUE VALUES
Class
M8x1
M10x1,25
M12x1,25
M14x1,5
M16x1,5
M18x1,5
M20x1,5
M22x1,5
M24x2
If the tines/blades clog, it is strictly forbidden to attempt to
clean the machine whilst it is operating. First disengage the
PTO, stop the tractor and engage the parking brake.
Wait until all moving parts have come to a complete stand-
still, then proceed with the cleaning operations with the ut-
most care.
m21-2
DANGER
6.6
8.8
10.9
15
26
36
30
52
74
51
91
127
81
143
201
120
214
301
173
308
433
242
431
606
321
571
803
411
731
1028
DANGER
4.7 TILLING WIDTH ADJUSTMENT
Always take all the possible precautions before adjusting the
machine in any way. Turn off the tractor engine, disengage
the power take-off and apply the parking brake.
Wear work gloves and use suitable tools in a good condition.
The interrow tiller can be supplied with different types of tilling
blade: «ultra-narrow», "narrow", "medium".
Each model can be widened or narrowed to suit the type of crop.
To make this adjustment, move the two ends of the casing (de-
pending on the chosen width) to the pre-engineered position (see
Table Fig. 10), and the locking mechanism of the two halves of
the bands by unscrewing the bolt (A Fig. 11).
Once the casing has been adjusted, it must be removed by taking
out the plastic pins (1 Fig. 12) so that work on the tilling blades
can be carried out more easily.
Now unscrew the bolts (1 Fig. 13) and remove all the tilling blades
(2 Fig. 13) from the flanges (3 Fig. 13). After the tilling blades
have been checked for wear, fit all the bolts back in place de-
pending on the required width, adding blades if necessary (Fig.
13, Table Fig. 10).
Re-assemble the casing by working through the previous instruc-
tions in reverse order, fully tighten the bolts and lock the plugs
with the springs.
4.8 HYDRAULIC FRAME SHIFTING DEVICE
(Fig. 23)
The machine can be supplied with a hydraulic device that shifts
the frame to help the operator make steering manoeuvres, par-
ticularly with the wider interrow tillers, or for movements during
the tilling jobs.
If this accessory is supplied after the interrow tiller has been pur-
chased, it must be fitted by the authorized dealer or by the Manu-
facturer.
- Make sure that the quick connections are clean and in a perfect
condition when fitting the hydraulic pipes to the tractor's valve
system.
Once the machine has been unhitched from the tractor, make
12.9
sure that the quick connections are protected with their plastic
44
caps. Never allow the ends of the hydraulic pipes to drop on to
88
the ground.
153
Before using the machine, always check to make sure that the
241
pipes are in a perfect condition.
361
520
727
964
1234
Never ever exceed a pressure of 150 bar during work.
4.9 FERTILIZER SPREADER
BREVIGLIERI interrow tillers can be equipped with a hopper type
fertilizer spreader of various sizes (1 m with a 110 l. capacity, 1.5
m with a 165 l. capacity, 2 m with a 220 l. capacity), depending on
the type of machine and number of tilling units. This spreader
allows the plants to be treated locally with fertilizer by dosing this
latter as required during the tilling operation.
- 25 -
WARNING
WARNING
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