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3.4 BLOWER DRIVE
3.4.1 POWER TAKE-OFF RPM
The blower pump is enabled by the tractor power take-off. It is
important that the rpm indicated are respected. If the minimum
rpm is not reached the machine could lose distribution precision
and where there are large quantities of seeds, the granulate
pipes could get clogged.
ATTENTION
Driving a vehicle with a 540 rpm propulsion, with a power take-
off of 1000 rpm and an engine rpm correspondingly low is not
permitted. Danger of blower pump breakage. During
distribution do not let the power take-off rpm drop too low.
Modern tractors are equipped with two power take off supplementary
working devices, identified by the codes 540E and 1000E. Tractor
manufacturers sum up the advantages that these devices provide,
which are also identified by the text "ECO", as follows:
- Lower fuel consumption
- Generated power equal to 85% of maximum power (adequate
for a planting unit)
- Max. coupling effect when working (permitting unevenness in
the soil to be got round)
- Lower tractor engine running for the same number of power
take off revs (less engine fatigue and less noise).
MASCHIO GASPARDO S.p.A. strongly recommends that those
using the planting unit should respect these indications:
Drive «pto»
Seeder machine (rpm)
540
1000
The tensioning and good condition of the belt are therefore of
vital importance to ensure the good for the good operation of the
aspirator and, hence, the success of the sowing.
58
USE AND MAINTENANCE
Drive «pto» advised tractor
(rpm)
540E
1000E
g
Belt checking and registering procedure
Remove the protective housing. Press on the middle part of the
belt be- tween the two pulleys with a 5 Kg force. Each belt should
give max. 1 cm (Fig. 46).
... if necessary:
- Loosen the screws (A, Fig. 46);
- Loosen the nut (B, Fig. 46);
- If worn, replace the belt;
Use only original spares!
- With the screw (C, Fig. 46) to regulate the tension of the belt
and to block with the nut (B);
- Tighten the bolts (A) loosened before and close the casing.
Replace the belts if they present signs of wear or aging.
Replace the transmission belts every 400 hectares tilled!
A
5
Kg
fig. 46
B
C
cod. G19503360
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