Instructions for work
Precision Seed Drills
MAXIMA 2 M
93
Suction adjustment
When the machine is equipped with a dust anti-drift
kit, it is possible to adjust a suction flap:
- Loosen nut (1).
- Position stop in the hole:
• Minimum suction when stop is placed in the hole
bottom position (Position (a)).
• Maximum suction when the stop is placed in the
hole top position (Position (b)).
- Tighten nut (1).
Suction must be comprised between 50 and
65 mbar (or cm water column).
- A lower suction value can cause misses
on the seeding line.
- A higher suction value can cause
doubles on the seeding line and
premature disk wear.
The measure must be made with disks fitted,
seeds engaged on the disks.
For precise measure of the suction value, a
vacuometer can be installed on the machine.
Kit no. 1677223.
Check that the flap is free to rotate and that
no element interfers during its movement.
If the flap is not free to move upwards during
seeding, there will be no suction at the
distribution disk level.
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