horsch Pronto 3 - 6 DC Operating Instructions Manual page 51

Scrapers
The scrapers keep coulter discs and press roll-
ers free of dirt.
Check the function, wear and readjustment
¾
(scraper for coulter discs) of the scrapers at
regular intervals.
Coulter disc scraper
The scraper features carbide tips on the edges .
Ensure even, slightly angular contact across the
entire range of the coulter disc:
Coulter disc scraper
Press roller scraper
The scraper can be re-adjusted if worn.
Loosen screw (A) to readjust.
¾
Adjust the scraper via the slot.
¾
A
Press roller scraper
Move the scraper as close as possible to-
¾
wards the press roller (approx. 2 mm dis-
tance). Rotate the press roller and check for
free rotation during this process. The scraper
should not rub against the (clean) press roller
at any point.
Uniformer
The uniformer firms the seed in the seedbed and
presses it gently down.
Under moist conditions and sticky soils the
uniformer may pick up residues. In this case it
should be removed.
To avoid damaging the uniformers do not
¾
reverse with the machine lowered.
Press rollers
The press rollers guide the depth of the seed
placement, cover the seed with fine soil and
press it down on the seed.
The height of the press rollers can be set to two
positions.
Loosen the front screw (B).
¾
Remove the screw from the rear position (C).
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Fasten the press roller again in the front posi-
¾
tion (D).
Tighten both screws with 100 Nm each.
¾
Set the press roller to the upper position for
¾
deep seed placement.
This aligns the coulter horizontally.
C
Adjusting the press roller
NOTE
NOTE
B
D
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