horsch Pronto 3 - 6 DC Operating Instructions Manual page 85

Pre-emergence markers
The pre-emergence markers are mounted di-
rectly to the frame of the heavy duty harrow.
If the tram line is enabled, the pre-emergence
markers are hydraulically pressed into the soil.
Pre-emergence markers for heavy duty harrow
Maintenance
Check the harrow tines for wear and replace
¾
if required.
Check the pre-emergence markers for their
¾
condition, tight fit, function and smooth run-
ning.
Check the discs for wear and replace if re-
¾
quired.
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