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8. Stones in the soil
Explanation :
Since it is impossible to remove all obstacles from a stone-rich soil, the blades
will inevitably hit stones. Stones can damage the blades on impact. A low driving speed will
reduce the amount of energy on impact and increase the time the operator has available to
react. From a safety point of view it is therefore recommended to reduce speed in rocky or
stone-rich areas.
• Once the machine is in motion, the route can be run. For all details about riding, rotating,
turning, etc., read § 9.6.1 (Riding the machine).
• Avoid sudden turning movements with the machine at work depth: the blades could cut away
entire pieces of the lawn. Such damage would require a long period of recuperation.
• Leaving the seed reservoir uncovered during overseeding allows the operator to monitor the
remaining seed volume.
• The debris deposited in a neat strip on the right hand side of the machine also forms a guide
for the next lane and will prevent overlapping sowing zones.
• At an average flow rate of 200 g per 100 m2, a full reservoir contains enough seed for
approximately 800 metres.
• The depth setting must be tested at intervals by measuring the groove depth with a measuring
stick.
• Debris appearing from under the rollers is an indication that the discharge jack is losing debris.
This can relate to excessive moss amounts or to blockage of the discharge channel. Reduce
speed. If the machine continues to lose debris nonetheless, stop the engine and check the
discharge jack.
• If despite all preparations, the blades should hit an obstacle in the soil, you must stop the
machine and examine the blades (read § 11.7.4 Examining the blades).
For your information:
Should a situation occur where you seem to be losing control of the machine
while the blades are engaged, immediately release the All-in-one
TM
control lever.
9.6.5 Dethatching
The overseeding machine can also act as a dethatcher. The following items must be taken into
consideration:
• The preparations with respect to the machine and work area listed for the overseeding
procedure also apply to dethatching.
• It is recommended to cut the grass very short before dethatching.
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