Adjustments
56
9.7 Automatic overload protection
9.7.1 Tine
The tines (1) on the Karat 9 U feature an
automatic overload safety device with
compression springs (2) which are highly
pretensioned.
The overload protection is preset to a re-
lease force of approx. 5500 N (550 kp) at
the share point. This setting may not be
altered.
When an obstruction is encountered in the
soil, the tine tilts backwards and upwards
and is then returned to the working position
automatically when the obstruction has
been passed.
DANGER
Risk of accidents due to moving tines
When an obstruction is encountered, the tine tilts very quickly up-
wards by spring force. This can cause injury to persons in the a-
rea of the tines.
Never climb onto the implement when working.
9.7.2 Hollow discs
The hollow discs (3) with overload protec-
tion are fitted with a compression spring (4)
that is under high pretension. When an ob-
struction is encountered in the soil, the hol-
low disc tilts backwards and upwards and
is then returned to the working position
automatically after passing over the ob-
struction.
3
4
2
1
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