Before the Start of the New Season
68
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13.3 Friction Clutch
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Caution! - Manipulation of the friction clutch
Effect: Serious damage to the machine
• Manipulation of the overload protection changes the slip torque. This will lead to a loss of
warranty claims! Original KRONE spare parts only may be used.
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Note
To place the machine in service again, attach it to the tractor and switch on the PTO shaft.
When the overload coupling is vented, the cutting discs should not be turning with it. If the
cutting discs do turn, it is because the overload coupling is jammed or rusted and stiff, in which
case it must be disassembled. (Loosen the friction lining from the plates. If necessary smooth
the friction surfaces with emery paper.) Then attach the PTO shaft again and proceed as
described in section "Walterscheid Overload Coupling“.
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Note - Friction Clutch
Effect: Conserve functionality and increased service life
• The friction clutch (2) must be vented prior to commissioning and once a year prior to
harvesting. (See section Before the Start of the New Season "Friction clutch")
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13.4 Walterscheid Overload Coupling
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Fig.
The friction clutch protects the tractor and the machine against damage. It is designed with a
permanently adjusted turning torque MR. The torque is applied on the housing of the friction
clutch (2).
Venting the friction clutch
Tighten the four nuts (1). Block the machine and move the friction clutch manually to the point
where it slips through. Loosen the nuts again.
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