96
Maintenance
Stone guard and
counter knife
Safety concerning maintenance work on the cutterbar
When working on the cutterbar, the tractor must be stopped and
secured.
This prevents the machine from suddenly starting to rotate.
If the tractor and the PTO shaft have not been connected following the
instructions, serious accidents causing damage to limbs can occur.
When working on the cutterbar:
• The tractor engine must be stopped.
• The ignition key must be removed.
• The PTO shaft must be disconnected.
• The tractor hydraulic system should be disconnected.
• The hand brake should be activated.
Every 40 hours of use
»Maintenance intervals« page 73
The stone guard and counter knife are inspected as follows:
T
IP
!
The machine must be fitted on the tractor.
The front unit is placed in the transport position in the following way:
> Connect the tractor hydraulics.
> Activate the tractor hydraulics and raise the machine fully.
> Close the mechanical safety valve for the machine's hydraulic
cylinder.
> Disconnect the tractor's hydraulics.
> Place the correct support under the machine's cutting unit.
NB
It is important that the machine is correctly secured with a sturdy
support before work is started.
> Carry out a visual inspection of the machine's stone guard and
counter knife for wear.
NB
Stone guards and counter knives with visible holes caused by heavy
wear must be replaced immediately.
»Stone guard and counter knife« page 113
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