88
English
11.6. Maintenance after every 100 hours of operation
11.6.1. Replacing the blades
The blades of the DZC450 are individually bolted onto the blade disks. Each blade can be repla-
ced individually.
Please note:
Replacing blades must always be done with the engine switched
off. Carefully pull off the cap from the spark plug.
Please note:
Always wear suitable clothing for performing this type of main-
tenance.
• Each blade holder disc has 3 blade positions that are positioned 120° to each other.
• Each of these three blade positions has two fixing holes, which allows the blades to be mounted
in
two positions
:
1. The blade can be mounted on
"scoop"
. The blade tip is mounted in the direction of rotation
of the blade axle.
• A blade mounted on
"scoop"
is necessary to create a groove
and scoop away soil. The groove that is created has depth. Even
in dry and firm soil, the groove remains at depth.
• Blades mounted on
"scoop"
form more residual dirt and create
a top dressing effect.
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