The machine always needs to be secured with
the parking brake (1), to prevent it from rolling
away in case of a pressure loss in the service
brake.
¾ For this purpose pull the parking brake but-
ton down.
1 2
3
Brake valve
1. Operation of parking brake
2. Operation of service brake
3. Brake pressure regulator
The brake pressure regulator adjusts the brake
pressure required on the axle. The adjustment
lever (3) can be set to eld or road travel.
Before road travel set the adjustment lever to
the Road symbol to generate the required brak-
ing force.
The machine always needs to be secured with
the parking brake (1), to prevent it from rolling
away in case of a pressure loss in the service
brake.
For this purpose pull the parking brake button
down.
The parking brake works with spring brake
cylinders.
With the air reservoirs fully lled the brake can
also be released manually and the seed wagon
can be moved without braking function.
¾ Connect the machine rst or use other means
to secure it against rolling away.
Driving without brake on public roads is pro-
hibited.
Press the service brake button (2) up, this re-
leases the service brake.
Then press the parking brake button (1) up to
release the parking brake.
¾ Before parking the machine pull the parking
brake button down again to apply the park-
ing brake.
¾ Drain the air reservoir every day during op-
eration.
¾ Clean the pipe lter as required, but at least
once every year.
¾ Check the brake lining for wear every year
and renew as required.
For functional safety of the valves, anti-freeze
agent should be mixed to the compressed air
(follow the operating instructions of the tractor
manufacturer).
This agent maintains the elasticity of the seals
and reduces rust deposits in lines and reservoirs.
As a preventive measure against damage
caused by moisture, the pneumatic brake hose
couplings can be covered with plastic lids or a
plastic bag.
In events of emergency the spring brake cylin-
ders can also be released manually.
For this purpose back out the screw under the blue
covering on the housing until the brake is released.
58 59
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