Operation
Lifter
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6.14.9 Setting the stone protection pressure
Stone protection pressure
Choose this function with R-Select.
+ Key = stone protection pressure higher
- Key = stone protection pressure lower
The display on the R-Touch shows the prestress pressure for the stone protection. We
recommend about 30 bar and up to a maximum of 50 bar in very hard ground. This
value should not be exceeded, because otherwise the lifting unit may be damaged.
The stone protection pressure is automatically regulated during lifting in case pressure
is lost without any intervention by the driver.
ADVICE
To completely lower the stone protection pressure, the pressure must be first reduced
to the minimum pressure (approx. 30 bar). If, when reaching the minimum pressure,
the key - is released and then pressed for several seconds, then the stone protection
pressure is completely reduced. The R-Touch displays then the value "0 bar".
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